CH54375A
(en )
1912-05-17
Rotary machine that can work as a pump, fan, motor, etc.
CH58490A
(en )
1913-03-17
Rotary machine which can be used as a motor, as a pump or as a compressor
FR427472A
(en )
1911-08-04
Rotary pump that can also be used as a compressor
FR462497A
(en )
1914-01-28
Rotary machine, usable as a pump or as a motor
CH64308A
(en )
1914-03-16
Rotary machine that can work as a motor or as a pump
FR528865A
(en )
1921-11-19
Rotary machine usable as a pump or as a motor
FR456115A
(en )
1913-08-18
Improvements to rotary machines functioning as pumps or motors
CH62652A
(en )
1913-12-16
Rotary vane machine that can be used as a pump or as a motor
FR15367E
(en )
1912-06-25
Balanced rotary machine that can be used as a pump, steam engine, hydraulic, compressed air or explosion
FR422272A
(en )
1911-03-17
Rotary machine that can be used as a motor and as a pump
FR507480A
(en )
1920-09-16
Machine applicable as pump, compressor or motor
CH57119A
(en )
1912-12-16
Rotary piston machine that can be used as a pump or motor
FR427629A
(en )
1911-08-09
Rotary motor, also usable as a pump
FR429745A
(en )
1911-09-29
Balanced rotary machine that can be used as a pump, steam engine, hydraulic, compressed air or explosion
FR444425A
(en )
1912-10-17
Rotary pump device that can be used as a steam or hydraulic motor
FR485960A
(en )
1918-02-26
Pump or rotary motor
FR353579A
(en )
1905-09-14
Rotary motor can also function as a pump
CH67475A
(en )
1914-12-16
Rotary pump can also be used as a motor
FR510845A
(en )
1920-12-11
Compressor pump or rotary motor
FR452292A
(en )
1913-05-13
Advanced rotary pump or motor
FR455024A
(en )
1913-07-21
Variable capacity rotary device functioning as a motor, as a pump or as a compressor
FR486076A
(en )
1918-03-06
Pump or rotary motor
FR473000A
(en )
1914-12-26
Rotary pump
FR445569A
(en )
1912-11-14
Rotary pump
GB165797A
(en )
1921-07-11
A new or improved rotary motor applicable as a pump or compressor