| Patents for F04B 19 - Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups (2,867) |
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| 08/14/1996 | EP0725896A1 Positive displacement pump or motor |
| 07/24/1996 | EP0723081A1 Anger pump for conveying fluid material |
| 07/24/1996 | CN2231720Y Multi-point dry-oil automatic lubricating pump |
| 07/23/1996 | US5538398 Hand operated bicycle pump |
| 07/17/1996 | CN1032326C IC engine |
| 07/16/1996 | US5535918 Liquid-containing vessel |
| 07/11/1996 | WO1996021108A1 Pump for conveying a medium |
| 06/26/1996 | CN1032152C Entrainment pump for viscous fluids, particularly suitable for lubricating dobbles, and looms |
| 06/25/1996 | US5529463 Pumping apparatus for perfusion and other fluid catheterization procedures |
| 06/11/1996 | USRE35266 Flexible conveyor assembly and conveying apparatus and method for lifting fluid |
| 06/06/1996 | WO1996017172A1 Integrated electrical discharge microactuator and microsystem comprising same |
| 05/23/1996 | WO1996015576A1 Liquid distribution system |
| 05/21/1996 | US5518377 Vertical metering pump having piston biasing elastomeric gasket |
| 05/15/1996 | CN1122414A Positive-displacement pump with spool |
| 05/08/1996 | EP0710327A1 High pressure pump system and method of operation thereof |
| 04/30/1996 | CA2084271C Hermetic compressor oil separating baffle |
| 04/24/1996 | EP0708243A1 Pump for feeding fluids |
| 04/10/1996 | EP0613527B1 Piston machine for use as a compressor or motor |
| 04/04/1996 | DE19501441C1 Multi=flow eccentric screw pump |
| 03/27/1996 | EP0703364A1 Method and device for driving a micropump |
| 03/20/1996 | CN1119035A Portable battery operated air pump |
| 03/06/1996 | EP0699838A1 Liquid pump |
| 02/14/1996 | EP0696480A1 Membrane pump |
| 01/16/1996 | US5484268 Positive displacement centrifugal pump |
| 01/11/1996 | WO1996000849A1 Micropump |
| 01/11/1996 | WO1995023000A3 Reciprocating pump arrangement |
| 01/04/1996 | DE4422743A1 Mikropumpe Micropump |
| 01/03/1996 | EP0690229A1 Positive displacement pump with a rotary valve |
| 01/03/1996 | EP0689645A1 Portable, battery operated air pump |
| 01/02/1996 | US5479846 Machine for exchanging energy |
| 12/29/1995 | CA2152145A1 Positive-displacement pump with servo valve |
| 12/26/1995 | US5477690 Liquid cryogenic storage tank system |
| 12/13/1995 | EP0555273B1 A two-stage pump for a continuous ink jet printer |
| 11/15/1995 | EP0681654A1 Sealless rotodynamic pump |
| 11/15/1995 | CN2212667Y Animal water lifter |
| 11/14/1995 | US5466128 High aspect ratio, remote controlled pumping assembly |
| 10/18/1995 | CN2210263Y Single stage single suction arm type centrifugal oil pump |
| 10/10/1995 | US5456583 Liquid pump |
| 09/21/1995 | WO1995025223A1 Low power electromagnetic pump |
| 09/21/1995 | DE19507149A1 Water force screw conveyor |
| 09/20/1995 | EP0671980A1 Dispensing device |
| 08/31/1995 | WO1995023000A2 Reciprocating pump arrangement |
| 08/31/1995 | CA2183666A1 Reciprocating pump arrangement |
| 08/28/1995 | EP0681654A4 Sealless rotodynamic pump. |
| 07/05/1995 | EP0661452A1 Compressor or vacuum pump |
| 06/13/1995 | US5423415 Surface assembly for rope pumps |
| 05/16/1995 | US5415529 Linear-induction electromagnetic machine with optimized magnetic flux distribution and use |
| 05/11/1995 | WO1995012758A1 Positive displacement pump or motor |
| 05/11/1995 | CA2175369A1 Positive displacement pump or motor |
| 05/02/1995 | US5411374 Cryogenic fluid pump system and method of pumping cryogenic fluid |
| 01/26/1995 | WO1995002764A1 High pressure pump system and method of operation thereof |
| 01/26/1995 | WO1994023201A3 Cryogenic fluid pump and tank apparatus and method |
| 01/17/1995 | US5381861 Drive head for flexible conveyor fluid lifting system |
| 01/10/1995 | US5380164 Two-stage pump for a continuous ink jet printer |
