| Patents for F04C 5 - Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable (932) |
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| 11/29/1995 | EP0684384A1 Toothed belt pump |
| 11/22/1995 | EP0682751A1 Vacuum pump device. |
| 11/21/1995 | US5468129 Peristaltic pump |
| 11/02/1995 | WO1995029339A1 Internal toothed belt pump |
| 11/02/1995 | CA2188758A1 Internal toothed belt pump |
| 09/13/1995 | CN2207460Y High performance screw arbor pump |
| 09/13/1995 | CN2207459Y Multipurpose screw arbor pump with sand-proof function |
| 07/19/1995 | EP0663529A1 Peristaltic pump tube loading assembly |
| 07/12/1995 | CN2203366Y Mono pump for liquid supply |
| 06/29/1995 | WO1995017600A1 Peristaltic pump tube cassette with angle pump tube ports |
| 06/27/1995 | US5427509 Peristaltic pump tube cassette with angle pump tube connectors |
| 06/08/1995 | DE4341225A1 Annular pump for high pressure liquids |
| 03/22/1995 | EP0643808A1 Reduced pulsation tapered ramp pump head |
| 02/16/1995 | WO1995004886A1 Peristaltic pump housing |
| 02/16/1995 | CA2168854A1 Peristaltic pump cassette |
| 02/07/1995 | US5387088 Peristaltic pump tube loading assembly |
| 12/08/1994 | WO1994028309A1 Innovative pumping system for peristaltic pumps |
| 11/17/1994 | DE4315648A1 Pump for delivering free-flowing materials, such as concrete or a concrete/water mixture |
| 10/19/1994 | EP0619859A1 Peristaltic pump having means for reducing flow pulsation. |
| 09/29/1994 | DE4414319A1 Internally toothed belt pump |
| 08/24/1994 | EP0611581A2 Tube carrier apparatus |
| 08/18/1994 | WO1994018453A1 Vacuum pump device |
| 08/10/1994 | CN2173871Y Bidirectional symmetric single screw oil pump |
| 08/09/1994 | US5336051 Inline non-invasive pressure monitoring system for pumps |
| 06/01/1994 | CN2167218Y Structure for combining parts of well screw pump for oil field |
| 05/18/1994 | CN2165264Y Hollow screw oil pump |
| 04/14/1994 | WO1994008138A1 Peristaltic pump having means for reducing flow pulsation |
| 04/05/1994 | US5299922 Positive displacement rotary pump |
| 03/09/1994 | EP0448592B1 Fluid flow control apparatus |
| 02/24/1994 | DE4227357A1 Flexible tube displacement pump with tube arranged in housing - has rotor assigned to pump tube which is rotated by drive organ and rotor is provided with number of rotor arms which with rotation of rotor successively depress tube |
| 01/19/1994 | CN2153656Y Grading screw pump |
| 12/23/1993 | DE4220119A1 Hose pump for liquids and viscous liquids - has pump rollers displaceable between two end positions. |
| 12/21/1993 | US5271746 Implantable blood pump with inextensible deformable closed bag |
| 12/09/1993 | WO1993024755A1 Reduced pulsation tapered ramp pump head |
| 12/09/1993 | CA2136015A1 Reduced pulsation tapered ramp pump head |
| 11/02/1993 | US5257917 Peristaltic pump having means for reducing flow pulsation |
| 07/27/1993 | US5230614 Reduced pulsation tapered ramp pump head |
| 07/07/1993 | CN2137730Y Butt stator for oil pump with single screw arbor |
| 05/27/1993 | DE4138727A1 Peristaltic pump for perfusion of fluids in body cavities - has a hose path formed by spring loaded curved pressure pieces |
| 05/26/1993 | CN2134512Y Rotary single spiral rod pump |
| 05/06/1993 | DE4135609A1 Rolling-action peristaltic pump - has bearing-bed asymmetrical in relation to inlet and outlet axes, including rotor axis |
| 04/20/1993 | CA1316512C Oil pump for a horizontal type rotary compressor |
| 04/20/1993 | CA1316396C Peristaltic pump adapted to operate simultaneously on two lines |
| 12/23/1992 | CN2125736U Flow adjustable screw pump |
| 12/02/1992 | EP0394383B1 Hose pump |
| 10/28/1992 | CN2120203U Electric single screw submerged pump |
| 10/14/1992 | EP0508556A1 Motor unit for a fluid pump and method of operation |
