| 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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| 10/17/1996 | WO1996032590A1 Rotary pump |
| 10/17/1996 | DE19614562A1 Schraubenpumpe Screw pump |
| 10/14/1996 | CA2174032A1 Dual pitch multiphase screw pump |
| 10/09/1996 | EP0736702A1 Hydraulic speed variator |
| 10/08/1996 | US5562429 Pulse dampener and fuel pump having same |
| 10/03/1996 | WO1996030410A1 Method of producing solutions of cellulose in water-containing tertiary-amin-n-oxides |
| 09/25/1996 | EP0733803A2 Pump motor and motor control |
| 09/24/1996 | US5558116 Metering cap |
| 09/24/1996 | US5558058 Four stroke engine with combined oil pump and filter assembly |
| 09/23/1996 | CA2172453A1 Pump motor and motor control |
| 09/10/1996 | US5554019 Compact gerotor pump |
| 09/05/1996 | DE19507545A1 Hydraulic motor or pump of displacement type |
| 09/04/1996 | CN1130416A Pump with twin cylindrical impellers |
| 09/03/1996 | US5551842 Unit for delivering fuel from a supply tank to the internal combustion engine of a motor vehicle |
| 08/22/1996 | DE19603930A1 Fuel pump for automotive vehicles |
| 08/14/1996 | EP0544856B1 Electric-motor-driven hydraulic pump |
| 07/31/1996 | EP0724068A1 Oilfeeder system |
| 07/30/1996 | US5540569 Multiple-chamber gear pump for ink jet printing |
| 07/30/1996 | US5540563 Unitary housing for double hydraulic unit |
| 07/25/1996 | WO1996022467A1 Liquid ring compressor/turbine and air conditioning systems utilizing the same |
| 07/17/1996 | EP0722044A2 Integral pump and flow meter device |
| 07/12/1996 | CA2166952A1 Integral pump and flow meter device |
| 07/03/1996 | EP0719223A1 Hydraulic braking system for motor vehicles |
| 06/11/1996 | US5525048 Cantilever armature mount for fuel pumps |
| 05/17/1996 | WO1996014524A1 Hydraulic speed variator |
| 05/17/1996 | WO1996014511A1 Rotary pump and motor assembly |
| 05/17/1996 | CA2180576A1 Hydraulic variable speed drive |
| 05/09/1996 | DE4439265A1 High performance hydraulically driven differential gearbox |
| 05/01/1996 | EP0708888A1 A pump with twin cylindrical impellers |
| 04/25/1996 | DE4437377A1 Pump for supplying fuel from tank to engine |
| 04/25/1996 | DE4437317A1 Pump for supplying fuel from tank to engine |
| 04/10/1996 | EP0705980A1 Hydraulic pumping unit |
| 04/10/1996 | CN1120122A Unitary housing for double hydraulic unit |
| 03/28/1996 | DE19512993A1 Unit casing for double hydraulic unit |
| 03/20/1996 | EP0702143A1 Fuel pump for a motor vehicle |
| 03/05/1996 | US5496163 Gear machine having shaft toothing for driving a gear |
| 02/15/1996 | WO1996004159A1 Hydraulic braking system for motor vehicles |
| 02/08/1996 | DE4427799A1 Hydraulische Kraftfahrzeugbremsanlage Motor vehicle hydraulic brake system |
| 01/10/1996 | CN2217124Y high pressure double gear pump |
| 01/10/1996 | CN2217123Y Combination triple gear pump |
| 12/06/1995 | EP0685650A1 External gear hydraulic device |
| 11/23/1995 | WO1995031644A1 A pump with twin cylindrical impellers |
| 11/14/1995 | US5466131 Multiple-chamber gear pump with hydraulically connected chambers |
| 11/09/1995 | WO1995030091A1 Vapor control system |
| 11/02/1995 | EP0679802A1 Motor vehicle fuel pump |
| 11/01/1995 | CN2211506Y Improved two linkage gear pump |
| 09/28/1995 | WO1995025891A1 Multiple-chamber gear pump |
| 09/14/1995 | WO1995024556A1 Dosing cap |
| 08/30/1995 | EP0669467A1 Device with an electrically driven pump |
| 08/09/1995 | CN2204871Y Floating shaft connecting oil pump with two shafts |
| 07/27/1995 | WO1995020099A1 Pumping arrangement |
