| 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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| 08/20/1998 | DE19706513A1 Apparatus for micro dosing |
| 08/04/1998 | US5787940 Cryogenic fluid system and method of pumping cryogenic fluid |
| 07/14/1998 | US5779868 Useful for transporting materials using electrokinetic force through channels of microfluidic system |
| 07/14/1998 | US5779452 Positive displacement pump or motor utilizing a reciprocal sliding member to operate the suction and discharge ports |
| 07/08/1998 | CN2285830Y Energy-saving air compressor driven by diesel engine directly |
| 07/08/1998 | CN2285829Y Pneumatic reciprocating drainage pump |
| 06/30/1998 | US5772410 Linear compressor with compact motor |
| 06/25/1998 | WO1998016739A3 Fluid displacement system |
| 06/11/1998 | WO1998024544A1 Laminated assembly for active bioelectronic devices |
| 06/11/1998 | CA2274047A1 Laminated assembly for active bioelectronic devices |
| 06/02/1998 | US5759019 Filament fiber impregnated with a thermosetting resin |
| 06/02/1998 | US5758666 Reciprocating pump with imperforate piston |
| 05/27/1998 | CN2282607Y Pressure regulating water flooding pump |
| 05/20/1998 | DE19645500A1 Hermetically-sealed thermodynamic positive-displacement pump |
| 05/06/1998 | EP0840010A2 Plunger pump |
| 05/06/1998 | EP0839279A1 Axial piston micropump |
| 04/28/1998 | US5742954 Electrically powered spa jet unit |
| 04/23/1998 | WO1998016739A2 Fluid displacement system |
| 04/23/1998 | CA2266452A1 Fluid displacement system |
| 04/01/1998 | EP0833055A2 Liquid pump |
| 04/01/1998 | CN2277458Y Automatic sealing pipeless submersible pump |
| 03/31/1998 | CA2113043C Scroll compressor unloader valve |
| 03/05/1998 | DE19635424A1 High pressure displacement pump |
| 03/04/1998 | EP0826109A2 Fluid pump without non-return valves |
| 03/03/1998 | US5722930 Reciprocating pump circulatory assist arrangement |
| 03/03/1998 | US5722817 Noise-reducing apparatus for linear compressor |
| 03/03/1998 | US5722429 Connecting arrangement for medical device |
| 02/24/1998 | US5720177 Multichambered pump for a vapor compression refrigeration system |
| 02/18/1998 | CN1173588A 流体机械 Fluid Machinery |
| 01/22/1998 | DE19624271C1 Fluid pump with pump body |
| 01/08/1998 | WO1998000705A1 Electropipettor and compensation means for electrophoretic bias |
| 01/07/1998 | EP0815940A2 Electropipettor and compensation means for electrophoretic bias |
| 12/30/1997 | US5702430 Surgically implantable power supply |
| 12/29/1997 | EP0813654A1 Pump for conveying a medium |
| 12/17/1997 | CN2270823Y High Pressure multipoint hydraulic grease lubricating pump |
| 12/03/1997 | EP0689645B1 Portable, battery operated air pump |
| 12/02/1997 | US5693091 Artificial heart and method of maintaining blood flow |
| 11/20/1997 | WO1997043629A1 Electrokinetic pumping |
| 11/20/1997 | CA2253755A1 Electrokinetic pumping |
| 10/30/1997 | WO1997040273A1 Progressive cavity pumps using composite materials |
| 10/30/1997 | WO1997024528A3 Multichannel microdosing apparatus |
| 10/30/1997 | DE19616300A1 Eye drop application |
| 10/29/1997 | CN2266046Y Sand-removing slurry lift pump |
| 10/22/1997 | CN2265439Y Long-distance no-wearing slag pulp pump |
| 10/14/1997 | US5676651 Surgically implantable pump arrangement and method for pumping body fluids |
| 10/14/1997 | US5676162 Reciprocating pump and linear motor arrangement |
| 10/01/1997 | CN2263718Y Complete hydraulic stability soil power automatic matching device |
| 09/17/1997 | CN2262613Y Through-shaft type axial plunge pump |
