| Class Number |
Class Name |
No. of Patents |
| 416/3 |
Actuation directly responsive to magnetic or electrical effect |
55 |
| 416/93R |
Ambient fluid or exhaust gas directed through hub, fairing or housing |
56 |
| 416/94 |
Aircraft spinner or cowling |
16 |
| 416/93A |
Water or marine propellers |
104 |
| 416/63 |
Ambulant, body supported or with carrying handle |
52 |
| 416/131 |
Articulated, resiliently mounted or self-shifting impeller or working member |
46 |
| 416/133 |
Axially displaceable rotary carrier (e.g., hub, etc.) |
17 |
| 416/140 |
Including movement limit stop or damping means |
206 |
| 416/139 |
Including weight bias means |
52 |
| 416/134R |
Nonmetallic resilient mounting |
99 |
| 416/134A |
Aircraft rotors |
325 |
| 416/141 |
Plural articulation |
200 |
| 416/135 |
Resilient bias or mount |
77 |
| 416/136 |
Rotary working member pivotable solely about radial axis |
28 |
| 416/137 |
Convolute spring coaxial with impeller shaft |
17 |
| 416/138 |
With manual control means |
76 |
| 416/132R |
Sectional, staged or nonrigid working member |
37 |
| 416/132A |
Flexible sheet or plate |
60 |
| 416/132B |
Windmills |
184 |
| 416/84 |
Buoyant or inflatable working member |
31 |
| 416/146R |
Combined or convertible |
199 |
| 416/146A |
Hub lubrication or seal |
33 |
| 416/78 |
Crank type dipping or stirring motion |
2 |
| 416/197R |
Cupped reaction surface normal to rotation plane |
28 |
| 416/197A |
Air and water motors (natural fluid current) |
151 |
| 416/197B |
Pelton wheels (impulse wheels) |
12 |
| 416/197C |
Torque converters |
50 |
| 416/175 |
Diverse impellers or working members |
121 |
| 416/20R |
Drive by fluid reaction jet on working member |
42 |
| 416/20A |
Articulated or flexible connection |
12 |
| 416/21 |
Combustion chamber carried by member |
8 |
| 416/22 |
Air-ingestion rotor tip unit |
9 |
| 416/6 |
Driven by pulsating or diverse working fluid |
9 |
| 416/85 |
Float supported |
79 |
| 416/86 |
Buoyant hub or rim |
24 |
| 416/DIG.4 |
Fluid current motor and generator |
131 |
| 416/501 |
Fly brush type impeller |
1 |
| 416/DIG.2 |
Formulas of curves, etc. |
283 |
| 416/169R |
Having clutch or brake means |
86 |
| 416/169A |
Engine cooling fans |
138 |
| 416/2 |
Having frangible or fusible part or connection |
65 |
| 416/174 |
Having lubricating, sealing, packing or specific bearing means between impeller or shaft and static part |
138 |
| 416/147 |
Having positive means for impeller adjustment |
53 |
| 416/153 |
Having pitch lock or adjustable stop |
38 |
| 416/154 |
Fluid motor for impeller adjustment |
23 |
| 416/155 |
Motor bodily rotatable with impeller hub or shaft |
60 |
| 416/156 |
Fluid motor |
23 |
| 416/157R |
Coaxial with impeller shaft |
87 |
| 416/157B |
Plural blade units |
11 |
| 416/157A |
Rotary fluid motor |
8 |
| 416/158 |
Working member mounted or housed |
36 |
| 416/151 |
Power derived from impeller shaft |
10 |
| 416/152 |
By brake application or release |
17 |
| 416/159 |
Power or manual actuator on non-rotatable part |
17 |
| 416/163 |
Adjustment rod through entire impeller shaft |
14 |
| 416/161 |
Axially movable impeller |
4 |
| 416/162 |
Having motor |
53 |
| 416/160 |
Planetary gearing connecting rotatable and non-rotatable parts |
36 |
| 416/164 |
Reciprocating sleeve or collar on or rod in impeller shaft |
26 |
