| Patents for F04B 45 - Pumps or pumping installations having flexible working members and specially adapted for elastic fluids (2,191) |
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| 05/25/2000 | DE19853050A1 Vacuum braking pressure amplifier vacuum pump has deflectable membrane bounding working chamber, actuator coupled to membrane with armature moved by electromagnetic coil |
| 05/18/2000 | WO2000028215A1 Electrostatically actuated pumping array |
| 05/18/2000 | WO2000028212A1 Method for conveying damp gases by means of a conveyor device and conveyor device for carrying out said method |
| 05/18/2000 | DE19851680A1 Verfahren zum Fördern feuchter Gase mittels einer Fördereinrichtung sowie Fördereinrichtung zum Durchführen dieses Verfahrens A method for conveying moist gases by means of a conveyor and conveyor for carrying out this method |
| 05/11/2000 | DE19848322A1 Sanitärwanne mit Luftsprudeleinrichtung A bathroom bath with air massage device |
| 05/09/2000 | US6059543 Pump appliance, in particular for a tank system of an internal combustion engine |
| 05/04/2000 | WO2000025024A1 Electromagnetic blower and two-channel air supply device |
| 04/26/2000 | EP0995418A2 Aerated bath |
| 04/13/2000 | DE19851859C1 Vacuum pump for motor vehicle brake servo has releasable drive coupling actuated by diaphragm exposed to operating vacuum |
| 03/14/2000 | US6035660 Refrigerated beverage mug |
| 03/09/2000 | WO2000012896A1 Flexible cell assembly |
| 01/20/2000 | WO2000003141A1 Small pump device and sphygmomanometer using the pump device |
| 01/19/2000 | EP0972938A2 Gas ballast device for a multistage positive displacement pump |
| 01/13/2000 | DE19831123A1 Gasballasteinrichtung für mehrstufige Verdrängerpumpen Gas ballast for multi-stage displacement pumps |
| 01/12/2000 | CN2358249Y Miniature air pump |
| 12/28/1999 | US6007307 Air pump with noise reduction partitions in the housing |
| 12/23/1999 | WO1999066628A1 Magnetic actuator |
| 12/21/1999 | US6004116 Air pump for an inflatable body having a safety holding device |
| 12/08/1999 | CN2352721Y Air sack type pipet |
| 12/08/1999 | CN2352720Y Oil-less inflator with flexible diaphragm |
| 12/02/1999 | WO1999051882A9 Diaphragm pump and pump for double-breast pumping |
| 10/28/1999 | WO1999053984A1 Ventilation apparatus |
| 10/27/1999 | EP0846007A4 Diaphragm pump and pump mounted in a carrying case useful in breast pumping |
| 10/14/1999 | WO1999051882A1 Diaphragm pump and pump for double-breast pumping |
| 09/29/1999 | CN2340934Y Structure of magnetic impulsive piston pump |
| 08/10/1999 | US5934888 Aspirator pump |
| 07/28/1999 | EP0931939A2 Vacuum pump |
| 07/13/1999 | US5921757 Piezoelectric fan |
| 07/01/1999 | WO1999020903A3 A diaphragm compressor |
| 06/30/1999 | CN2326751Y Power-less air-supply pump for aqualung |
| 06/23/1999 | CN2325551Y Telescopic type pump |
| 06/16/1999 | CN1219993A Diaphragm mechanism for air driven diaphragm pump |
| 04/29/1999 | WO1999020903A2 A diaphragm compressor |
| 04/29/1999 | WO1999020902A1 Air pump, air chamber device, and wrist watch provided with air chamber device |
| 04/21/1999 | CN2315331Y Air sac of electromagnetic air pump |
| 04/20/1999 | US5895208 Reciprocating piston machine with capillary passages on valves for pressure relief |
| 03/30/1999 | US5888056 Diaphragm pump |
| 03/02/1999 | US5876190 Vacuum membrane pump and a head portion for a vacuum membrane pump |
| 02/03/1999 | EP0859912A4 Air driven diaphragm pump |
| 01/13/1999 | EP0890016A1 Diaphragm mechanism for an air driven diaphragm pump |
| 01/13/1999 | CN1204734A Air pump |
| 01/05/1999 | CA2086089C A method and device for producing compressed air and a wataer pumping device using the compressed air |
| 12/30/1998 | EP0887552A2 Air pump |
| 12/30/1998 | EP0887478A2 Vacuum toilet system |
| 12/02/1998 | EP0880650A1 Fluid circulator with a vibrating membrane |
| 10/27/1998 | US5827052 Air pump |
