| Class Number |
Class Name |
No. of Patents |
| 266/165 |
Ambulant vessel |
49 |
| 266/904 |
Blowpipe cutting heads |
7 |
| 266/902 |
Blowpipes specialized to transversely cut or notch blooms, billets or bars |
6 |
| 266/160 |
Combined or convertible |
87 |
| 266/142 |
Geographic or structural installation |
74 |
| 266/143 |
Having refining vessel with travelling support |
34 |
| 266/114 |
Having means for contacting a solid metalliferous material or metal object with a liquid |
89 |
| 266/120 |
By immersing an article to be treated in bath of molten material, e.g., salt bath |
36 |
| 266/134 |
By means contacting only selected areas of treated article with liquid |
28 |
| 266/121 |
With heating means, e.g., flame contact |
12 |
| 266/128 |
By electric heating means |
9 |
| 266/129 |
Inductance type |
127 |
| 266/123 |
By heating means adapted to be inserted into a hollow object |
10 |
| 266/124 |
By means heating selected areas of an object |
5 |
| 266/125 |
By means specialized to heat an article having an irregular contour (e.g., cams, gears) |
24 |
| 266/126 |
By heating means configured to fit between adjacent gear teeth |
7 |
| 266/122 |
By means treating metalliferous materials, e.g., ores |
7 |
| 266/130 |
Having bath for contacting the work with liquid |
26 |
| 266/133 |
Having means to move work through bath |
30 |
| 266/132 |
Having work introducing elevator |
14 |
| 266/131 |
With means to agitate or control temperature of bath |
23 |
| 266/127 |
Unitized heating and fluid contact means |
23 |
| 266/115 |
With means changing the shape of a treated object, e.g., roller means |
27 |
| 266/116 |
Spring shaping means |
5 |
| 266/117 |
With means to prevent warping of treated object |
35 |
| 266/118 |
Of a gear wheel |
8 |
| 266/119 |
With heating of object |
8 |
| 266/101 |
Having means for leaching and subsequently precipitating a metal |
73 |
| 266/280 |
Linings |
183 |
| 266/283 |
Having particular lining element shape |
67 |
| 266/284 |
Having specific grain size |
14 |
| 266/281 |
With making or repairing means |
167 |
| 266/285 |
With means allowing for expansion |
35 |
| 266/282 |
With metallic means to prevent lining abrasion |
19 |
| 266/286 |
With specific lining enclosing structure |
109 |
| 266/48 |
Means for cutting solid metal with heat, e.g., blowpipes |
194 |
| 266/70 |
Circle cutter |
39 |
| 266/66 |
Hand held, work riding torch |
26 |
| 266/74 |
Having adjuvant material feed |
22 |
| 266/75 |
Solid material |
17 |
| 266/71 |
Having torch solely supported by workpiece |
12 |
| 266/76 |
Having torch spacing means |
36 |
| 266/50 |
Means for cutting continuously cast workpieces |
53 |
| 266/51 |
Means for removing surface material, e.g., scarfing |
70 |
| 266/52 |
Having means to simultaneously scarf multiple sides of a workpiece |
3 |
| 266/53 |
Having workpiece-contacting cutting means spacer |
5 |
| 266/72 |
With cantilevered arm torch support |
17 |
| 266/73 |
Having carriage-supported cantilevered arm |
22 |
| 266/54 |
With means for cutting tubular workpiece |
28 |
| 266/56 |
Having means to circumrotate torch about workpiece |
30 |
| 266/55 |
Having torch mount secured within workpiece |
16 |
| 266/57 |
With means to rotate workpiece |
30 |
| 266/58 |
With pattern control means |
39 |
| 266/62 |
Having articulated arm supporting torch |
11 |
| 266/63 |
With pantograph arm means |
4 |
| 266/64 |
Having spaced, superposed templet |
13 |
