| Class Number |
Class Name |
No. of Patents |
| 409/243 |
Broaching |
5 |
| 409/280 |
Cutter infeed means |
4 |
| 409/281 |
Imparting rectilinear motion to cutter |
6 |
| 409/282 |
And rotary motion to cutter |
6 |
| 409/283 |
Fluid powered means |
7 |
| 409/284 |
Rack means |
1 |
| 409/285 |
Screw means |
7 |
| 409/287 |
Cutter support or guide |
30 |
| 409/286 |
Machine frame |
7 |
| 409/259 |
Means for cutting groove |
24 |
| 409/260 |
Arcuate groove in cylindrical surface |
6 |
| 409/261 |
Rifling |
1 |
| 409/258 |
Means to remove flash or burr |
5 |
| 409/262 |
Orbital carrier for cutter |
11 |
| 409/263 |
Orbital carrier for work |
7 |
| 409/244 |
Process |
52 |
| 409/245 |
With control means energized in response to activator stimulated by condition sensor |
4 |
| 409/246 |
Responsive to condition of work or product |
1 |
| 409/269 |
With means to advance, infeed, or manipulate work |
11 |
| 409/270 |
Interrelated with cutter infeed |
4 |
| 409/271 |
Including means supporting work and additional means opposing infeed force |
4 |
| 409/272 |
Including work indexing means for sequential cutting of different surfaces of a single workpiece |
6 |
| 409/273 |
Including work indexing means for sequential cutting of surfaces of different workpieces |
5 |
| 409/274 |
With means to retract work from path of tool's idle return stroke |
5 |
| 409/275 |
To infeed work past cutter |
8 |
| 409/249 |
With means to clean, lubricate, or modify temperature of work or cutter |
7 |
| 409/264 |
With means to cyclically manipulate cutter or cutter support |
3 |
| 409/266 |
Cutter released to interim support at termination of cutting stroke |
4 |
| 409/267 |
To remove and return cutter to cutter support |
2 |
| 409/265 |
To reorient, introduce, or remove cutter |
5 |
| 409/247 |
With means to distribute cutter infeed force |
3 |
| 409/276 |
With means to hold work during cutting |
5 |
| 409/277 |
Including work clamping means |
16 |
| 409/279 |
With means on work or work holder to guide cutter during infeed |
6 |
| 409/278 |
With means to adjust or facilitate adjustment of work or work holder |
4 |
| 409/254 |
With means to protect operative or machine (e.g., guard, safety device, etc.) |
1 |
| 409/255 |
With safety means for overload or safety interlock |
3 |
| 409/248 |
With means to select cutter or to select or modify cutter drive |
2 |
| 409/268 |
With plural cutters |
18 |
| 409/250 |
With product handling means |
1 |
| 409/251 |
Between plural broaching stations |
8 |
| 409/253 |
Chip removal means |
5 |
| 409/252 |
Means to eject broached product |
6 |
| 409/256 |
With work immobilizer and means to activate work immobilizer interrelated with cutter infeed, work infeed, or work advance |
4 |
| 409/257 |
With work infeed or advancing means and means to clamp the work thereto, which clamping means is interrelated with work or cutter infeed |
6 |
| 409/1 |
Gear cutting |
11 |
| 409/4 |
And burnishing simultaneously |
1 |
| 409/8 |
Gear chamfering or deburring |
25 |
| 409/9 |
Using relatively reciprocating or oscillating cutter |
12 |
| 409/49 |
Gear shaving |
27 |
| 409/10 |
Gear tooth shape generating |
15 |
| 409/31 |
By relative axial movement between synchronously indexing or rotating work and cutter |
15 |
| 409/32 |
Crowning |
12 |
| 409/33 |
Displacing cutter axially relative to work (e.g., gear shaving, etc.) |
12 |
| 409/34 |
Using gear shaper-cutter |
13 |
| 409/36 |
Cutting rotating work, the axis of which lies in a plane intersecting the cutter axis |
6 |
| 409/35 |
Plural distinct cutting edges |
5 |
| 409/37 |
Gear shaving |
28 |
| 409/11 |
Hobbing |
41 |
| 409/17 |
Including infeed means |
3 |
| 409/18 |
To infeed along axis of work rotation |
6 |
| 409/19 |
Infeed of cutter |
3 |
| 409/20 |
And infeed radially of axis of work rotation |
4 |
| 409/21 |
Vertically |
1 |
| 409/22 |
To infeed radially of axis of work rotation |
3 |
| 409/23 |
Infeed of cutter |
4 |
| 409/24 |
And infeed tangentially of work axis |
4 |
| 409/14 |
