| Patents for F04C 11 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations (1,800) |
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| 02/27/2002 | EP1181453A1 Motor-pump unit |
| 02/20/2002 | CN1079499C Wellhead drive brake system |
| 02/19/2002 | US6347843 Pump equipment and method for assembling same |
| 02/07/2002 | US20020015651 Rotary piston engine |
| 01/31/2002 | DE10014278C2 Hydromotor oder Hydropumpe Hydraulic motor or hydraulic pump |
| 01/30/2002 | EP1176312A2 Driving coupler used in a motor-driven hydraulic pump |
| 01/15/2002 | CA2244593C Dual stage rotary screw pump tool and method of pump flushing |
| 01/03/2002 | DE10028957A1 Tragbare Hydraulikpumpeneinheit Portable hydraulic pump unit |
| 01/02/2002 | CA2356086A1 Wear resistant pc pump assembly |
| 12/27/2001 | US20010055537 Downhole roller vane motor and roller vane pump |
| 12/20/2001 | WO2001096742A1 Portable hydraulic pump unit |
| 12/13/2001 | US20010051098 Brushless DC wet motor fuel pump with integral controller |
| 12/06/2001 | WO2001092684A1 Well production apparatus and method |
| 12/06/2001 | US20010048879 Pump equipment with plural rotary pumps and method for assembling same |
| 12/01/2001 | CA2310477A1 Well production apparatus and method |
| 11/29/2001 | US20010045233 Process and device for pressurizing flowable reaction components |
| 11/29/2001 | DE10124559A1 Rotary piston engine has eccentric shaft carrying gear wheel near one side plate that forms pressurized oil supply geared pump with gear wheel mounted in side plate, dosing oil pump drive |
| 11/20/2001 | US6318981 Two-cylinder type two-stage compression rotary compressor |
| 11/20/2001 | US6318975 Motor mount assembly |
| 11/15/2001 | DE10020162A1 Verfahren und Vorrichtung zum Herstellen eines Massivstoff oder Schaumstoff bildenden, fließfähigen Reaktionsgemisches Method and apparatus for producing a solid material or foam-forming, flowable reaction mixture |
| 11/14/2001 | EP0858406B1 Motor pump for a vehicle braking system |
| 11/14/2001 | CN1321575A Flowing reactive component pressurizing process and equipment |
| 11/08/2001 | US20010037798 Pump arrangement, fuel delivery system and liquid cooling system for an internal combustion engine incorporating such a pump and a vehicle comprising such a fuel delivery system and liquid cooling system |
| 10/31/2001 | EP1149674A2 Verfahren und Vorrichtung zur Druckbeaufschlagung von fliessfähigen Reaktionskomponenten |
| 10/31/2001 | DE10019115A1 Pump, preferably vane cell or gear wheel pump, has hand pump device integrated into pump housing that feeds into suction side flow path of transport unit |
| 10/17/2001 | EP1144868A1 Hydraulic machine comprising dual gerotors |
| 10/16/2001 | US6302666 Downhole roller vane motor |
| 10/11/2001 | DE10015139A1 Motorpumpenaggregat Motor pump unit |
| 10/11/2001 | DE10014278A1 Hydraulic pump or motor has two to one transmission ratio between rotor shaft and rotating disc valve shaft, and two cut-outs with connecting holes are symmetrically formed on each rotating disc valve for pressure compensation |
| 10/10/2001 | EP1143147A2 Control of multi stage electrically driven compressor |
| 10/10/2001 | EP1141551A1 Pump assembly comprising two hydraulic pumps |
| 10/04/2001 | WO2001073295A1 Motor-pump unit |
| 10/04/2001 | US20010026767 Trochoid gear type fuel pump |
| 09/26/2001 | EP1135582A1 Pump arrangement, a fuel delivery system and a liquid cooling system for an internal combustion engine incorporating such a pump and a vehicle comprising such a fuel delivery system and liquid cooling system |
| 09/25/2001 | US6293765 Tandem fixed displacement pump with torque control |
| 09/11/2001 | US6287090 Electric pump apparatus |
| 09/07/2001 | WO2001065118A1 Hydraulic pressure transformer |
| 09/06/2001 | DE10024620A1 Dosing equipment for polymer injection molding machines, comprises four rotary positive displacement pumps in series-parallel connection, feeding mixer |
| 09/05/2001 | CN2446306Y Miniature water/gas dual-purpose pump |
| 08/28/2001 | US6281607 Electric motor with vibration attenuation |
| 08/23/2001 | DE10005779A1 Vorrichtung mit wenigstens einem hydraulisch steuerbaren Arbeitsmittel Device with at least one hydraulically controllable work equipment |
| 08/22/2001 | CN1069951C Unitary housing for double hydraulic unit |
| 08/16/2001 | WO2001059288A2 Integrated pump unit |
| 08/16/2001 | EP1123191A1 Extrusion method, extruder and product produced thereby |
| 07/26/2001 | WO2001053724A1 Dual gerotor pump for use with automatic transmission |
| 07/26/2001 | WO2001053702A1 Hydraulic fluid vane pump |
| 07/26/2001 | WO2001053701A1 Hydraulic vane pump |