| 266/60 |
With automatic line-follower means |
19 |
| 266/61 |
With means to rotate workpiece |
15 |
| 266/59 |
With tape-control means |
6 |
| 266/77 |
With torch mounting means |
74 |
| 266/49 |
With waste entrapping fluid |
51 |
| 266/67 |
With wheeled carriage torch mount |
43 |
| 266/68 |
Having work contacting torch spacing means |
17 |
| 266/69 |
With work-spanning torch mount |
34 |
| 266/65 |
With work supporting grate means |
28 |
| 266/161 |
Means for extracting and refining metal |
16 |
| 266/162 |
With separate refining zone |
21 |
| 266/164 |
With heated vertical extracting means |
7 |
| 266/163 |
With rotating heating vessel |
8 |
| 266/274 |
Means for holding or supporting work |
78 |
| 266/279 |
Grate |
7 |
| 266/275 |
Receptacle |
269 |
| 266/278 |
Having corrugated wall |
1 |
| 266/276 |
With means movably supporting receptacle |
53 |
| 266/277 |
By bed of rollers |
8 |
| 266/265 |
Means for introducing fluent into vessel, e.g., tuyere |
126 |
| 266/269 |
Having drain means or cleaner insertion means, e.g., punch hole |
25 |
| 266/267 |
Having means for simultaneously feeding diverse materials |
45 |
| 266/268 |
Having plural outlets |
84 |
| 266/270 |
Having means preventing damage to introducing means, e.g., wear linings, cooling |
166 |
| 266/266 |
With flow control means or internal flow guide |
80 |
| 266/200 |
Means for melting or vaporizing metal or treating liquefied metal |
98 |
| 266/243 |
Bessemer-type treating vessel |
25 |
| 266/244 |
By mounting vessel to revolve about its longitudinal axis |
9 |
| 266/245 |
With means pivotally mounting vessel |
49 |
| 266/246 |
Means mounting vessel to trunnion ring |
45 |
| 266/247 |
Means mounting vessel to u-shaped trunnion support means |
8 |
| 266/216 |
By means introducing treating material |
154 |
| 266/217 |
Gaseous treating material |
157 |
| 266/218 |
Having fluid inlet formed in vessel wall, e.g., tuyere |
93 |
| 266/221 |
By means to introduce diverse material |
26 |
| 266/222 |
Concentric flow paths |
36 |
| 266/223 |
Having control means |
9 |
| 266/219 |
Having intersecting streams converging on central axis of vertical furnace |
16 |
| 266/220 |
Having porous outlet |
131 |
| 266/224 |
Having tuyere formed in plug bottom |
18 |
| 266/225 |
Lance |
241 |
| 266/226 |
With manipulating means |
69 |
| 266/203 |
By means specialized to puddle metal |
0 |
| 266/207 |
By providing, treating or protecting environment, e.g., vacuum |
85 |
| 266/208 |
By application of vacuum |
74 |
| 266/209 |
By upward flow of metal within treating zone |
23 |
| 266/210 |
Recirculating material to its source |
22 |
| 266/211 |
Enclosed within casing |
17 |
| 266/227 |
By separating metal in a molten mass from undesired material, e.g., slag |
208 |
| 266/229 |
By baffle means |
60 |
| 266/230 |
At discharge outlet |
71 |
| 266/231 |
In discharge trough, e.g., runner |
36 |
| 266/228 |
By skimming a material |
30 |
| 266/232 |
Settling receptacle, e.g., slag pot |
9 |
| 266/233 |
By stirring or mixing molten metal |
69 |
| 266/235 |
Having impeller means |
115 |
| 266/234 |
Induction stirring |
40 |
| 266/215 |
Continuous refining |
40 |
| 266/242 |
Heated melting pot |
93 |
| 266/248 |
Horizontal, rotatable, cylindrical type |
18 |
| 266/204 |
Means applying centrifugal force |
25 |
| 266/206 |
Means for melting-type material, e.g., linotype |
6 |
| 266/205 |
Means to melt and separate metal from mass of diverse constituents |