Including means to shift hob between cutting passes |
5 |
| 409/16 |
Plural hobs |
2 |
| 409/12 |
Process |
57 |
| 409/13 |
Generating tooth for bevel gear |
8 |
| 409/15 |
With control means energized in response to activator stimulated by condition sensor |
19 |
| 409/48 |
Making a noncircular gear, worm, rotor, or a planar-faced gear |
17 |
| 409/25 |
Milling with radial faced tool |
12 |
| 409/27 |
Adapted to cut bevel gear |
22 |
| 409/29 |
Bevel gear having nonparallel opposing tooth flanks |
10 |
| 409/30 |
Including rotary cutter cradle |
9 |
| 409/28 |
With means to continuously rotate work and means to co-form all teeth of gear |
9 |
| 409/26 |
Process |
57 |
| 409/42 |
Using reciprocating or oscillating cutter |
5 |
| 409/43 |
Bevel gear cutting |
4 |
| 409/45 |
Double acting cutter |
1 |
| 409/44 |
Dual cutters |
1 |
| 409/46 |
Rectilinearly reciprocating cutter |
3 |
| 409/47 |
Cutter comprising a rack |
5 |
| 409/38 |
Using rotary cutter |
20 |
| 409/39 |
Having axially directed cutting edge |
3 |
| 409/41 |
On reciprocating carriage |
8 |
| 409/40 |
Plural rotary cutters |
11 |
| 409/58 |
Using reciprocating or oscillating cutter |
10 |
| 409/59 |
Broach |
18 |
| 409/60 |
Including circumferentially disposed cutting edges |
15 |
| 409/50 |
Using rotary cutter |
11 |
| 409/56 |
Cutting action along work axis |
2 |
| 409/57 |
Cutting action intersecting work axis |
7 |
| 409/52 |
End mill |
4 |
| 409/53 |
Radially faced |
3 |
| 409/54 |
Using plural, selectively usable tools |
0 |
| 409/55 |
Plural rotary cutters |
12 |
| 409/51 |
Process |
63 |
| 409/5 |
With compensation for backlash in drive means |
7 |
| 409/2 |
With regulation of operation by use of templet, card, or other replaceable information supply |
18 |
| 409/3 |
Including follower for templet |
8 |
| 409/62 |
With work clamping |
12 |
| 409/6 |
With work or product advancing |
6 |
| 409/7 |
Utilizing transfer arm |
13 |
| 409/61 |
Work dividing or checking of work position or division |
14 |
| 409/900.1 |
Machine button or locator |
2 |
| 409/900.2 |
Machine tool carriage clamp |
14 |
| 409/64 |
Milling |
11 |
| 409/231 |
Cutter spindle or spindle support |
251 |
| 409/232 |
With cutter holder |
243 |
| 409/233 |
And draw bar |
304 |
| 409/230 |
Detachable or repositionable tool head |
107 |
| 409/228 |
Including cutter limited to rotary motion |
21 |
| 409/229 |
Cutter turning about vertical axis |
37 |
| 409/204 |
Including means to adustably position cutter |
48 |
| 409/216 |
Compound angular adjustment |
92 |
| 409/206 |
Linear adjustment |
31 |
| 409/211 |
And angular adjustment |
116 |
| 409/212 |
Including gantry-type cutter-carrier |
77 |
| 409/213 |
Plural cutters |
38 |
| 409/207 |
With control for adjustment means responsive to activator stimulated by condition sensor |
10 |
| 409/209 |
And means to clamp cutter support in adjusted position |
11 |
| 409/208 |
Responsive to position of cutter |
16 |
| 409/210 |
With position indicator or limit means |
53 |
| 409/217 |
Plural cutters |
27 |
| 409/214 |
With position indicator or limit means |
36 |
| 409/215 |
With right angle cutter drive |
41 |
| 409/205 |
With work holder or guide |
19 |
| 409/183 |
Including means to infeed rotary cutter toward work |
31 |
| 409/201 |
Angularly adjustable cutter head |
177 |
| 409/185 |
Axially |
51 |
| 409/190 |
And laterally |
47 |
| 409/191 |
Simultaneously |
76 |
| 409/192 |
Plural cutters |
40 |
| 409/186 |
With infeed control means energized in response to activator stimulated by condition sensor |
35 |
| 409/187 |
In response to cutter condition |
20 |
| 409/188 |
In response to work condition |
17 |
| 409/189 |
With work holder |
35 |
| 409/202 |
Including gantry-type cutter-carrier |
91 |
| 409/199 |
Machining arcuate surface |
131 |
| 409/200 |
With means to move cutter eccentrically |
84 |
| 409/203 |
Plural cutters |
63 |
| 409/193 |
With infeed control means energized in response to activator stimulated by condition sensor |
42 |
| 409/194 |
