|
US2315229A
|
|
Apparatus for comminuting dry substances, pastes, and the like
|
|
US2305795A
|
|
Resilient member
|
|
US2161096A
|
|
Conical-type stone crusher
|
|
US2183698A
|
|
Stone crusher
|
|
US2160462A
|
|
Ramming machine
|
|
US2170768A
|
|
Grinding and the like apparatus
|
|
US2154361A
|
|
System for the transmission of mechanical power
|
|
US2022829A
|
|
Washing machine
|
|
US2016972A
|
|
Mechanically oscillating screening apparatus
|
|
US1974514A
|
|
Driving gear with automatically alternating transmission
|
|
US1892968A
|
|
Method of and means for improvements in mechanical oscillators
|
|
US1885553A
|
|
Method of and means for transforming oscillatory movement into rotary movement
|
|
US1797840A
|
|
Means for the transmission of power in oscillating form
|
|
US1867989A
|
|
Method of and means for transmitting energy in the form of mechanical oscillations
|
|
US1868258A
|
|
Method of and means for suspension of vehicles
|
|
US1771449A
|
|
Method and means for supervising railroads
|
|
US1645822A
|
|
Bell-ring machinery
|
|
US1722767A
|
|
Pneumatic oscillating system and loosely-operative pneumatic couplings
|
|
US1563531A
|
|
Method of and means for balancing and coupling freely-oscillating units and units with restrained oscillations
|
|
US1737772A
|
|
Oscillating system
|
