| Patents for F04B 7 - Piston machines or pumps characterised by having positively-driven valving (2,226) |
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| 11/09/1995 | WO1995030088A1 Thick matter pump |
| 11/09/1995 | WO1995030087A1 Rapid clean-out valve assembly |
| 11/02/1995 | EP0679443A1 Dispensing pump |
| 11/02/1995 | DE19514750A1 Pump for viscous fluid |
| 10/31/1995 | US5462416 Peristaltic pump tube cassette for blood processing systems |
| 10/27/1995 | CA2147566A1 Dispensing pump |
| 10/10/1995 | US5456581 Control system for a multi-piston pump with solenoid valves for the production of constant outlet pressure flow |
| 10/03/1995 | US5454698 Plunger pump system with shuttle valve |
| 09/28/1995 | DE4409994A1 Piston displacement pump |
| 09/27/1995 | CN1109144A Discharge pump and method for discharging fluid by the same |
| 09/14/1995 | DE4408023A1 Dough slicer with rubber-sprung metal seals |
| 09/13/1995 | EP0671070A1 Linear actuator with feedback position sensor device |
| 08/01/1995 | US5438510 User interface and monitoring functions for automated peritoneal dialysis systems |
| 07/06/1995 | WO1995018304A1 Slide valve for a twin-cylinder pump for viscous fluids |
| 06/29/1995 | WO1995017603A1 Peristaltic pump tube cassette for blood processing systems and the like |
| 06/29/1995 | CA2155736A1 Peristaltic pump tube cassette for blood processing systems and the like |
| 06/28/1995 | EP0659236A1 Self-cleaning reciprocating and/or rotating device |
| 06/14/1995 | EP0656995A1 Tube switch for a double-cylinder sludge pump. |
| 06/01/1995 | WO1995014862A1 Reciprocating pump |
| 06/01/1995 | DE4337326A1 Piston pump with flanged stroke profile |
| 05/24/1995 | EP0654278A2 Volumetric pump/valve |
| 05/23/1995 | CA2033253C Phase adjustable metering pump, and method of adjusting the flow rate thereof |
| 05/23/1995 | CA2032019C Valveless, positive displacement pump including living hinge foe angular adjustment, and method of making same |
| 05/16/1995 | US5415489 Reciprocating driver apparatus |
| 05/11/1995 | WO1995012758A1 Positive displacement pump or motor |
| 05/11/1995 | CA2175369A1 Positive displacement pump or motor |
| 05/10/1995 | EP0652369A1 Positive displacement pump |
| 04/13/1995 | DE4401198A1 Device for converting a rotary motion into a reciprocating motion or vice versa and a pump produced by this means |
| 04/13/1995 | DE4334477A1 Device for converting a rotary motion into a reciprocating motion and vice versa |
| 04/04/1995 | US5403167 Structure of liquefield hydrogen pump |
| 03/30/1995 | WO1995008860A1 Linear actuator with feedback position sensor device |
| 03/29/1995 | EP0644782A1 Automated peritoneal dialysis system with detector for recognition of empty supply reservoir and tubing occlusion |
| 03/16/1995 | DE4330574A1 Metering pump for lubricants |
| 03/15/1995 | EP0643253A1 Mist lubrication system for an oil or grease air lubrication |
| 03/02/1995 | DE4328742A1 Booster pump (charging pump, supercharger) |
| 02/28/1995 | US5393434 Liquid chromatography method |
| 02/28/1995 | US5393420 Liquid chromatography system |
| 02/07/1995 | CA2032240C Multi-port valveless pump |
| 02/02/1995 | WO1995003491A1 Continuous conveying process and device for shear-sensitive fluids |
| 02/02/1995 | WO1995003490A1 Hydraulically actuated cylinder valve |
| 02/02/1995 | WO1995003198A1 Hydraulic braking system with skid and drive slip control |
| 01/31/1995 | US5385992 Cylinder, piston and freely traveliing intermediate pipe having transmission opening |
| 01/26/1995 | WO1995002764A1 High pressure pump system and method of operation thereof |
| 01/19/1995 | DE4323797A1 Arrangement for regulating the lubricating-grease feed quantity to bearing sections |
| 01/18/1995 | EP0634223A1 Improved liquid suction and exhaust device and apparatus for dispersing liquid comprising such a device |
| 01/10/1995 | US5380174 Pump for thick matter having delivery cylinders, in particular a two-cylinder concrete pump |
| 01/05/1995 | DE4323800C1 Control arrangement for a pressure mechanism of an S-shaped slide valve |
| 01/04/1995 | EP0631873A1 Maintenance station and method of driving the same |
| 12/28/1994 | EP0537224B1 Feeding reservoir for thick matter, two-cylinder pump |
| 11/22/1994 | US5366355 Positive displacement pump |
| 11/16/1994 | CN2182889Y Double direction and pressure-increasing cylinder |