In response to cutter condition |
32 |
| 409/195 |
In response to work condition |
18 |
| 409/196 |
With means to change rate of infeed |
7 |
| 409/184 |
With means to limit penetration into work |
34 |
| 409/197 |
With work holder |
49 |
| 409/198 |
Indexable |
36 |
| 409/145 |
Including means to infeed work to cutter |
34 |
| 409/170 |
Including fluid drive |
4 |
| 409/169 |
Including friction gearing drive |
2 |
| 409/157 |
Means to mill indeterminate length work |
24 |
| 409/158 |
Multiple work stations |
34 |
| 409/162 |
To reciprocate or oscillate work |
16 |
| 409/146 |
With compensation for backlash in drive means |
12 |
| 409/147 |
With control means energized in response to activator stimulated by condition sensor |
10 |
| 409/148 |
In response to cutter or cutter carriage |
8 |
| 409/149 |
In response to work or work carriage |
8 |
| 409/151 |
To control limit of infeed |
2 |
| 409/153 |
Adapted to electrically stimulate control |
3 |
| 409/152 |
Adapted to hydraulically or pneumatically stimulate control |
0 |
| 409/150 |
To control rate of infeed or return |
1 |
| 409/154 |
To control rate of infeed or return |
2 |
| 409/155 |
To effect stopping of infeed |
5 |
| 409/159 |
With means to advance work or product |
34 |
| 409/161 |
Endless or orbital work or product advancing means |
21 |
| 409/160 |
Vertically |
5 |
| 409/156 |
With means to change rate of infeed |
4 |
| 409/163 |
With work holder |
37 |
| 409/164 |
And means to selectively position work |
37 |
| 409/165 |
Including means to support work for rotation during operation |
124 |
| 409/166 |
And including means to infeed cutter toward work axis |
49 |
| 409/168 |
With angular movement of work |
35 |
| 409/167 |
With linear movement of work |
36 |
| 409/235 |
Machine frame |
237 |
| 409/240 |
Convertible from lathe |
15 |
| 409/237 |
Including counterbalancing means |
30 |
| 409/238 |
Including means to compensate for deformation |
26 |
| 409/239 |
Deflection of cutter spindle |
17 |
| 409/241 |
Including relatively movable components and means to relatively immobilize these components |
32 |
| 409/236 |
Overarm harness structure |
13 |
| 409/143 |
Means for internal milling |
121 |
| 409/142 |
Means to mill epitrochoidal shape |
7 |
| 409/139 |
Means to remove scale or raised surface imperfection |
40 |
| 409/140 |
Means to remove flash or burr |
85 |
| 409/138 |
Means to trim edge |
143 |
| 409/131 |
Process |
282 |
| 409/132 |
Including infeeding |
412 |
| 409/175 |
Randomly manipulated, work supported, or work following device |
68 |
| 409/177 |
For cutting longitudinal groove in shaft (e.g., keyway, etc.) |
9 |
| 409/176 |
For machining commutator |
3 |
| 409/181 |
Randomly manipulated |
49 |
| 409/182 |
End mill (e.g., router, etc.) |
337 |
| 409/180 |
With work follower |
78 |
| 409/178 |
With work supported guide means |
148 |
| 409/179 |
To guide tool to move in arcuate path |
74 |
| 409/242 |
Tailstock |
3 |
| 409/125 |
Templet, tracer, or cutter |
30 |
| 409/130 |
Templet |
103 |
| 409/126 |
Tracer |
16 |
| 409/127 |
Adapted to trigger electrical energy |
17 |
| 409/128 |
Photocell |
8 |
| 409/129 |
Adapted to trigger fluid energy |
3 |
| 409/65 |
Thread or helix generating |
18 |
| 409/73 |
Plural cutters or work holders |
9 |
| 409/66 |
Process |
53 |
| 409/72 |
With means to advance work or product |
2 |
| 409/78 |
With means to circumferentially adjust the position of the cutter with respect to the work |
3 |
| 409/67 |
With means to regulate operation by use of templet, card, or other replaceable information supply |
3 |
| 409/68 |
Complete cycle |
0 |
| 409/69 |
To regulate cutting depth (e.g., relief, taper, etc.) |
7 |
| 409/70 |
To regulate rate of motion (e.g., stopping, etc.) |
6 |
| 409/76 |
With means to rotate work and means to interrelatedly infeed the work relative to the cutter |
22 |
| 409/77 |
Means to infeed the cutter |
7 |
| 409/71 |
With nonthread or nonhelix generating, milling cutter |
7 |
| 409/74 |
With planetary cutter |
44 |
