| Patents for F04B 9 - Piston machines or pumps characterised by the driving or driven means to or from their working members (9,236) |
|---|
| 03/15/1988 | US4730992 Continuously operable hydraulic device |
| 03/15/1988 | US4730991 Gas actuated proportioning pump |
| 03/08/1988 | US4729720 Apparatus for continuously generating hydraulic pressure |
| 03/08/1988 | US4729717 Power transmission |
| 03/02/1988 | EP0257879A1 Lubrication pump |
| 02/23/1988 | US4726747 For repeatedly discharging a medium such as pharmaceutical products |
| 02/11/1988 | WO1988001021A1 Single and double acting fluid intensifier pump |
| 02/10/1988 | CN86207667U Simple-structured wind-driven water pump |
| 02/04/1988 | DE3625051A1 Piston supercharger which can be driven by the exhaust gas pulses of an internal combustion engine |
| 02/03/1988 | CN87201235U Extended energy-saving hollow fluid pump |
| 02/02/1988 | US4722675 Piston proportioning pump |
| 02/02/1988 | US4722263 Portable hydraulic pump |
| 01/28/1988 | WO1988000645A1 Process for actuating a valve in the exhaust gas outlet of a piston charger driven by exhaust pulses from an internal combustion engine and valve for carrying out the process |
| 01/28/1988 | DE3624227A1 Pneumatic pump unit |
| 01/27/1988 | EP0254292A1 Piston compressor driven by exhaust pulses of an internal combustion engine |
| 01/26/1988 | US4721439 Piston pump and drive therefor |
| 01/20/1988 | EP0253385A2 Automatic gravitational fluid compressor |
| 01/20/1988 | CN87208561U Reciprocating piston type hand press fluid pump |
| 01/20/1988 | CN87203395U Manpower wave guide water pump |
| 01/05/1988 | US4717317 Reciprocating pump |
| 12/29/1987 | CA1230867A1 Dispensing pump adapted for pressure filling |
| 12/16/1987 | EP0249175A2 Pump means |
| 12/15/1987 | US4712983 Air compressor accessory driven by portable electric drill |
| 12/12/1987 | CN86209937U Micro air compressor |
| 12/08/1987 | CA1230008A1 Fluid driven pump with one-way valve in fluid inlet |
| 12/02/1987 | EP0247459A1 Pressure-feeding apparatus |
| 12/02/1987 | CN87203189U Miniature hand-pump for well |
| 12/02/1987 | CN87200185U Hand drived reciprocating water pump |
| 12/02/1987 | CN86108797A Pressure-feeding apparatus |
| 12/01/1987 | US4710104 Variable displacement fluid pump with transducer interface |
| 11/25/1987 | EP0246335A1 Pump drive |
| 11/25/1987 | EP0246321A1 Multiple machine drive shaft and coupling adapter assembly |
| 11/24/1987 | US4708605 Piston pump with rotating piston having a universal joint |
| 11/24/1987 | US4708603 Variable displacement pump |
| 11/10/1987 | US4705458 Fluid operated pump |
| 11/05/1987 | WO1987006653A1 High efficiency pump method and apparatus with hydraulic actuation |
| 11/04/1987 | EP0243435A1 A pump |
| 11/03/1987 | US4703623 Double-piston master cylinder with central booster-driven piston driving surrounding low pressure piston |
| 10/22/1987 | WO1987006310A1 Fluid pressure intensifier |
| 10/21/1987 | EP0241489A1 Liquid metering device |
| 10/20/1987 | US4701112 Pumping system |
| 10/19/1987 | EP0231208A4 Pressure transfer fluid heater. |
| 10/15/1987 | DE3709554A1 Verfahren und vorrichtung zum dosieren und mischen von fluessigfarbstoffen Method and device for dosing and mixing of fluessigfarbstoffen |
| 10/08/1987 | WO1987005973A1 Anti-contamination flow control in liquids |
| 10/07/1987 | EP0239848A2 Drive control for a hydraulic cylinder acting as a drive for piston pumps |
| 10/07/1987 | CN86208142U Pedal water pump for shower |
| 09/30/1987 | EP0238949A2 Device for transporting a fluid from a first area of pressure to a second area of pressure, and back |
| 09/22/1987 | US4694976 Discharge apparatus for flowable media |