| 416/168R |
Link connection to working member |
72 |
| 416/168A |
Turbo-machine |
13 |
| 416/167 |
Pin-slot or cam-slot connection to working member |
56 |
| 416/166 |
Rack-pinion connection to working member |
16 |
| 416/165 |
Reciprocated by coaxial screw |
27 |
| 416/149 |
Shiftable carrier support |
8 |
| 416/150 |
Rectilinear motion |
10 |
| 416/148 |
Tiltable carrier (e.g., hub, etc.) |
58 |
| 416/DIG.7 |
Inlet and outlet |
5 |
| 416/25 |
Interrelated controls for impeller and drive means |
16 |
| 416/27 |
Pitch adjustment and throttle regulation with condition sensing means |
39 |
| 416/29 |
Drive engine intake air responsive control |
8 |
| 416/30 |
Electrical control or sensing means |
36 |
| 416/28 |
Temperature responsive control |
10 |
| 416/26 |
Pitch adjustment related to drive brake or clutch operation |
7 |
| 416/194 |
Lashing between working members or external bracing |
29 |
| 416/196R |
Connecting adjacent work surfaces |
69 |
| 416/196A |
Non-turbo machine (windmills) |
45 |
| 416/195 |
Peripheral |
59 |
| 416/1 |
Method of operation |
177 |
| 416/248 |
Miscellaneous (e.g., blade root or root block, etc.) |
251 |
| 416/198R |
Multiple axially spaced working members |
88 |
| 416/200R |
Circumferentially offset |
36 |
| 416/200A |
Turbo machine |
13 |
| 416/201R |
Differing radii |
71 |
| 416/201A |
Non-turbo machine |
29 |
| 416/199 |
Opposed axial flow |
21 |
| 416/198A |
Turbo machine |
175 |
| 416/54 |
Operated by art device |
2 |
| 416/60 |
Integral with or directly attached to rotary device or part (e.g., flywheel, pulley, etc.) |
70 |
| 416/59 |
Pivot supported swinging device |
0 |
| 416/56 |
Runner supported rocking device |
0 |
| 416/58 |
Continuous impeller rotation |
1 |
| 416/57 |
Inertial actuation |
0 |
| 416/55 |
Vehicular device |
14 |
| 416/69 |
Operator supported manually actuated type |
2 |
| 416/74 |
Fulcrum support type (e.g., oar, scull, etc.) |
33 |
| 416/70R |
Operation solely by direct hand manipulation |
36 |
| 416/70A |
Fans |
16 |
| 416/72 |
Relatively movable portions |
8 |
| 416/73 |
Arcuate planar folding of working surface |
13 |
| 416/71 |
Simulation or having indicia, ornamentation or combined feature |
6 |
| 416/75 |
Reciprocatory pin-slot actuator |
1 |
| 416/76 |
Rotary hand crank (e.g., egg beater, etc.) |
0 |
| 416/77 |
Intermeshing or interdigitated working members |
0 |
| 416/79 |
Oscillatory reaction motion |
21 |
| 416/83 |
Compound motion (e.g., feathering, undulating, etc.) |
30 |
| 416/81 |
Flexible working member |
17 |
| 416/82 |
Relatively movable working member portions |
15 |
| 416/80 |
With pendulum, counterbalance or inertial weight |
13 |
| 416/178 |
Perimetric blading extending axially between annular members (e.g., squirrel cage type, etc.) |
82 |
| 416/120 |
Plural impellers having relative movement or independent supports |
21 |
| 416/124 |
Coaxial rotation |
22 |
| 416/126 |
Concentric working members |
15 |
| 416/127 |
Concurrent adjustment |
20 |
| 416/125 |
Individual prime mover |
10 |
| 416/128 |
Oppositely rotating impellers |
59 |
| 416/129 |
Engine driven |
133 |
| 416/130 |
Differential or independent adjustment |
23 |
| 416/123 |
Divergent rotation axes |
20 |
| 416/122 |
Intersecting or interdigitated paths of operation |
22 |
| 416/121 |
Shiftable support |
50 |
| 416/202 |
