| Patents for F01B 19 - Positive-displacement machines or engines of flexible-wall type (376) |
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| 07/03/2003 | WO2003054354A1 A motor |
| 12/19/2002 | WO2002101199A1 Piston engine |
| 10/24/2002 | DE10120945A1 Fluid motor, especially pneumatic motor, has drive units with contraction drive and contraction hose between two head pieces, with fiber arrangement in hose body |
| 10/08/2002 | US6460327 Internal combustion engine |
| 08/15/2002 | US20020108491 Tension actuator having constraining sleeve immersed in a single layer of elastomeric material |
| 08/13/2002 | US6431052 Power generating apparatus using compressed air |
| 07/11/2002 | US20020088342 Power generating apparatus using compressed air |
| 07/10/2002 | EP1082519A4 Easy fit diaphragm |
| 06/11/2002 | CA2220363C Abrasion resistant diaphragm |
| 03/05/2002 | US6352455 Marine propulsion device |
| 11/22/2001 | US20010044273 Aftercooler bypass means for a locomotive compressed air system |
| 09/04/2001 | US6283725 Aftercooler bypass means for a locomotive compressed air system |
| 05/08/2001 | US6227826 Diaphragm activated compression pump |
| 03/14/2001 | EP1082519A1 Easy fit diaphragm |
| 02/20/2001 | US6189435 Diaphragm |
| 12/13/2000 | EP1058646A2 Internal combustion engine |
| 08/15/2000 | US6103048 Abrasion resistant plastic bonded to a diaphragm |
| 08/03/2000 | DE19903692A1 Drive method for ships involves sucking water from one side of ship through constant section elastic tube by pulse action, transporting it through tube, ejecting it at other side of ship |
| 06/27/2000 | US6080685 Abrasion resistant plastic bonded to a diaphragm |
| 03/14/2000 | US6036448 Fuel pump sealed in a bellows |
| 12/09/1999 | WO1999063203A1 Easy fit diaphragm |
| 12/09/1999 | CA2333012A1 Easy fit diaphragm |
| 11/30/1999 | US5992297 Easy fit diaphragm |
| 11/11/1999 | WO1999044886A3 Internal combustion engine |
| 09/10/1999 | WO1999044886A2 Internal combustion engine |
| 06/01/1999 | US5907992 Abrasion resistant diaphragm |
| 04/20/1999 | US5894784 Backup washers for diaphragms and diaphragm pump incorporating same |
| 03/02/1999 | CA2090384C Improved conical diaphragm and method of making |
| 01/07/1999 | DE19710882A1 Pump with oscillating impeller |
| 11/10/1998 | US5832731 Expandable piston rotary machine |
| 10/07/1998 | EP0845072A4 Spring brake actuator release tool |
| 09/16/1998 | EP0843776A4 Brake actuator with centering dome in service chamber |
| 07/30/1998 | WO1998032952A1 Brake actuator with self-centering diaphragm |
| 07/30/1998 | CA2278611A1 Brake actuator with self-centering diaphragm |
| 06/16/1998 | US5765466 Brake actuator with self-centering diaphram |
| 06/03/1998 | EP0845072A1 Spring brake actuator release tool |
| 05/27/1998 | EP0843776A1 Brake actuator with centering dome in service chamber |
| 05/14/1998 | WO1998020241A1 Expandable piston rotary machine |
| 11/07/1997 | CA2180413A1 Abrasion resistant plastic bonded to a diaphragm |
| 08/19/1997 | US5657682 Hose piston for transporting external objects along a flexible hose |
| 02/27/1997 | WO1997007322A1 Spring brake actuator release tool |
| 02/27/1997 | CA2228810A1 Spring brake actuator release tool |
| 02/20/1997 | WO1997006349A1 Brake actuator with centering dome in service chamber |
| 02/20/1997 | CA2228508A1 Brake actuator with centering dome in service chamber |
| 12/31/1996 | US5588348 Brake actuator with centering dome in service chamber |
| 06/11/1996 | US5524526 Vacuum motor for an automotive vehicle |
| 01/10/1996 | EP0439494B1 Differential pressure sensor with membrane having a free edge construction |
| 08/08/1995 | CA2067051C Rotary log debarker with improved air management system |
| 10/13/1994 | WO1994023182A1 An improved diaphragm |
| 09/07/1994 | CN1025875C Fluid cell arrangement for compressed air motors |
| 08/09/1994 | US5335584 Improved diaphragm |
