DK27036C
(en )
1920-12-20
Piston machine that can be used as a Pump, Compressor or Motor.
DK27626C
(en )
1921-05-17
Rotary machine that can be used as a Pump, Compressor or Motor.
DK30634C
(en )
1922-11-13
Revolving, as Pump or Motor Working Machine.
FR507480A
(en )
1920-09-16
Machine applicable as pump, compressor or motor
DK23010C
(en )
1918-04-15
Reverse Piston Pump.
DK30399C
(en )
1922-10-09
Reversible Machine that can be used as Motor, Pump, Air Compressor and the like.
ES68586A1
(en )
1919-02-01
Shaft for stepped centrifugal pumps and compressors.
DK22302C
(en )
1917-07-23
Pump that works by Inertia.
FR493556A
(en )
1919-08-13
Automobile pump, powered by the engine
DK26492C
(en )
1920-08-23
Reverse Pump.
AT89351B
(en )
1922-09-11
Pump.
ES78187A1
(en )
1921-10-01
Improvements in rotary piston compressors, pumps, motors or analogues.
CH79706A
(en )
1919-01-02
Rotating piston pump
DK31233C
(en )
1923-02-05
Self-regulating DC machine that can be operated either as a Generator or as a Motor.
DK30117C
(en )
1922-08-21
Compressor, Pump or Motor with a cylindrically driven cylindrical Working Piston in a cylindrical Housing.
CH73016A
(en )
1916-08-01
Rotary piston machine acting as a compressor, pump or engine
DK23489C
(en )
1918-09-09
Revolving Pump or Motor.
DK23316C
(en )
1918-07-29
Revolving Pump or Motor.
CH76009A
(en )
1918-03-01
Centrifugal pump or compressor with a horizontal axis
ES72581A1
(en )
1920-04-28
Rotation pump, compressor or motor.
DK35085C
(en )
1925-09-28
Revolving Pump, Compressor or Motor.
CH78319A
(en )
1918-07-16
Rotary piston pump
DK24397C
(en )
1919-04-14
Centrifugal pump.
DK22275C
(en )
1917-07-16
Pump.
FR515446A
(en )
1921-04-01
Improvements to compressors, pumps, motors or the like with rotary piston