Projecting blade axis offset from rotation axis |
28 |
| 416/247R |
Protective screen or guard |
169 |
| 416/247A |
Water or marine propellers |
52 |
| 416/87 |
Radially extensible or retractible rotor working member |
67 |
| 416/89 |
Having pitch adjustment |
52 |
| 416/88 |
Variable work surface or non-rigid connection |
27 |
| 416/62 |
Removable auxiliary attachment to work surface |
80 |
| 416/4 |
Rotary skin friction type (e.g., magnus rotor, etc.) |
30 |
| 416/179 |
Rotor having flow confining or deflecting web, shroud or continuous passage |
51 |
| 416/181 |
Apertured or foraminous web or shroud |
64 |
| 416/189 |
Axially extending shroud ring or casing |
256 |
| 416/192 |
Having radial flange |
87 |
| 416/191 |
Segmental shroud |
158 |
| 416/193R |
Spaced inwardly of impeller periphery |
69 |
| 416/193A |
Root platforms |
344 |
| 416/190 |
Vibration inhibiting or expansion-contraction structure |
130 |
| 416/180 |
Blades projecting axially from concavo-convex annular web |
60 |
| 416/182 |
Radially extending web or end plate |
31 |
| 416/185 |
Circumferentially and radially continuous web or end plate |
166 |
| 416/188 |
Conical web |
120 |
| 416/186R |
Having opposed annular surface between adjacent blades |
196 |
| 416/186A |
Adjustable blade or part |
26 |
| 416/187 |
Angularly spaced, axially elongated blades (i.e., squirrel cage type) |
95 |
| 416/183 |
Circumferentially or radially angulated or discontinuous blades or sections (e.g., stepped, etc.) |
112 |
| 416/184 |
Spaced intermediate ends of opposed axial flow impeller |
46 |
| 416/DIG.9 |
Savonius |
11 |
| 416/DIG.3 |
Sheet metal |
72 |
| 416/19 |
Single blade rotary impeller with counterbalance |
23 |
| 416/223R |
Specific blade structure (e.g., shape, material, etc.) |
394 |
| 416/231R |
Apertured or permeable |
65 |
| 416/231A |
Mixers or agitators |
20 |
| 416/231B |
Slotted blade |
50 |
| 416/239 |
Blade cuff or shank construction |
61 |
| 416/238 |
Cantilever blade |
123 |
| 416/241R |
Coating, specific composition or characteristic |
620 |
| 416/241B |
Ceramic material |
526 |
| 416/241A |
Plastic or synthetic material |
291 |
| 416/243 |
Concave surface |
199 |
| 416/240 |
Flexible |
105 |
| 416/226 |
Formed with main spar |
148 |
| 416/225 |
Having spanwise compression means |
18 |
| 416/224 |
Having wear liner, sheathing or insert |
214 |
| 416/232 |
Hollow |
78 |
| 416/233 |
Having brace means bridging cavity |
95 |
| 416/234 |
Integrally shaped or blended into hub |
95 |
| 416/235 |
Irregular, flanged or channel forming blade surface |
99 |
| 416/237 |
Angular or offset |
153 |
| 416/236R |
Ribbed or grooved |
100 |
| 416/236A |
Concentric or circular ribs |
52 |
| 416/229R |
Laminated, embedded member or encased material |
164 |
| 416/229A |
Turbo machine |
153 |
| 416/230 |
Wire, fiber, strand or fabric |
345 |
| 416/227R |
Openwork (e.g., lattice, looped, etc.) |
32 |
| 416/227A |
Propeller and non-mixers |
56 |
| 416/223B |
Radial flow devices |
153 |
| 416/242 |
Reverse curve surface |
113 |
| 416/228 |
Tined or irregular periphery |
236 |
| 416/223A |
Turbo machine |
270 |
| 416/170R |
Specific drive or transmission means |
271 |
| 416/172 |
Alternating rotation |
6 |
| 416/170HM |
Hand mixers |
0 |
| 416/171 |
Impeller driven by fluid motor |
48 |
| 416/173 |
Manual powered means |
1 |
| 416/204R |