| 10/14/1998 | EP0745187B1 Air treating device having a bellows compressor |
| 10/08/1998 | DE19809804A1 Delivery membrane pump for arbitrary delivery pressures and powers |
| 10/08/1998 | DE19801714A1 Low pressure compressor for gaseous media, especially ambient air |
| 09/02/1998 | EP0861142A1 Pump, pump and holder assembly, personal-care appliance, and method of assembling a pump |
| 08/26/1998 | EP0860667A1 Conditioning system of components operating at cryogenic temperature |
| 08/26/1998 | EP0859912A1 Air driven diaphragm pump |
| 08/11/1998 | US5792744 Proteins from mammalian liver |
| 07/07/1998 | US5776098 Diaphragm pump and pump mounted in a carrying case useful in breast pumping |
| 06/16/1998 | US5765997 Bubble generator for a washing machine |
| 06/16/1998 | US5765538 Pump device for a fuel vapor retention system of an internal combustion engine |
| 06/10/1998 | EP0846007A1 Diaphragm pump and pump mounted in a carrying case useful in breast pumping |
| 06/03/1998 | EP0845594A2 Air Pump |
| 05/26/1998 | US5755223 Delivery device for a respirator |
| 04/29/1998 | EP0838591A1 Inhalation apparatus compressor with improved diaphragmassembly |
| 04/28/1998 | US5743170 Diaphragm mechanism for an air driven diaphragm pump |
| 03/25/1998 | EP0830902A2 Pump unit (paint system) |
| 02/11/1998 | CN1172905A Diaphragm pump |
| 01/14/1998 | CN2272498Y Pressing pump of corrugated pipe type |
| 01/07/1998 | EP0816677A2 Reciprocating pump |
| 01/02/1998 | DE19625704A1 Vehicle tank pressure measuring process for leak testing |
| 12/11/1997 | WO1997046807A1 Force machine |
| 11/26/1997 | CN1165698A Conveyer for respirator |
| 11/20/1997 | DE19639555C1 Reciprocating machine such as membrane pump or piston compressor |
| 10/29/1997 | EP0803258A2 Suction pump |
| 10/21/1997 | US5678309 Process for preparing a leaf-shaped oscillatory spring for electric diaphragm pumps |
| 10/16/1997 | DE19620231C1 Seal diagnosis method for fuel venting system in automobile |
| 10/14/1997 | US5676527 Air pump having an adjustable stroke |
| 10/02/1997 | WO1997036092A1 Diaphragm mechanism for an air driven diaphragm pump |
| 09/24/1997 | CN2263211Y 隔膜泵 Diaphragm |
| 08/27/1997 | CN1158154A Air treating device having a bellows compressor |
| 08/14/1997 | WO1997029282A1 Fluid circulator with a vibrating membrane |
| 08/13/1997 | CN1157024A Pumping device |
| 07/16/1997 | EP0722284B1 Inflatable article, in particular an air mattress, with a part which acts as a pump and a part which is pumped up by the pump |
| 07/09/1997 | EP0783077A1 Diaphragm vacuum pump and cylinder head for a diaphragm vacuum pump |
| 07/08/1997 | US5645407 Balanced single stage linear diaphragm compressor |
| 07/01/1997 | US5642576 Suction dredge pump apparatus |
| 06/25/1997 | CN1152924A Proteins from mammaliam liver and their use in oncology |
| 06/18/1997 | EP0778921A1 Pumping device |
| 05/15/1997 | WO1997017541A1 Air driven diaphragm pump |
| 05/02/1997 | EP0770093A1 Proteins from mammalian liver and their use in oncology |
| 04/17/1997 | DE19614225C1 Delivery device for feeding breathing gas to breathing assembly |
| 04/17/1997 | DE19538339A1 Compact air compressor for motor vehicle |
| 03/04/1997 | US5607290 Air driven diaphragm pump |
| 03/04/1997 | US5606756 Air bedding system with diaphragm pump |
| 02/20/1997 | WO1997005913A1 Diaphragm pump and pump mounted in a carrying case useful in breast pumping |
| 01/23/1997 | WO1997002421A1 Pumping device |
| 01/22/1997 | EP0754857A1 Reciprocating diaphragm pump |
| 01/15/1997 | EP0753664A1 Pump fluid flow controller |
| 01/12/1997 | CA2151177A1 Air controller for air pump |
| 01/02/1997 | DE19523935A1 Pumpvorrichtung Pumping device |
| 12/31/1996 | US5588811 Air bed diaphragm pump |
| 12/27/1996 | WO1996041955A1 Squeezebulb operated sports ball pump |
| 12/17/1996 | US5584669 Two-stage positive displacement pump |
| 12/05/1996 | DE19519763A1 Inhaler compressor membrane fixed between plates |