| 07/27/1995 | DE4423589C1 Gear pump for lubricating oil supply in IC engine |
| 07/26/1995 | EP0664603A1 Pump motor controller |
| 07/26/1995 | EP0664378A1 Pumping arrangement |
| 07/19/1995 | CA2139898A1 Pump motor controller |
| 07/13/1995 | DE4143507C2 Electrically driven rotary fuel pump for combustion engine |
| 07/06/1995 | DE4419530C1 Kneading machine with adjacent kneading chambers |
| 07/05/1995 | EP0661439A1 Fuel pump for motor vehicle |
| 06/07/1995 | EP0656476A1 Liquid ring vacuum pump and method of assembly |
| 06/07/1995 | EP0656098A1 Compact gerotor pump. |
| 05/31/1995 | CN2199335Y Nest pump with overflow valve |
| 05/31/1995 | CN2199334Y Duplex gear pump |
| 05/24/1995 | DE4440238A1 Motor vehicle fuel pump with brushless electric motor |
| 05/17/1995 | EP0528004B1 Hydraulic pump for a vehicle engine |
| 05/09/1995 | US5413466 Unified fuel pump assembly |
| 04/27/1995 | DE4336090A1 Unit for delivering fuel from a storage container to the internal combustion engine of a motor vehicle |
| 04/26/1995 | EP0649986A1 Unified fuel pump assembly |
| 03/28/1995 | US5401143 Multi-stage automotive fuel pump having angeled fuel transfer passage |
| 03/21/1995 | US5399075 Pump for a liquid, particularly an electric fuel pump for an internal combustion engine |
| 03/21/1995 | US5398505 Fluid pressure driving system |
| 03/07/1995 | US5395217 Gear pump for oil for an internal-combustion engine, in particular for motor vehicles |
| 03/07/1995 | US5394709 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors |
| 02/28/1995 | US5393203 Fuel pump for motor vehicle |
| 02/21/1995 | US5391063 Magnet assembly for electric fuel pump |
| 02/15/1995 | EP0638144A1 Gear machine. |
| 01/10/1995 | CA1333857C Gerotor pumps |
| 01/05/1995 | DE4320692A1 Hydraulic pump unit |
| 01/03/1995 | US5378130 Tandem type gear pump having an integral inner middle partition wall |
| 01/03/1995 | US5378111 Motor vehicle fuel pump assembly with pressure relief orifice |
| 12/28/1994 | EP0630445A1 Compressor slide valve control |
| 12/07/1994 | EP0627558A1 Unitary electric-motor/hydraulic-pump assembly with noise reduction features |
| 12/01/1994 | DE4413940A1 Sludge pump |
| 12/01/1994 | DE4317645A1 Regelbare Zahnradpumpe Adjustable gear pump |
| 11/01/1994 | US5360322 Hydraulic pump driven by an electric motor |
| 10/27/1994 | DE4334228A1 Hydraulic unit |
| 10/13/1994 | DE4412003A1 Verfahren zum Herstellen einer Brennstoffpumpe für Kraftfahrzeuge A method of manufacturing a fuel pump for motor vehicles |
| 10/11/1994 | US5354182 Unitary electric-motor/hydraulic-pump assembly with noise reduction features |
| 10/08/1994 | CA2120225A1 Automotive fuel pump having modular construction |
| 10/05/1994 | EP0618364A1 Hydrostatic pump |
| 09/21/1994 | CN1025970C Feeding mechanism for stringy material conveying pump |
| 08/30/1994 | CA2009905C High density grout pump |
| 08/18/1994 | WO1994018455A1 Gear machine |
| 08/02/1994 | US5334002 Gerotor pump with shiftable rotor boss |
| 08/02/1994 | US5333997 Device for the power control of at least two hydrostatic variable displacement pumps |
| 07/05/1994 | US5326232 Two stage pump assembly with mechanical disconnect |
| 06/16/1994 | DE4242217A1 Gear pump or motor - has gear pairs with gears of differing tooth numbers |
| 06/15/1994 | EP0601751A1 Electric-motor in-line integrated hydraulic pump |
| 06/14/1994 | US5320501 Electric motor driven hydraulic apparatus with an integrated pump |
| 06/07/1994 | US5318153 Oil pump |
| 05/31/1994 | US5316449 Motor-driven pump with reaction turbine |