53 |
| 266/212 |
Refining means with separate metal-melting zone |
24 |
| 266/214 |
Reverberatory refining vessel, e.g., open hearth |
20 |
| 266/213 |
Revolving drum-type furnace |
32 |
| 266/201 |
Slag refining means |
45 |
| 266/202 |
Spray refining means |
80 |
| 266/241 |
With means to cool treating means |
77 |
| 266/236 |
With means to discharge molten material |
320 |
| 266/239 |
By changing ambient pressure on material surface, e.g., suction |
101 |
| 266/237 |
Including electromagnetic means |
67 |
| 266/238 |
Means for removing residual material |
8 |
| 266/240 |
With means to tilt heating means |
47 |
| 266/168 |
Means for treating ores or for extracting metals |
53 |
| 266/169 |
Amalgam-type extraction means |
9 |
| 266/171 |
By means applying heat to work, e.g., furnace |
44 |
| 266/172 |
Fluidized zone |
128 |
| 266/173 |
Rotary drum-type furnace |
70 |
| 266/197 |
Shaft-type furnace, e.g., blast furnace |
103 |
| 266/198 |
Having external support |
6 |
| 266/199 |
Having specific top structure |
27 |
| 266/190 |
With cooling of heating means |
28 |
| 266/192 |
By direct fluid contact |
7 |
| 266/191 |
By means cooling material discharge means |
15 |
| 266/193 |
By means embedded in heating means |
89 |
| 266/194 |
Having means to facilitate removal of cooling means |
26 |
| 266/195 |
With discharge means |
49 |
| 266/196 |
With trough-shaped outlet, e.g., runner |
54 |
| 266/186 |
With means for feeding fluids |
48 |
| 266/188 |
With common outlet means to feed diverse fluids |
11 |
| 266/187 |
With flow regulating means |
10 |
| 266/189 |
With means to cool fluid feeding means |
10 |
| 266/176 |
With means for moving solid material to or through heating zone |
67 |
| 266/184 |
Bell and hopper type |
21 |
| 266/182 |
By fluid current |
68 |
| 266/177 |
By means for moving charge through zone |
45 |
| 266/181 |
Means forming cascading array |
3 |
| 266/178 |
Traveling grate |
39 |
| 266/180 |
Train of grate elements |
6 |
| 266/179 |
With seal means |
20 |
| 266/183 |
By power-driven means conveying solid charge into zone |
24 |
| 266/174 |
With safety device |
0 |
| 266/175 |
With separate preheat chamber |
26 |
| 266/185 |
With work supporting grate |
6 |
| 266/170 |
By means precipitating metal from solution |
90 |
| 266/271 |
Means sealing or opening aperture in vessel |
153 |
| 266/272 |
By means plugging aperture |
89 |
| 266/273 |
By means injecting plugging compound, e.g., mud gun |
29 |
| 266/102 |
Means treating a continuum of work |
45 |
| 266/103 |
With heating means |
114 |
| 266/104 |
By joule effect |
43 |
| 266/105 |
Discrete article continuum |
14 |
| 266/107 |
In a molten material bath |
22 |
| 266/108 |
In a muffle furnace |
12 |
| 266/110 |
In specific environment, e.g., vacuum |
29 |
| 266/106 |
Overlapped planar coil |
45 |
| 266/109 |
With cooling by contact with solid heat sink |
13 |
| 266/111 |
With fluid contact means |
65 |
| 266/112 |
In liquid bath |
58 |
| 266/113 |
In liquid spray |
86 |
| 266/249 |
Means treating solid metal |
100 |
| 266/251 |
By contact with gas |
77 |
| 266/258 |
By contacting only selected areas of object |
23 |
| 266/252 |
With heating means |
208 |
| 266/253 |
Bottom feeding furnace |
15 |
| 266/257 |
Having atmosphere generating means within treating zone |
39 |
| 266/255 |
Having work contained in separate, noncommunicating chamber, e.g., muffle |
27 |
| 266/256 |
Bell furnace |
