| Patents for F01B 19 - Positive-displacement machines or engines of flexible-wall type (376) |
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| 01/31/1990 | CN2052065U Flexible connection reciprocating vacuum pump |
| 12/21/1989 | DE3918955A1 Technical simulation of the biological muscle principle as a technical muscle. Robot resembling an animal or a human being and having technical muscles. Parts of this robot as prostheses. Further applications of the muscle: as lifting and tensioning device, as muscle motor, for positioning of an object by several muscles, as adjustment means for the range of spring |
| 12/19/1989 | US4887516 Clamping arrangement for diaphragm piston assembly |
| 12/12/1989 | US4885983 Self-retaining diaphragm seal |
| 11/28/1989 | US4882980 Tandem brake booster |
| 11/21/1989 | US4881452 Tandem vacuum booster and diaphragm for same |
| 11/21/1989 | US4881451 Tandem vacuum booster and diaphram for same |
| 10/11/1989 | CN2045790U Fully-sealing bellows pump |
| 10/03/1989 | US4870821 Reciprocation apparatus with sealing mechanism |
| 09/19/1989 | US4867121 Piston system for use in an internal combustion engine |
| 08/08/1989 | US4854428 Double-acting hydraulic piston-and-cylinder device |
| 05/23/1989 | US4831915 Dual diaphragm three position actuator |
| 04/25/1989 | US4824338 Pump arrangement which includes axially extending cylindrical ring noses on coned rings with a centering ring and seal ring radially of the face wherein two of the ring nose are oppositionally directed and laid together |
| 04/24/1989 | EP0246275A4 Thermally powered engine. |
| 04/20/1989 | DE3727989A1 Assemblies carrying a fluid flow with axially sprung elements defining chambers for pressures up to several thousands of atmospheres |
| 04/20/1989 | DE3711633A1 Assemblies carrying a fluid flow with axially sprung elements defining chambers for pressures up to thousands of atmospheres |
| 04/18/1989 | US4822255 Pump for pressures exceeding one thousand atmospheres by the provision of a half-pressure chamber around a high pressure chamber between coned ring elements |
| 03/29/1989 | EP0309441A2 Double acting hydraulic piston cylinder unit |
| 03/23/1989 | DE3729726A1 Membrane machine unit |
| 12/27/1988 | US4793239 Fluid handling device |
| 12/01/1988 | DE3714153A1 Diaphragm machine unit |
| 09/13/1988 | US4769992 Reciprocation apparatus with sealing mechanism |
| 05/24/1988 | US4745846 Devices which take in and expel fluid by a chamber which may border a coned ring |
| 04/19/1988 | US4738186 Diaphragm for a servomotor |
| 12/15/1987 | US4712381 Fluid handling elements and combustion engines |
| 12/08/1987 | US4711158 Linear motion actuator with spring centering means |
| 11/25/1987 | EP0246275A1 Thermally powered engine. |
| 10/20/1987 | US4701113 Pump arrangement which includes a working chamber which is bordered by a coned ring with a seal lip on the inner face of the coned ring |
| 09/10/1987 | DE3606922A1 Arrangements for pressures of up to several thousand bar in assemblies carrying a flowing fluid |
| 09/01/1987 | US4690623 Fluid pumps, fluid motors and devices, which include a coned ring |
| 06/04/1987 | WO1987003357A1 Thermally powered engine |
| 02/25/1987 | EP0126140B1 Variable pneumatic pressure mechanism |
| 10/21/1986 | US4617801 Thermally powered engine |
| 10/14/1986 | US4616556 Flexible compressible piston |
| 05/13/1986 | CA1204291A1 Isothermal positive displacement machinery |
| 04/29/1986 | CA1203739A1 Variable pneumatic pressure force-transmitting mechanism |
| 02/04/1986 | US4567814 Interchangeable connector and diaphragm assembly |
| 01/28/1986 | US4566371 Variable pneumatic pressure force-transmitting mechanism |
| 12/10/1985 | US4557671 Arrangement of connecting a diaphragm with an actuator rod in a diaphragm-operated device |
| 12/10/1985 | US4557347 Fluid pumps, fluid motors and devices, wherein they are applied |
| 11/12/1985 | US4552054 Radial piston machine, employing a medial rotor bearing |
| 08/13/1985 | US4534270 Vacuum booster assembly |
| 05/14/1985 | US4516474 Tandem diaphragm brake booster |
| 01/29/1985 | US4495854 Power servo booster |
| 11/07/1984 | EP0124223A2 Diaphragm-operated motor |
| 07/31/1984 | US4462301 Bourdon tube actuator |
| 07/03/1984 | CA1170241A2 Fire-safe valve actuator |
| 06/07/1984 | WO1984002159A1 Variable pneumatic pressure mechanism |
| 01/18/1984 | EP0098679A2 Pump or motor with a flexible diaphragm |
| 09/13/1983 | US4403539 Arrangement for connecting a diaphragm with an actuator rod in a diaphragm-operated device |
| 04/26/1983 | US4381179 Pumps with floating wrist pins |
| 03/23/1983 | EP0074379A1 Improvement in high pressure double action pumps |
| 09/30/1982 | WO1982003246A1 Improvement in high pressure double action pumps |
| 09/07/1982 | US4347778 Reversible fluid unit |
| 08/03/1982 | CA1128971A1 Self pumping seal for a reciprocating member |
| 07/13/1982 | CA1127402A1 Refrigerant motor |
| 02/09/1982 | US4314447 Refrigerant motor |
| 01/05/1982 | US4309150 Peristaltic motors |
| 12/15/1981 | US4305327 Pressurized gas engine |
| 10/20/1981 | CA1110936A1 Diaphragm assembly |
| 08/25/1981 | US4285197 Isothermal chamber and heat engines constructed using said chamber |
| 07/07/1981 | CA1104354A1 Free-piston regenerative hot gas hydraulic engine |
| 04/30/1981 | WO1981001182A1 Self pumping seal for a reciprocating member |
| 11/12/1980 | EP0018908A1 Pneumatic linear motor |
| 10/14/1980 | US4227444 Aneroid bellows assembly |
| 09/30/1980 | US4224860 Diaphragm assembly |
| 08/05/1980 | US4215548 Free-piston regenerative hot gas hydraulic engine |
| 04/30/1980 | EP0010403A1 Free-piston regenerative hydraulic engine |
| 10/09/1979 | US4170166 Air motor with expansible chamber |
| 04/03/1979 | US4147094 Vacuum operated device |
| 01/16/1979 | US4134306 Rotary actuator |
| 07/12/1977 | USRE29302 Bag diaphragms and bag diaphragm operated air dampers |
| 12/21/1976 | US3998130 Pressure driven motor |
| 10/19/1976 | US3986435 Gas compressors and motors |
| 08/17/1976 | US3974744 Engines, or prime movers |
| 08/10/1976 | US3973471 Motors |