| 409/75 |
Work means to move work axially and means to interrelate work movement with cutter rotation |
4 |
| 409/234 |
With cutter holder |
437 |
| 409/144 |
With detachable or auxiliary cutter support to convert cutting action |
67 |
| 409/218 |
With limit means to aid in positioning of cutter bit or work (e.g., gauge, stop, etc.) |
168 |
| 409/172 |
With means to advance work or product |
19 |
| 409/173 |
Endless or orbital work or product advancing means |
21 |
| 409/135 |
With means to control temperature or lubricate |
105 |
| 409/136 |
Cutter or work |
244 |
| 409/141 |
With means to dampen vibration |
106 |
| 409/171 |
With means to effect stopping upon completion of operation |
1 |
| 409/174 |
With means to precisely reposition work |
22 |
| 409/134 |
With means to protect operative or machine (e.g., guard, safety device, etc.) |
262 |
| 409/137 |
With means to remove chip |
334 |
| 409/133 |
With means to weigh or test work or product |
39 |
| 409/79 |
With regulation of operation by templet, card, or other replaceable information supply |
22 |
| 409/123 |
And provision for circumferential relative movement of cutter and work |
7 |
| 409/124 |
Including cutter and tracer fixed to move together |
32 |
| 409/117 |
Including means for operation without manual intervention |
4 |
| 409/121 |
Including cutter and tracer fixed to move together |
18 |
| 409/118 |
Including simultaneously usable plural tracers or including tracer adapted to simultaneously use plural templets |
7 |
| 409/119 |
To make a double curvature foil |
2 |
| 409/120 |
To make a double curvature foil |
12 |
| 409/122 |
With provision for circumferential relative movement of cutter and work |
15 |
| 409/84 |
Process |
96 |
| 409/85 |
Reproducing means |
9 |
| 409/92 |
By use of pivotally supported tracer |
15 |
| 409/93 |
Duplicating means |
17 |
| 409/109 |
Including cross-slide tool carrier |
14 |
| 409/108 |
Including plural cutters |
15 |
| 409/94 |
With means for operation without manual intervention |
5 |
| 409/104 |
And provision for circumferential relative movement of cutter and work |
30 |
| 409/105 |
Including plural cutters |
4 |
| 409/107 |
Including cross-slide tool carrier |
10 |
| 409/96 |
Including means to sense optical or magnetic image |
15 |
| 409/106 |
Including plural cutters |
7 |
| 409/98 |
Including tracer adapted to trigger electrical energy |
7 |
| 409/99 |
To actuate electrically driven work or tool moving means |
22 |
| 409/100 |
To actuate fluid driven work or tool moving means |
3 |
| 409/101 |
Including tracer adapted to trigger fluid energy |
2 |
| 409/102 |
To actuate fluid driven work or tool moving means |
0 |
| 409/103 |
Including cutter and tracer fixed to move laterally together |
6 |
| 409/95 |
To make a double curvature foil |
4 |
| 409/97 |
With means to support templet above or under work |
24 |
| 409/110 |
With means to support templet above or under work |
33 |
| 409/111 |
With provision for circumferential relative movement of cutter and work |
16 |
| 409/115 |
For using planar templet in cutting profile (e.g., contour map from planar map, etc.) |
2 |
| 409/116 |
Including means for operation without manual intervention |
1 |
| 409/86 |
Including pantograph cutter-carrier |
17 |
| 409/90 |
And means to counterbalance carrier |
10 |
| 409/87 |
And means to move work at work station |
4 |
| 409/88 |
About work axis |
6 |
| 409/91 |
Including plural cutters |
5 |
| 409/89 |
Pivotally supported for vertical movement |
12 |
| 409/112 |
With provision for circumferential relative movement of cutter and work |
7 |
| 409/113 |
And means for operation without manual intervention |
3 |
| 409/114 |
Including tracer adapted to trigger electrical or fluid energy |
4 |
| 409/81 |
To cut lock key |
67 |
| 409/83 |
Complete cycle |
27 |
| 409/82 |
Using templet other than a key |
32 |
| 409/80 |
With sensing of numerical information and regulation without mechanical connection between sensing means and regulated means (i.e., numerical control) |