| 09/03/1997 | CN2261517Y Oilless air compressor |
| 09/02/1997 | US5662459 Pressurized gas driven liquid pump having the outlet pipe connected to a variable buoyant float |
| 08/27/1997 | EP0791369A1 Pump |
| 08/27/1997 | EP0791238A1 Liquid distribution system |
| 08/14/1997 | WO1997029283A1 Micromachined filter for a micropump |
| 08/13/1997 | CN2259503Y Manual grouting pressure pump |
| 08/12/1997 | US5655891 For a viscous rubber-like material |
| 08/12/1997 | US5655889 Combined variable volume air pump and peristalic pump |
| 07/30/1997 | CN1155629A Exhaust-sucking-exhaust cycling apparatus |
| 07/10/1997 | WO1997024528A2 Multichannel microdosing apparatus |
| 07/01/1997 | US5644177 Micromechanical magnetically actuated devices |
| 06/26/1997 | WO1997022806A1 Device for moving a liquid, particularly under low gravity conditions |
| 06/17/1997 | US5639226 Portable, battery operated air pump |
| 06/04/1997 | CN2255506Y Beam-pumping unit |
| 05/27/1997 | US5632876 Apparatus and methods for controlling fluid flow in microchannels |
| 05/09/1997 | WO1997010435A3 Fluid pump without non-return valves |
| 05/07/1997 | EP0710327B1 High pressure pump system and method of operation thereof |
| 04/16/1997 | CN2252253Y Direct-axis plunger mud pump |
| 04/15/1997 | US5620313 Worm pump for flowable media |
| 04/08/1997 | US5619232 Maintenance station of ink jet printer and cap and pump included therein |
| 04/02/1997 | CN2251051Y Stable four-cylinder radial plunger oil pump |
| 04/02/1997 | CN1146533A Noise-reducing device for linear compressor |
| 04/01/1997 | US5616014 Power grease pump |
| 03/26/1997 | CN2250434Y Pulse plug flow pneumatic transport pump |
| 03/20/1997 | WO1997010435A2 Fluid pump without non-return valves |
| 03/05/1997 | EP0760059A1 Low power electromagnetic pump |
| 02/18/1997 | US5603351 Method and system for inhibiting cross-contamination in fluids of combinatorial chemistry device |
| 02/06/1997 | WO1997004233A1 Axial piston micropump |
| 02/04/1997 | US5599502 For measuring biological materials |
| 01/30/1997 | WO1996042004A3 Method and system for inhibiting cross-contamination in fluids of combinatorial chemistry device |
| 01/29/1997 | CN2246199Y Ceramic high speed plunger pump |
| 01/16/1997 | DE19525852A1 Axialkolben-Mikropumpe Axial piston micropump |
| 01/14/1997 | US5593290 Micro dispensing positive displacement pump |
| 12/27/1996 | WO1996042004A2 Method and system for inhibiting cross-contamination in fluids of combinatorial chemistry device |
| 12/18/1996 | EP0748235A1 Reciprocating pump arrangement |
| 12/17/1996 | US5584914 Membrane deaerator apparatus |
| 12/12/1996 | WO1996039260A1 Method of producing micro-electrical conduits |
| 12/12/1996 | WO1996039252A1 Electrokinetic pumping |
| 12/12/1996 | CA2223166A1 Method of producing micro-electrical conduits |
| 12/12/1996 | CA2223099A1 Electrokinetic pumping |
| 12/11/1996 | CN2242356Y Inflating pump |
| 12/04/1996 | CN2241782Y Double-pressure combined pump |
| 11/20/1996 | EP0743451A1 Cryogenic pump |
| 11/19/1996 | US5575626 Cryogenic pump |
| 10/30/1996 | EP0740075A1 Screw pump |
| 10/23/1996 | CN1133944A Screw pump for conveying flowable material |
| 10/09/1996 | EP0736686A1 Fuel injection pump control |
| 10/08/1996 | US5562428 Fuel injection pump having an adjustable inlet poppet valve |
| 10/08/1996 | CA2167461A1 Fuel injection pump control |
| 09/18/1996 | CN1131235A Liquid pump |
| 09/03/1996 | US5551488 Method of filling a two-compartments storage tank with cryogenic fluid |
| 08/20/1996 | US5547347 For dispersing a gas into a liquid |