| 01/04/1995 | EP0631873A1 Maintenance station and method of driving the same |
| 12/27/1994 | US5375983 For use as an energy source |
| 12/27/1994 | US5375979 Thermal micropump with values formed from silicon plates |
| 11/08/1994 | US5362213 Micro-pump and method for production thereof |
| 11/08/1994 | US5362210 Scroll compressor unloader valve |
| 10/13/1994 | WO1994023201A2 Cryogenic fluid pump and tank apparatus and method |
| 10/13/1994 | WO1994012285A3 Dispensing device |
| 10/06/1994 | DE4310888A1 Metering pump for delivering and metering composition |
| 10/06/1994 | DE4310267A1 Device for cleaning articles |
| 10/05/1994 | CN1026147C Single-cylinder, double-acting hydraulic mud pump |
| 10/04/1994 | US5351657 Modular power unit |
| 09/15/1994 | WO1994020755A1 Portable, battery operated air pump |
| 08/03/1994 | CN1090208A Dispensing device |
| 06/23/1994 | WO1994013488A1 Maintenance station and method of driving the same |
| 06/22/1994 | CN2169704Y Alarm type lubricating oil pump |
| 06/21/1994 | US5322418 High pressure liquid pump apparatus and pumping method |
| 06/09/1994 | WO1994012285A2 Dispensing device |
| 06/08/1994 | EP0600759A1 Linear electromagnetic induction machine with an optimised magnetic-flux distribution and application |
| 05/26/1994 | DE4239464A1 Electrothermal static micro-pump with fluid-pressure-operated valve - drives liq. past resilient flap into outlet by expansion of vapour bubble generated by electric heating element |
| 05/18/1994 | CN2165256Y Vertical pneumatic screw pump |
| 05/04/1994 | CN2163884Y 气液混合泵 Gas-liquid mixing pump |
| 04/28/1994 | WO1994009274A1 Sealless rotodynamic pump |
| 04/13/1994 | EP0591229A1 Flexible conveyor assembly and conveying apparatus and method for lifting fluid |
| 03/08/1994 | US5291970 Entrainment pump for viscous fluids, particularly suitable for lubricating dobbies and looms |
| 03/02/1994 | CN2157995Y Alternating direct-current gas pump |
| 03/02/1994 | CN1083179A Spraying pump |
| 03/02/1994 | CN1023911C Multipurpose pump for inflating and sucking liquid |
| 02/17/1994 | WO1994003397A1 Improvement to membrane type deaerator |
| 02/10/1994 | DE4225585A1 Combustion engine with counter-rotating plates - has series of walls formed on plates to create working chambers |
| 02/10/1994 | DE4223952A1 Water supply and pumping station using Archimedes screw driven by water turbine - uses water lifted to set into motion water bucket chain coupled to electric generator with released flow energy used for turbine drive |
| 02/01/1994 | US5282740 Portable heat conducting apparatus |
| 01/26/1994 | EP0580196A1 Pump comprising a partially hollow piston |
| 01/25/1994 | US5281110 Hermetic compressor oil separating baffle |
| 01/21/1994 | CA2100837A1 Pump comprising a partially hollow piston, and its applications especially in the petroleum industry |
| 12/23/1993 | DE4220077A1 Micro-pump for delivery of gases - uses working chamber warmed by heating element and controlled by silicon wafer valves. |
| 12/07/1993 | US5267836 Madreporitic resonant pump |
| 12/01/1993 | CN2148192Y Light-duty man-power water pumper |
| 11/18/1993 | DE4223019C1 Electromechanical valveless microminiature pump - has membrane actuator for applying oscillation perpendicular to fluid flow and anisotropic structure e.g. mfd by etching of silicon wafer. |
| 11/16/1993 | US5261358 Internal combustion engine |
| 11/03/1993 | EP0568024A2 Liquid moving method, liquid moving and measuring apparatus utilizing the same |
| 11/03/1993 | CN2145270Y Drawing apparatus of hoist with long service life |
| 11/02/1993 | US5257640 Fine pressure control system for high pressure gas |
| 10/20/1993 | CN1077521A Pumping apparatus |
| 10/06/1993 | EP0564394A1 Pressure testing pump |
| 10/05/1993 | US5249929 Liquid chromatographic pump |
| 09/21/1993 | US5246076 Methods and apparatus for controlling long-stroke pumping units using a variable-speed drive |