143 |
| 409/219 |
Work support |
121 |
| 409/221 |
Indexable |
87 |
| 409/222 |
Including dividing head |
9 |
| 409/223 |
Multiple row dividing head |
4 |
| 409/224 |
With angular adjustment |
55 |
| 409/227 |
With means to adjust work support vertically |
22 |
| 409/220 |
With position indicator or stop |
30 |
| 409/225 |
With work holder or guide |
104 |
| 409/226 |
Including cutter limited to rotary motion |
33 |
| 409/288 |
Planing |
7 |
| 409/337 |
Machine frame |
4 |
| 409/343 |
Including relatively movable components and means to relatively immobilize these components |
2 |
| 409/338 |
Means to permit repositioning of cutter |
2 |
| 409/339 |
Laterally |
4 |
| 409/341 |
Including clutch |
0 |
| 409/342 |
Including repositioning means and means to effect stopping thereof |
0 |
| 409/340 |
Plural independently positioned cutters |
1 |
| 409/344 |
Work table |
3 |
| 409/313 |
Means for cutting arcuate surface |
9 |
| 409/314 |
Cycloidal surface |
3 |
| 409/315 |
With work infeed and means to arcuately reposition the cutter |
2 |
| 409/316 |
With work infeed and means to arcuately reposition the work |
1 |
| 409/304 |
Means for cutting groove |
31 |
| 409/305 |
Arcuate groove |
4 |
| 409/306 |
For rifling |
2 |
| 409/307 |
Inside hollow work |
22 |
| 409/308 |
Means for shaving by blade spanning work surface |
14 |
| 409/310 |
Circumferential surface |
9 |
| 409/309 |
Concave work surface (e.g., bearing, stereotype printing plate, etc,) |
3 |
| 409/311 |
Including rack driven infeed means |
0 |
| 409/312 |
Including roller infeed means |
0 |
| 409/303 |
Means for trimming edge (e.g., chamfering, scarfing, etc.) |
23 |
| 409/297 |
Means to remove flash or burr |
10 |
| 409/298 |
Elongated work |
30 |
| 409/299 |
Flash or burr inside hollow work |
21 |
| 409/300 |
Transverse burr |
26 |
| 409/301 |
Flat work |
15 |
| 409/302 |
Of commutator |
2 |
| 409/293 |
Process |
60 |
| 409/296 |
Randomly manipulated, work supported, or work following device |
23 |
| 409/345 |
Tool head |
13 |
| 409/347 |
With means to permit repositioning of cutting for idle return stroke |
2 |
| 409/348 |
Comprising pivotable cutter or cutter support |
10 |
| 409/346 |
With selectively usable cutting edges |
4 |
| 409/294 |
With means to lubricate |
1 |
| 409/317 |
With means to relatively infeed cutter and work |
6 |
| 409/318 |
And means to rotate work and cutter at same rate about converging axes |
1 |
| 409/320 |
And means to vary rate of infeed |
0 |
| 409/336 |
Including means causing return stroke |
2 |
| 409/326 |
Reciprocating cutter infeed means |
8 |
| 409/327 |
Reciprocating cutter horizontally |
4 |
| 409/329 |
With fluid-powered means to drive cutter |
4 |
| 409/330 |
With pivoting link to drive cutter |
0 |
| 409/331 |
Link driven by crank |
2 |
| 409/332 |
With rack to drive cutter |
0 |
| 409/333 |
With screw to drive cutter |
1 |
| 409/328 |
With work support and lead screw to reposition work support |
1 |
| 409/334 |
With link or cam to drive cutter |
7 |
| 409/335 |
With rack to drive cutter |
1 |
| 409/321 |
Reciprocating work infeed means |
3 |
| 409/325 |
And means to permit repositioning of cutter laterally |
0 |
| 409/322 |
With fluid-driven bed |
0 |
| 409/323 |
With rack-driven bed |
1 |
| 409/324 |
With screw-driven bed |
1 |
| 409/319 |
With plural sequentially acting cutters or with double acting cutter |
7 |
| 409/295 |
With product handling means |
7 |
| 409/289 |
With regulation of operation by templet, card, or other replaceable information supply |
11 |
| 409/292 |
Including provision for circumferential relative movement of cutter and work |
8 |
| 409/290 |
Including use of tracer adapted to trigger electrical or fluid energy |
1 |
| 409/291 |
Including provision for circumferential relative movement of cutter and work |
4 |
| 409/901 |
Stereotype printing plate |
0 |
| 409/902 |
Tire mold |
3 |
| 409/63 |
With furbishing of cutter |
8 |
| 409/904 |
With hydrostatic bearing |
8 |
| 409/903 |
Work holder |
32 |