|
US2229066A
|
|
Rollable bearing
|
|
US2274683A
|
|
Engine
|
|
US2225628A
|
|
Air and other filters and conditioners
|
|
US2188474A
|
|
Air and other separator
|
|
US2197797A
|
|
Coupling or clutch
|
|
US2195410A
|
|
Clutch for speed change and other gearing
|
|
US2188432A
|
|
Air and other separator
|
|
US2188345A
|
|
Air or other current separator
|
|
US2188431A
|
|
Air and other separator
|
|
US2102314A
|
|
Drive and differential
|
|
US2102313A
|
|
Drive and differential
|
|
US2243859A
|
|
Fluid current separator
|
|
US2074837A
|
|
Gear drive or flexible rollable belt
|
|
US2101844A
|
|
Speed reducer and other transmission
|
|
US2101845A
|
|
Speed reducer and other transmission
|
|
US2194746A
|
|
Dust guard for pulverizers and other devices
|
|
US2188430A
|
|
Air or current separator
|
|
US2055485A
|
|
Separator
|
|
US2094531A
|
|
Gas filter
|
|
US2074328A
|
|
Gear drive and flexible rollable belt
|