| 09/17/1987 | DE3619821A1 Dosage piston pump with restoring spring for pumping liquid media |
| 09/15/1987 | CA1226855A1 Double-acting mechanical pump for an atomizer of liquids |
| 09/10/1987 | DE3607477A1 Pump with adjustable delivery capacity |
| 09/09/1987 | EP0105877B1 Pump for liquids and gases |
| 09/02/1987 | EP0234969A1 Handpump which can be operated in any position |
| 09/02/1987 | EP0234798A2 Pump |
| 09/02/1987 | EP0234607A1 Stopper for a container and a pump connectable thereto |
| 09/01/1987 | US4690620 Variable radial piston pump |
| 09/01/1987 | US4690160 Hydraulically operated high-pressure piston pump |
| 09/01/1987 | US4690108 Fuel/oil pump |
| 08/26/1987 | EP0233771A2 Rotary pressure intensifier |
| 08/26/1987 | CN87100647A Pump assembly and its method of operation |
| 08/19/1987 | EP0232768A1 Hydraulic hand pump for actuating cable terminal presses and other hydraulic tools |
| 08/18/1987 | US4687426 Cam machine |
| 08/18/1987 | US4687424 Redundant piston pump for the operation of single or multiple chambered pneumatic blood pumps |
| 08/13/1987 | WO1987004586A1 Device for injecting a fluid into a network |
| 08/12/1987 | EP0231208A1 Pressure transfer fluid heater |
| 08/12/1987 | CN86204287U Uniformly rotating pumping unit |
| 08/12/1987 | CN85201742U Hydraulic pump of hand-operated sprayer |
| 08/05/1987 | CN86204350U Manual hydraulic oil pump |
| 08/04/1987 | US4684332 Ratio pump and method |
| 07/29/1987 | EP0230312A2 Method and device for proportioning and mixing multicomponent plastics, especially polyurethane |
| 07/29/1987 | CN86207398U Manual well suction pump |
| 07/29/1987 | CN86204453U Manual liquid suction pump |
| 07/29/1987 | CN86100266A Manually operated trigger type dispenser |
| 07/28/1987 | US4682937 Double-acting diaphragm pump and reversing mechanism therefor |
| 07/28/1987 | CA1224671A1 Pump for supplying a liquid additive to a flow of liquid |
| 07/22/1987 | EP0229401A1 Overhead irrigation device |
| 07/21/1987 | US4681518 Single-acting, gas operated pump |
| 07/14/1987 | US4679409 Absorption refrigeration cycle |
| 07/14/1987 | CA1224082A1 Constant-flow-rate dual-unit pump |
| 07/02/1987 | WO1987003936A1 Pump |
| 07/01/1987 | EP0227256A2 Jack combined with an air pump and using a common drive motor |
| 07/01/1987 | EP0226737A2 Pump actuation device, especially liquid dosing pump |
| 06/30/1987 | US4676724 Mud pump |
| 06/25/1987 | DE3545262A1 Appliance for reciprocating-oil equalisation in a concrete pump |
| 06/25/1987 | DE3543978A1 Oil filtering system, especially for a vacuum pump |
| 06/24/1987 | EP0226070A2 Pump arrangement for delivering measured quantities of at least two components |
| 06/23/1987 | US4674659 Universal sequential dispensing pump system |
| 06/16/1987 | CA1222941A1 Single stage liquid motor and pump |
| 06/11/1987 | DE3543030A1 Control valve arrangement, in particular for the control of a contaminated flow of pressure medium |
| 06/09/1987 | US4671746 Base component for a fluid transfer device and method of making the component |
| 06/09/1987 | US4671743 Piston pump |
| 06/03/1987 | CN86204432U Manual pedaled water pump |
| 06/02/1987 | US4669951 Air operated motor |
| 05/27/1987 | EP0223568A2 Ratio pump |
| 05/21/1987 | WO1987003046A1 Multiple machine drive shaft and coupling adapter assembly |
| 05/20/1987 | EP0222007A1 Fluid pressure intensifier |
| 05/19/1987 | US4667115 Energy machine generating hydraulic energy |
| 05/19/1987 | US4666374 Methods and apparatus for producing uniform discharge and suction flow rates |
| 05/13/1987 | EP0221237A1 Manual liquid dispenser |
| 05/06/1987 | CN86202715U Multi-purpose foot pump |