Specific working member mount |
141 |
| 416/205 |
Adjustable |
72 |
| 416/207 |
Blade releasably clamped |
73 |
| 416/208 |
Split impeller hub |
33 |
| 416/206 |
Spring biased detent |
51 |
| 416/209 |
Thimble or sleeve fixed on impeller blade |
20 |
| 416/214R |
Blade held between separable surfaces |
91 |
| 416/214A |
Turbo machine |
35 |
| 416/215 |
Blade received by continuous circumferential channel |
83 |
| 416/217 |
Divided blade root |
35 |
| 416/218 |
Having circumferentially extending binder |
55 |
| 416/216 |
Radially spaced ribs or grooves |
17 |
| 416/219R |
Blade received in well or slot |
213 |
| 416/220R |
Having blade locking means |
302 |
| 416/220A |
Non-turbo machine |
56 |
| 416/221 |
Resilient or deformable |
135 |
| 416/219A |
Non-turbo machine |
21 |
| 416/222 |
Blade straddles carrier |
32 |
| 416/210R |
Distally supported on radial arm |
151 |
| 416/211 |
Axially extending blade |
8 |
| 416/210A |
Turbo machine |
4 |
| 416/212R |
Interlocking blades |
28 |
| 416/212A |
Turbo machine |
22 |
| 416/204A |
Turbo machine |
85 |
| 416/213R |
Welded, cemented or fused |
142 |
| 416/213A |
Non-turbo machine |
43 |
| 416/176 |
Spiral blade or flow passage (360 degree) |
74 |
| 416/177 |
Flow confining casing, shroud or passage |
52 |
| 416/DIG.8 |
Stack or chimney with fluid motor |
20 |
| 416/DIG.1 |
Stalker |
0 |
| 416/244R |
Support mounting, carrier or fairing structure |
433 |
| 416/246 |
Selectively adjustable impeller mount |
102 |
| 416/245R |
Spinner or fairwater cap |
62 |
| 416/245A |
Water or marine propellers |
46 |
| 416/244A |
Turbo machine |
266 |
| 416/244B |
Water or marine propellers |
80 |
| 416/DIG.6 |
Supports for natural fluid current motors |
60 |
| 416/98 |
Sustained ancillary movement of rotary working member (e.g., cyclic feathering, etc.) |
19 |
| 416/108 |
By actuator eccentric to rotation axis |
31 |
| 416/109 |
Stationary eccentric guide or track |
6 |
| 416/110 |
Continuous rotation about plural axes |
30 |
| 416/111 |
Motion about parallel axes |
45 |
| 416/100 |
Continuous rotor oscillation |
51 |
| 416/101 |
Cyclic radial movement |
10 |
| 416/99 |
Intermounted rotary members |
21 |
| 416/103 |
Lead-lag type rotor blade movement |
4 |
| 416/104 |
And additional correlated blade movement (e.g., pitch change, etc.) |
18 |
| 416/105 |
Positive means effecting lead-lag movement |
1 |
| 416/106 |
With movement restraining means (i.e., damping) |
20 |
| 416/107 |
Resilient bias or limit stop |
34 |
| 416/102 |
Responsive to carrier tilt |
28 |
| 416/112 |
Responsive to fixed actuator (e.g., cam or trip, etc.) |
7 |
| 416/113 |
Axial cam |
6 |
| 416/114 |
Selectively adjustable |
92 |
| 416/115 |
Plural impellers |
21 |
| 416/116 |
Stationary cam track or guide surface |
17 |
| 416/117 |
Responsive to gravity or working fluid force |
69 |
| 416/118 |
Having manual control or adjustment |
11 |
| 416/119 |
Motion about parallel axes |
164 |
| 416/64 |
Translatory reaction motion |
8 |
| 416/65 |
And concurrent rotary reaction motion |
4 |
| 416/66 |
Flexible or relatively movable working member or part |
8 |
| 416/68 |
Complemental pivoted surfaces |
5 |
| 416/67 |
Valve type |
1 |
| 416/203 |
Unsymmetrical impeller or dissimilar working members |
156 |
| 416/DIG.5 |
Variable camber or chord length |
130 |
| 416/500 |
Vibration damping features |