30 |
| 266/254 |
With indirect heat-exchange means for gas |
28 |
| 266/259 |
By cooling of the solid |
134 |
| 266/260 |
By contact with solid heat sink |
11 |
| 266/261 |
By flame contact heating |
22 |
| 266/262 |
Fluid tight heat transferring box shield or hood (e.g., annealing box) |
23 |
| 266/263 |
Bell-type hood, or support for such hood |
26 |
| 266/264 |
Having packing at hood lip |
9 |
| 266/250 |
Having evacuated chamber |
68 |
| 266/900 |
Metal melting furnaces, e.g., cupola type |
103 |
| 266/287 |
Miscellaneous |
124 |
| 266/44 |
Process |
337 |
| 266/46 |
Cooling |
56 |
| 266/45 |
Plugging or tapping |
174 |
| 266/47 |
Tuyere operation |
90 |
| 266/905 |
Refractory metal-extracting means |
29 |
| 266/DIG.1 |
Repair or restoration of apparatus |
27 |
| 266/903 |
Safety shields |
12 |
| 266/901 |
Scrap metal preheating or melting |
172 |
| 266/167 |
Thermit™ reaction vessel |
12 |
| 266/166 |
Treating vessel with distinct molten material holding means, e.g., forehearth |
20 |
| 266/135 |
With cleaning or lubricating means |
42 |
| 266/136 |
Fluid injector cleaner |
8 |
| 266/78 |
With control means responsive to sensed condition |
96 |
| 266/79 |
By treated material sampling means |
43 |
| 266/80 |
With analyzer or computation means |
153 |
| 266/90 |
With means responsive to condition of treated material |
92 |
| 266/92 |
By means sensing position of work |
42 |
| 266/94 |
By means sensing level of molten liquid |
47 |
| 266/95 |
By float means |
8 |
| 266/93 |
By means sensing presence or absence of work |
7 |
| 266/91 |
By means sensing weight or density of work |
38 |
| 266/81 |
With means supplying a treating agent |
67 |
| 266/86 |
By means positioning dispenser |
7 |
| 266/82 |
Correlated flow of diverse fluents |
22 |
| 266/83 |
With flow rate sensor |
20 |
| 266/84 |
With means sensing moisture content |
3 |
| 266/85 |
Individual control of diverse inputs |
6 |
| 266/89 |
With pressure sensor |
69 |
| 266/87 |
With temperature sensor |
165 |
| 266/88 |
In a fluid |
52 |
| 266/137 |
With means to comminute or disintegrate solids |
30 |
| 266/138 |
With means to preheat gas |
18 |
| 266/140 |
By heat generating means |
16 |
| 266/141 |
By remote heat exchanger |
19 |
| 266/139 |
Having heat storage means, e.g., checkers, stroves |
15 |
| 266/144 |
With means treating or handling gases exhausted by treating means |
106 |
| 266/148 |
By condensing and collecting a volatile constituent |
41 |
| 266/151 |
By cascading material evolving the gas |
0 |
| 266/152 |
By indirect liquid heat exchange means |
5 |
| 266/150 |
Having molten metal splashing means |
3 |
| 266/153 |
Having retort condenser |
7 |
| 266/154 |
Vertical shaft furnace |
13 |
| 266/149 |
Within evacuated chamber |
39 |
| 266/146 |
By contacting gas with nonmetallic liquid |
10 |
| 266/147 |
By liquid spraying |
37 |
| 266/156 |
By means recycling exhaust gas |
156 |
| 266/157 |
By separating particles from evolved gas |
98 |
| 266/145 |
Having means to treat or handle gases evolving from rotary furnace |
34 |
| 266/158 |
Hood |
136 |
| 266/159 |
Offtake |
63 |
| 266/155 |
With heat exchanger, e.g., waste heat boiler |
71 |
| 266/96 |
With programmed, cyclic, or time responsive control means |
28 |
| 266/97 |
By timer |
3 |
| 266/98 |
Having driven disk or drum |
1 |
| 266/99 |
With recording, indicating, inspection or measuring means |
159 |
| 266/100 |
Having observation means |
40 |
