CH70672A
(en )
1915-10-16
Rotating piston pump
CH55425A
(en )
1912-08-16
Rotating piston gas engine
CH53482A
(en )
1912-02-16
Steam engine with rotating piston
AT63549B
(en )
1914-02-25
Air brake with motor-driven pump.
AT91072B
(en )
1923-01-25
Air or gas pump with two pistons rotating in opposite directions.
AT43207B
(en )
1910-07-25
Reversible compound engine with rotating pistons.
CH71077A
(en )
1915-12-01
Speedometer with pump and an indicator piston moved by the conveyed medium
CH53639A
(en )
1912-03-16
Cooling device on reciprocating pistons
CH44885A
(en )
1909-09-16
Sealing device on motors with rotating pistons
CH44575A
(en )
1909-09-01
Power machine with rotating pistons
CH69045A
(en )
1915-05-17
Centrifugal pump with mechanical filling device
AT70990B
(en )
1916-01-25
Machine with rotating and oscillating pistons.
DK26235C
(en )
1920-07-05
Liquid pump with reciprocating piston.
AT80148B
(en )
1920-02-25
Machine with rotating pistons.
DK14746C
(en )
1911-07-03
Rotating Machine with Variable Stroke Volume.
CH44271A
(en )
1909-07-16
Explosive engine with rotating pistons
CH45380A
(en )
1909-11-16
Explosive engine with rotating pistons
CH63470A
(en )
1914-02-02
Pneumatic brake with motor-driven pump
AT46539B
(en )
1911-02-25
Valve control for power machines with rotating pistons.
CH53480A
(en )
1912-02-16
Suction valve on vertical piston pumps
CH48142A
(en )
1910-09-16
Machine with rotating pistons
DK17937C
(en )
1913-10-13
Air brake with motor Pump.
DK18049C
(en )
1913-11-03
Rotary Pump or Motor.
DK15957C
(en )
1912-05-13
Fluid Motor or Pump with Variable Stroke.
FR428840A
(en )
1911-09-08
Pneumatic pump with no negative space