395 |
| 416/31 |
With control means responsive to non-cyclic condition sensing, centrifugal actuation, torque or thrust |
54 |
| 416/32 |
Control of drive brake or clutch |
50 |
| 416/44 |
Impeller rotation speed responsive |
82 |
| 416/52 |
Centrifugal mass coaxial with impeller |
12 |
| 416/53 |
Pivot axis parallel to rotation axis |
16 |
| 416/51 |
Centrifugal mass moved along guided or lineal path |
38 |
| 416/47 |
Control by means of separate motor |
21 |
| 416/48 |
Motor carried by impeller |
51 |
| 416/46 |
Including pitch lock or adjustable stop |
49 |
| 416/49 |
Including reset or manual override of control |
20 |
| 416/50 |
Of centrifugal weight governor |
9 |
| 416/45 |
Valve element directly movable by centrifugal force |
10 |
| 416/33 |
Plural distinct impellers having related control |
23 |
| 416/34 |
Synchronizing |
25 |
| 416/36 |
Plural diverse condition responsive |
32 |
| 416/38 |
Drive engine condition excluding shaft speed or torque |
8 |
| 416/37 |
Relative ambient condition sensing (e.g., temperature, density, wind force, etc.) |
37 |
| 416/42 |
Pressure or altitude responsive |
27 |
| 416/43 |
Responsive to condition of torque or thrust of device or driving or driven means or mechanism |
56 |
| 416/40 |
Responsive to relative working fluid velocity |
18 |
| 416/41 |
Natural fluid current |
109 |
| 416/39 |
Temperature or icing condition responsive |
59 |
| 416/35 |
With electrical means comparing and reducing error related to preset datum |
43 |
| 416/90R |
With fluid passage in working member communicating with working fluid |
47 |
| 416/90A |
Air and watercraft propellers |
53 |
| 416/91 |
Both inlet and outlet to working fluid |
46 |
| 416/92 |
Discharge solely at periphery normal to rotation axis |
111 |
| 416/18 |
With gyroscopic reference means for rotor control |
8 |
| 416/95 |
With heating, cooling or thermal insulation means |
300 |
| 416/96R |
Changing state mass within or fluid flow through working member or carrier |
376 |
| 416/96A |
Blade inserts |
192 |
| 416/97R |
Flow exhausted to working fluid |
883 |
| 416/97A |
Laminated or porous skin |
96 |
| 416/5 |
With illumination means |
301 |
| 416/23 |
With means moving working fluid deflecting working member part during operation (e.g., aileron, etc.) |
91 |
| 416/24 |
Cyclic movement of member or part |
47 |
| 416/9 |
With means positioning fluid current driven impeller relative to flow direction |
56 |
| 416/17 |
Feathering cycle related to flow direction |
59 |
| 416/10 |
Offset relative to flow direction |
16 |
| 416/13 |
Horizontal deflection relative to flow-aligned vane |
19 |
| 416/15 |
And responsive to transverse vane |
3 |
| 416/16 |
Biased to position by weight of parts |
12 |
| 416/14 |
With impeller brake or stop |
13 |
| 416/12 |
Responsive to folding or feathering of flow-aligned vane |
8 |
| 416/11 |
Upstream pivotal mounting |
68 |
| 416/61 |
With measuring, testing, signalling or inspection means |
163 |
| 416/144 |
With weight-balancing means |
118 |
| 416/145 |
Self-shifting or selectively adjustable mass |
93 |
| 416/142 |
Working member foldable, pivotable or collapsible to non-use position |
152 |
| 416/143 |
Member movement in rotation plane |
65 |
| 416/7 |
Working member supported on endless flexible carrier |
21 |
| 416/8 |
Feathering blades |
24 |
