|
US3675738A
|
|
Engine sealing
|
|
US3527049A
|
|
Compound stirling cycle engines
|
|
US3457722A
|
|
Hot gas engines method and apparatus
|
|
US3270699A
|
|
Hydrofoil craft
|
|
US3145660A
|
|
Free piston hydraulic pump
|
|
US3146765A
|
|
Free piston engine
|
|
US3005306A
|
|
Free piston engine power unit
|
|
GB812420A
|
|
Improvements in or relating to internal combustion engines
|
|
US2983098A
|
|
Gas lubricated free piston engines with supercharging arrangements
|
|
US2873912A
|
|
Electronic comparator
|
|
US2461032A
|
|
Thermal apparatus for compressing gases
|
|
US2319206A
|
|
Machine for rifling guns
|
|
US1947249A
|
|
Telephonic telegraphy
|
|
US1912358A
|
|
Apparatus for establishing an artificial datum
|
|
US1939875A
|
|
Cable
|