| 11/01/1994 | US5360321 Feeding reservoir for two-cylinders thick-matter pumps |
| 10/20/1994 | DE4312498A1 Feed pump |
| 10/13/1994 | WO1994022409A1 Bidirectional piston pump and its use |
| 10/11/1994 | US5353838 Pressurized diaphragm pump and directional flow controller therefor |
| 10/06/1994 | DE4310888A1 Metering pump for delivering and metering composition |
| 09/15/1994 | WO1994020157A1 Automated peritoneal dialysis system with detector for recognition of empty supply reservoir and tubing occlusion |
| 09/14/1994 | EP0615126A2 Solvent pumping system |
| 09/13/1994 | US5346119 Work pieces having a wear resistant coating produced by brazing and process for producing same |
| 09/06/1994 | US5344290 Method and device for controlling a double-cylinder thick matter pump |
| 08/31/1994 | CN1091499A Adhesive material pump with rotative dispensing mechanism |
| 08/24/1994 | CN1025754C Port plate of low-noise axial plunger pump |
| 08/18/1994 | WO1994018501A1 Process for conveying thick matter containing preshredded scrap metal or similar solids |
| 08/18/1994 | CA2154875A1 Process for conveying thick matter containing preshredded scrap metal or similar solids |
| 08/16/1994 | US5338160 Individual controllable cylinder-plunger assemblies of a radial piston pump |
| 08/04/1994 | DE4341607A1 Transport system for shredded scrap-metal in viscous material |
| 07/26/1994 | US5332368 Air compressor having a high pressure output |
| 07/20/1994 | EP0606980A2 Liquid chromatography system |
| 07/20/1994 | CN1089691A Mud pump with supplying cylinder, especially concret pump with double cylinders |
| 07/19/1994 | US5330331 Metering pump for highly viscous fillings |
| 07/19/1994 | US5330327 Transfer tube material flow management |
| 07/06/1994 | EP0604888A1 Pump for viscous substances with a rotary gate valve |
| 07/01/1994 | CA2112730A1 Pump for viscous matter, comprising a rotative distribution device |
| 06/29/1994 | CN1088664A Concrete pump with conveying cylinder, especially double-cylinders concrete pump |
| 06/23/1994 | WO1994013488A1 Maintenance station and method of driving the same |
| 06/23/1994 | DE4242420A1 Pump for vehicle hydraulic antilock braking system |
| 05/31/1994 | US5316453 Slurry pump with discharge cylinders, especially two-cylinder concrete pump |
| 05/19/1994 | DE4339178A1 Pump for liquid hydrogen - Has reciprocating cylinder driven by crank with internal piston supported by frame on universal joint |
| 05/18/1994 | CN1086879A Unit for sealing of relative sliding surface of S shaped sluice valve of concrete pump |
| 05/17/1994 | US5312233 Linear liquid dispensing pump for dispensing liquid in nanoliter volumes |
| 05/17/1994 | CA1329576C Bellows pump for a gas-testing tube |
| 04/26/1994 | US5306428 Method of recovering energy from reverse osmosis waste streams |
| 04/19/1994 | US5304041 Method and device for dosing pumping |
| 04/13/1994 | EP0592006A1 Tube pump mechanism for ink jet recording apparatus |
| 04/13/1994 | EP0591449A1 Apparatus for calibrating a multiple port pump |
| 04/12/1994 | US5302094 Tube switch for a double-cylinder sludge pump |
| 04/05/1994 | US5299446 Method and apparatus for calibrating a multiple port pump |
| 03/17/1994 | WO1994005910A1 Self-cleaning reciprocating and/or rotating device |
| 03/09/1994 | EP0586280A1 Apparatus for flow injection analysis and processes for using same |
| 03/03/1994 | WO1994004821A1 Tube switch for a double-cylinder sludge pump |
| 03/03/1994 | DE4228498A1 Oscillating rotary piston pump without valves - has guide on piston above pump chamber, and rotating eccentric above guide |
| 03/03/1994 | CA2136611A1 Tube switch for a double-cylinder sludge pump |
| 03/02/1994 | EP0584453A1 Pump for solid materials |
| 02/25/1994 | CA2104620A1 Apparatus for flow injection analysis and process for using same |
| 02/02/1994 | EP0491809B1 Radial piston pump |
| 01/25/1994 | US5281113 Thick materials pump with paired, preferably parallel feed cylinders which alternatingly deliver and intake |
| 01/18/1994 | US5279210 Fluid control system |
| 01/13/1994 | DE4322805A1 Slide surface seal for S=shape valve in concrete pump - has concrete hydraulic cylinder to position coupling between slide disk and ring |
| 01/11/1994 | US5277561 For conveying a fluid |
| 01/05/1994 | EP0576503A1 Method for the dosage of a fluidized polymerization catalyst into a polymerization reactor. |