CH54375A
(en )
1912-05-17
Rotary machine that can work as a pump, fan, motor, etc.
CH64308A
(en )
1914-03-16
Rotary machine that can work as a motor or as a pump
CH62652A
(en )
1913-12-16
Rotary vane machine that can be used as a pump or as a motor
CH58490A
(en )
1913-03-17
Rotary machine which can be used as a motor, as a pump or as a compressor
FR456115A
(en )
1913-08-18
Improvements to rotary machines functioning as pumps or motors
FR528865A
(en )
1921-11-19
Rotary machine usable as a pump or as a motor
FR449866A
(en )
1913-03-10
Machine that can be used as pump or motor
FR15994E
(en )
1912-10-26
Rotary pump device that can be used as a steam or hydraulic motor
FR462497A
(en )
1914-01-28
Rotary machine, usable as a pump or as a motor
FR422272A
(en )
1911-03-17
Rotary machine that can be used as a motor and as a pump
CH57119A
(en )
1912-12-16
Rotary piston machine that can be used as a pump or motor
FR444425A
(en )
1912-10-17
Rotary pump device that can be used as a steam or hydraulic 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
FR485960A
(en )
1918-02-26
Pump or rotary motor
FR443910A
(en )
1912-10-05
Forced lubrication single-vane rotary pump
FR445569A
(en )
1912-11-14
Rotary pump
CH31962A
(en )
1905-06-15
Machine that can be used as a rotary motor or as a pump
FR455717A
(en )
1913-08-07
Rotary vane pump
FR486076A
(en )
1918-03-06
Pump or rotary motor
FR16205E
(en )
1912-12-10
Forced lubrication single-vane rotary pump
FR16709E
(en )
1913-04-08
Forced lubrication single-vane rotary pump
FR452292A
(en )
1913-05-13
Advanced rotary pump or motor
FR461171A
(en )
1913-12-22
Rotary motor can also be used as a pump
CH35866A
(en )
1906-10-31
Rotary shutter machine that can be used as a motor or as a pump