| 06/07/1994 | US5317955 Bellows with annular volume fillers |
| 04/07/1994 | DE4331904A1 Heat engine using low grade heat source - employs carbon;dioxide to take up heat from storage fluid |
| 03/29/1994 | US5297470 Pneumatic rotary drive |
| 02/03/1994 | DE4225791A1 Stirling engine having regenerated thermal barrier - uses flexible plates arranged at intervals inside working cylinder |
| 11/30/1993 | CA1324809C Diaphragm piston assembly |
| 11/16/1993 | US5261320 Pneumatic rotary drive |
| 10/12/1993 | US5251538 Prehensile apparatus |
| 10/12/1993 | CA1323062C Clamping arrangement for diaphragm piston assembly |
| 08/04/1993 | CN1074971A Deformation energy conversion device |
| 07/06/1993 | US5224412 Belt-driven rotary drive |
| 06/22/1993 | US5220863 Conical diaphragm and method of making |
| 06/15/1993 | US5219393 Pressure driven rotary drive |
| 04/27/1993 | US5205202 Compressed air radial motor |
| 04/08/1993 | DE4133068C1 Stirling engine with diaphragm pistons - has diaphragms operating in quadrature at hot and cold ends connected by regenerator |
| 11/03/1992 | CA1309732C Double-acting hydraulic piston-and-cylinder device |
| 10/27/1992 | US5158005 Actuator using elastic extensible member |
| 10/13/1992 | US5155322 Compact metallic bellows |
| 10/13/1992 | US5154108 Compact metallic bellows |
| 08/18/1992 | US5138936 Unlimited amplitude rolling piston |
| 06/23/1992 | US5123332 Condition-responsive device with diaphragm protection means |
| 05/19/1992 | US5114636 Process for reducing the internal cross section of elastomeric tubing |
| 03/24/1992 | US5097880 Rotary log debarker with improved air management system |
| 02/26/1992 | EP0472133A1 Compressed air radial engine |
| 02/25/1992 | US5090297 All-elastomer fluid-pressure-actuatable twistors and twistor drive assemblies |
| 02/24/1992 | CA2049711A1 Compressed air radial motor |
| 02/12/1992 | EP0470333A1 flexible tube for Volume displacement machine |
| 01/14/1992 | US5079998 Pneumatic driver |
| 12/18/1991 | EP0246275B1 Thermally powered engine |
| 09/17/1991 | CA1289021C Diaphragm for a servomotor |
| 09/12/1991 | DE4039126A1 Artificial muscle filling system with filler tube - incorporates tube, with ring to assist flow of inflation gas |
| 07/16/1991 | US5032064 Pump for pressure exceeding one thousand atmospheres |
| 07/16/1991 | US5031510 Evacuation spring for hydraulic/pneumatic muscle |
| 05/28/1991 | US5018436 Folded bladder for fluid dynamic muscle |
| 05/28/1991 | US5018435 Fluid cell arrangement for compressed air motors |
| 05/14/1991 | US5014600 Bistep terminator for hydraulic or pneumatic muscle |
| 02/26/1991 | CA1280785C Method and system employing strings of opposed air- inflatable tension actuators in jointed arms, legs, beams and columns for controlling theirmovements |
| 02/14/1991 | DE3926512A1 Low speed in situ electromotor or engine - produces slow relative movement between outer surfaces and intermediate flexible body |
| 01/16/1991 | CN1048584A Fluid cell arrangement for compressed air motors |
| 01/09/1991 | EP0406478A1 Power cell arrangement for pressurized-air motors |
| 01/05/1991 | CA2018077A1 Fluid cell arrangement for compressed air motors |
| 12/11/1990 | US4976191 Elastically deformable fluid actuator |
| 10/24/1990 | CN2064414U Pressure driving transmission gear |
| 08/28/1990 | US4951554 Low stress diaphragm |
| 05/15/1990 | US4924756 Bellows core and method and apparatus for fabrication thereof |
| 05/03/1990 | WO1990004701A1 Solid state differential pressure sensor with overpressure stop and free edge construction |
| 04/20/1990 | CA2001047A1 Solid state differential pressure sensor with overpressure stop and free edge construction |
| 04/11/1990 | CN1041137A Clamping arrangement for diaphragm piston assembly |
| 04/10/1990 | US4915018 Diaphragm piston assembly |
| 03/06/1990 | US4905575 Solid state differential pressure sensor with overpressure stop and free edge construction |