CH56211A
(en )
1912-10-16
Explosive engine with rotating pistons
FR446287A
(en )
1912-11-30
Rotary piston pump
CH63872A
(en )
1914-03-02
Explosive engine with a rotating piston
CH70672A
(en )
1915-10-16
Rotating piston pump
AT68037B
(en )
1915-02-25
Explosive engine with a rotating piston.
CH53482A
(en )
1912-02-16
Steam engine with rotating piston
CH62200A
(en )
1913-11-01
Pump with rotating piston and an abutment slide in the cylinder wall
FR457323A
(en )
1913-09-16
Multi-cylinder combustion engine with variable piston stroke
FR466678A
(en )
1914-05-20
Multicylinder pump
DK17043C
(en )
1913-03-03
Two-stroke internal combustion power pump.
CH74884A
(en )
1917-04-16
Valveless lubrication pump
CH45380A
(en )
1909-11-16
Explosive engine with rotating pistons
CH44271A
(en )
1909-07-16
Explosive engine with rotating pistons
FR18016E
(en )
1914-01-15
Compression pump with constant piston stroke and variable flow
FR18682E
(en )
1914-05-30
Compression pump with constant piston stroke and variable flow
FR456267A
(en )
1913-08-21
Compression pump with constant piston stroke and variable flow
CH77965A
(en )
1918-06-17
Self-sealing piston
FR426733A
(en )
1911-07-17
Rotary piston engine
DK26235C
(en )
1920-07-05
Liquid pump with reciprocating piston.
CH55425A
(en )
1912-08-16
Rotating piston gas engine
CH77839A
(en )
1918-10-16
Lubricating oil piston pump
DK27148C
(en )
1921-02-07
Piston pump.
FR429726A
(en )
1911-09-29
Two-stroke, valve-less, balanced piston engine
CH55262A
(en )
1912-08-01
Pistons for internal combustion engines operated with liquid fuels
AT87359B
(en )
1922-02-25
Two-part piston.