| 07/25/2001 | EP1118527A1 Submersible electro-hydraulic power pack for underhood automotive steering applications |
| 07/24/2001 | US6264451 Pump equipment with plural rotary pumps and method for assembling same |
| 07/10/2001 | US6257364 Submersible electro-hydraulic powerpack for underhood automotive steering applications |
| 06/21/2001 | DE19959022C1 Drive unit for hydraulic pressure source e.g. for automobile servo steering system, has electric motor enclosed by separate motor hood anchored to flange plate of pressure source |
| 06/12/2001 | US6244841 Vacuum pumps |
| 05/30/2001 | EP1102935A1 A motor driven pump |
| 05/30/2001 | EP1102934A1 Gear pump |
| 05/23/2001 | CN1296551A Two-stage centrifugal compressor |
| 05/22/2001 | US6233930 Power steering device |
| 05/10/2001 | DE19953810A1 Rotary hydraulic pump has two sets of rotors on two common shafts and separated by a bulkhead to form separate pump units |
| 04/12/2001 | WO2001025639A1 Twin pump |
| 04/12/2001 | WO2001025638A1 Gear pump with double effort compensation |
| 04/12/2001 | DE19945122A1 Hydraulische Steuereinrichtung Hydraulic control device |
| 04/04/2001 | EP1088169A1 Lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft |
| 03/29/2001 | DE19945922A1 Innenzahnradpumpen umfassendes Pumpenaggregat Internal gear pumps complete pump unit |
| 03/28/2001 | EP1087138A2 Pump unit with two internal gear pumps |
| 03/22/2001 | DE19942567A1 Vorrichtung zum Pumpen von Fluid A device for pumping fluid |
| 03/15/2001 | WO2001018397A1 Gear pump with a drive and a hydraulic tank |
| 03/14/2001 | CN1287593A Submersible pump assembly for use in a well |
| 03/07/2001 | EP1081383A2 Rotary compressor |
| 03/07/2001 | CN1286359A Two-cylinder two-stage compressing rotating compressor |
| 03/06/2001 | US6195990 Hydraulic machine comprising dual gerotors |
| 02/21/2001 | CN2420444Y High vacuum blade pump with auxiliary pump |
| 02/20/2001 | US6189411 Rear end gear pump |
| 01/30/2001 | US6179595 Hydraulic gear machine having a transmission shaft in a bearing tube |
| 01/25/2001 | WO2001006127A1 Reversible vane pump and motor |
| 12/21/2000 | WO2000077363A1 Method for operating a turbomachine and corresponding turbomachine |
| 12/21/2000 | DE19926891A1 Verfahren zum Betreiben einer Turbomaschine und Turbomaschine A method of operating a turbomachine, the turbomachine and |
| 12/14/2000 | WO2000075518A1 A pumping arrangement for pumping a liquid product from a tank or container |
| 12/13/2000 | CN1276853A Downhole roller vane motor and roller vane pump |
| 12/12/2000 | US6158993 Hydraulic motor |
| 12/05/2000 | US6155804 Sound attenuating motor end shield for a hydraulic pump |
| 11/28/2000 | US6152231 Wellhead drive brake system |
| 11/23/2000 | DE10012429A1 Electric motor with vibration damping e.g. for power steering system in vehicle, has tubular sprung pins arranged in engagement with stator and base to prevent transfer of vibrations or oscillations between stator and base |
| 10/24/2000 | US6135723 Efficient Multistage pump |
| 10/19/2000 | WO2000061971A1 Control devices of a hydrostatic transmission |
| 10/18/2000 | EP1044333A1 Submersible pump for use in a bore hole |
| 10/18/2000 | EP1044332A1 Series for compressed air motors with torque which can be theoretically output in a varied manner and a method for producing the individual compressed air motors of said series |
| 10/18/2000 | EP1044331A1 Line of products for gear pumps having different delivery capacity and method for producing said individual gear pumps of said line of products |
| 10/10/2000 | US6129176 Sound attenuating motor end shield |
| 09/28/2000 | DE19912936A1 Laterne zum Befestigen eines Motors an einer Pumpe Lantern for attaching a motor to a pump |
| 09/27/2000 | EP1038611A2 Coupling housing for fastening a motor to a pump |
| 09/21/2000 | WO2000055506A1 Two-stage centrifugal compressor |
| 09/21/2000 | WO2000043673B1 Efficient multistage pump |
| 09/08/2000 | WO2000052339A1 Hydraulic vane motor |
| 08/29/2000 | US6110033 Apparatus for the filling of meat sausage |
| 08/17/2000 | DE19857726A1 Rotary piston pump/motor unit has working chamber with volume adjusted by relative movement of cylinder housing and rotary piston |
| 08/09/2000 | EP1025362A1 Downhole roller vane motor and roller vane pump |
| 08/09/2000 | EP1025361A2 Pumping apparatus |
| 07/27/2000 | WO2000043673A1 Efficient multistage pump |
| 07/20/2000 | WO2000042321A1 Hydraulic machine comprising dual gerotors |
| 07/19/2000 | EP1020645A1 Multi-stage Roots pump and method of producing the housing |
| 07/11/2000 | US6086347 Two-stage rotary vane motor |