| 09/23/1992 | EP0505270A1 Implantable blood pump |
| 09/21/1992 | CA2063299A1 Implantable blood pump |
| 09/08/1992 | US5145342 Stator for eccentric spiral pump |
| 07/29/1992 | EP0496379A2 Peristaltic pump assembly |
| 07/21/1992 | US5131823 Device for joining a connection piece to peristaltic pump |
| 06/24/1992 | EP0304446B1 Dosage equipment |
| 06/03/1992 | CN2106247U Double cross axle universal joint transmisson single screw pump |
| 06/02/1992 | CA1302481C Motor unit for a fluid pump and method of operation |
| 05/05/1992 | CA1299952C Peristaltic pump cartridge |
| 03/17/1992 | CA1297341C Peristaltic pump |
| 03/04/1992 | EP0473348A1 Peristaltic pump |
| 01/28/1992 | US5083908 Miniature peristaltic pump |
| 01/21/1992 | US5082429 Peristaltic pump |
| 01/15/1992 | CN2093248U Pump sleeve assembly of single-screw underwater electric pump |
| 12/31/1991 | CA1293648C Pump with removable cartridges |
| 11/12/1991 | US5064358 Peristaltic pump adapted to operate simultaneously on two lines |
| 10/02/1991 | EP0448941A2 Stator for an eccentric screw pump |
| 10/02/1991 | EP0448909A1 Assembling device for a tube on a peristaltic pump |
| 10/02/1991 | EP0448592A1 Fluid flow control apparatus. |
| 09/17/1991 | US5049048 Hose pump |
| 09/11/1991 | CN2084526U Screw pump |
| 09/03/1991 | US5044902 Cartridge for peristaltic pump with a flexible tube, and peristaltic pump fitted with such a cartridge |
| 08/01/1991 | DE4006339C1 Stator for eccentric scroll pump - has threaded inside profile, and rubber-elastic insert on metallic partly-threaded cover |
| 07/09/1991 | CA1285820C Peristaltic pump |
| 06/26/1991 | EP0433344A1 A pumping device, in particular high-pressure pump |
| 06/04/1991 | CA1284598C Self-loading peristaltic pump |
| 05/22/1991 | CN2077496U Inner-engaged outward spiral string screw arbor pump |
| 04/09/1991 | US5006049 Peristaltic pump |
| 04/04/1991 | DE3943430A1 Rotary hose pump esp. for dosing and analysing equipment - has pressure rollers compacting hose mounted on movable adjusters for variable spacing w.r.t. rotor axis |
| 02/26/1991 | US4995432 For feeding liquid doses |
| 12/19/1990 | CN2067773U Single screw stem pump for machine tool |
| 11/13/1990 | US4969808 Elastic tubing pump |
| 10/03/1990 | CN1009852B Lubricating system of sealed compressor with horizontal crankshaft |
| 09/26/1990 | EP0388787A1 Miniature peristaltic pump |
| 09/26/1990 | CN1045634A Cartridge for peristaltic pump with flexible tube, and peristaltic pump filled with such cartridge |
| 09/20/1990 | WO1990010792A1 Case for a deformable tube peristaltic pump and peristaltic pump provided with such a case |
| 09/19/1990 | EP0388269A1 Cassette for a peristaltic pump with a resilient tube, and peristaltic pump with such a cassette |
| 08/01/1990 | CN2059940U Sectionalized combination type single screw-stem pump bush |
| 07/10/1990 | US4940402 High pressure and high lift pump impeller |
| 06/28/1990 | WO1990006781A1 Fluid flow control apparatus |
| 06/13/1990 | CA2005465A1 Fluid flow control apparatus |
| 05/22/1990 | CA1269277A1 Marine drive water pump impeller |
| 05/15/1990 | CA1268991A1 Dual roller peristaltic pump |
| 05/08/1990 | US4923375 Hose pump, in particular an insulin pump |
| 03/22/1990 | WO1990002879A1 A pumping device, in particular high-pressure pump |
| 03/20/1990 | US4909713 Peristaltic pump |
| 02/22/1990 | WO1990001638A1 Hose pump |
| 02/20/1990 | US4902205 Oil pump for a horizontal type rotary compressor |
| 01/17/1990 | CN2051293U High-pressure single-screw pump stator |
| 12/27/1989 | CN2050098U Dual-swing type single pump sleeve with steel flange |
| 12/20/1989 | EP0346784A1 Peristaltic pump adapted to operate simultaneously on two lines |
| 12/20/1989 | EP0222849B1 A hose pump, in particular an insulin pump |
| 12/13/1989 | EP0345918A1 A peristaltic pump |