Patents
Patents for F01B 11 - Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type (808)
03/1977
03/29/1977US4014249 Pneumatically actuated sanding tool
09/1976
09/21/1976US3981280 Two-stroke combustion engines
08/1976
08/17/1976US3974885 Pneumatic percussive power tool
08/10/1976US3973771 Illusion amusement device
07/1976
07/06/1976US3967542 Hydraulic intensifier
06/1976
06/08/1976US3961564 Fluid motor and combination bumper and sealing ring therefor
03/1976
03/02/1976US3940937 Intensifier
02/1976
02/10/1976US3937018 Power piston actuated displacer piston driving means for free-piston stirling cycle type engine
1 2 3 4 5 6 7 8 9