| Patents for F04B 41 - Pumping installations or systems specially adapted for elastic fluids (2,502) |
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| 09/09/2009 | CN201306263Y Multifunctional micro air compressor with a telescopic driving handle |
| 09/09/2009 | CN101526077A Air compressor |
| 09/09/2009 | CN101525776A Air generating mechanism for pre-network devices for polyamide composite filaments |
| 08/27/2009 | WO2006106891A8 Pressure accumulating apparatus |
| 08/26/2009 | EP2093424A1 Compressor device with add-on module |
| 08/20/2009 | WO2009100884A1 Method and device for supplying a compressor in an internal combustion engine with compressed air |
| 08/20/2009 | US20090210294 Air Compressor and Work Management Data Collection System |
| 08/20/2009 | US20090208345 Sump pump with emergency backup system |
| 08/20/2009 | US20090205718 Valve connector |
| 08/20/2009 | DE102008008721A1 Verfahren und Vorrichtung zum Versorgen eines Kompressors mit Druckluft bei einer Verbrennungskraftmaschine Method and apparatus for supplying compressed air at a compressor with an internal combustion engine |
| 08/20/2009 | CA2715091A1 Method and device for supplying a compressor in an internal combustion engine with compressed air |
| 08/19/2009 | EP2089663A1 A compressor |
| 08/19/2009 | CN100529394C Portable high-pressure oil-free gas compressor |
| 08/13/2009 | US20090199789 On demand, stored, positive pressurized air injection for internal combustion engines combustion chambers |
| 08/12/2009 | EP2088321A1 Compressor device with a condensate release valve |
| 08/12/2009 | EP2088320A2 Air compressor |
| 08/12/2009 | CN100526756C Apparatus for switching air conditioner refrigerant pipes |
| 08/05/2009 | CN101498293A Gas power compression system |
| 08/05/2009 | CN101497247A Sealant bottle snap-in feature for vehicle temporary mobility kit |
| 07/30/2009 | WO2009092533A1 Utility vehicle with a cooled compressor and method for cooling a compressor |
| 07/30/2009 | WO2009092531A1 Compressor with a hydraulic pump and method for producing a compressor with a hydraulic pump |
| 07/29/2009 | CN101495754A System and method for operation of a pump |
| 07/29/2009 | CN100520062C Air compressor |
| 07/23/2009 | DE202009006578U1 Drucklufterzeugeranordnung Air compressor assembly |
| 07/23/2009 | DE102008005431A1 Kompressor mit Hydraulikpumpe und Verfahren zur Herstellung eines Kompressors mit Hydraulikpumpe Compressor with a hydraulic pump and process for the preparation of a compressor with the hydraulic pump |
| 07/21/2009 | US7563078 Reciprocating compressor |
| 07/21/2009 | CA2459659C Compressed air system and method of control |
| 07/09/2009 | US20090172944 Self-tightening cover for pump |
| 07/07/2009 | US7556457 Drilling system including drilling machine and compressor |
| 07/02/2009 | US20090169396 Compressed air manufacturing facility |
| 07/01/2009 | EP2074010A1 Mobile wear and tear resistant gas compressor |
| 07/01/2009 | CN201265509Y Improved structure of portable oilless air compressor |
| 07/01/2009 | CN201265508Y Air compressor suit |
| 07/01/2009 | CN100506023C Distribution method of various component material and compensation method of conversion of reciprocating pump |
| 06/25/2009 | US20090158727 Hydraulic system |
| 06/18/2009 | WO2009047344A3 Air supply device for pressure machines and pressure machine |
| 06/17/2009 | CN201258841Y High and low pressure inflator |
| 06/16/2009 | US7547201 Compact simplified compressor apparatus |
| 06/10/2009 | EP2066949A2 Axially moveable spool connector |
| 06/10/2009 | EP2066948A2 Access cover for pressurized connector spool |
| 06/10/2009 | CN100498119C Refrigerant cycling device |
| 06/04/2009 | WO2009068180A1 Multi-level membrane suction pump |
| 06/03/2009 | EP1740806B1 Method for continuously operating a liquid conveying device |
| 06/03/2009 | CN101446279A Kit for repairing and inflating inflatable articles, and featuring a control device |
| 06/03/2009 | CN100494679C Pressure ratio continuously-variable small-displacement gas compressor device |
| 05/28/2009 | US20090133511 Fluid handling device with ultrasound sensor and methods and systems using same |
| 05/27/2009 | EP1366293B1 Compressor system |
| 05/22/2009 | WO2009062276A1 Pressure control unit |
| 05/21/2009 | US20090129958 Cyclic condensate pump having a three-way valve |
| 05/20/2009 | CN201241810Y Double-pump air compressor |
| 05/19/2009 | CA2211997C Valve connector |
| 05/13/2009 | EP1864022B1 Pressure accumulating apparatus |
| 05/12/2009 | US7530798 Multistage compressor for compressing gases |
| 05/07/2009 | US20090116973 Pump for Shock Absorbers |
| 05/06/2009 | CN201232617Y Double-core air compressor |
| 05/06/2009 | CN101426677A Compressor assembly |
| 05/06/2009 | CN101424261A Double compressor with distributing valve photovoltaic electric straight driving flange connection air conditioner |
| 05/05/2009 | US7527482 Method and apparatus for compressing a gas to a high pressure |
| 04/30/2009 | WO2007011512A3 Arrangement for tool equipment |
| 04/29/2009 | EP2052156A1 Multi-stage compressor |
| 04/23/2009 | WO2007067344A3 System and method for operation of a pump |
| 04/23/2009 | US20090101219 Medical waste fluid collection and disposal system |
| 04/22/2009 | CN100480512C Compressor discharge valve assembly |
| 04/16/2009 | WO2009047344A2 Air supply device for pressure machines and pressure machine |
| 04/16/2009 | DE102007049155A1 Luftversorgungseinrichtung für Druckmaschinen sowie Druckmaschine Air supply device for printing machines and printing machine |
| 04/15/2009 | CN101408272A Circulation system and lubricating oil storage tank |
| 04/14/2009 | US7516755 System for producing and distributing compressed air |
| 04/09/2009 | US20090092510 Quintuplex Mud Pump |
| 04/09/2009 | CA2701526A1 Energy storage |
| 04/08/2009 | CN201218175Y Double-power air compressor set of powder granule materiel semitrailer |
| 04/08/2009 | CN101403377A Inflating apparatus |
| 04/07/2009 | US7513751 Method for regulating the vacuum supply of calibration tools |
| 04/01/2009 | EP2041436A1 Method for controlling a compressed air unit and a controller and compressed air unit for applying such a method |
| 04/01/2009 | EP2041435A1 Method for controlling a compressed air installation and controller and compressed air installation for employing such a method |
| 04/01/2009 | CN101397986A Multifunctional pumping vacuum device |
| 03/31/2009 | CA2386481C Portable tool box |
| 03/25/2009 | CN201212462Y High-pressure grease pump |
| 03/24/2009 | US7506574 Self-tightening cover for pump |
| 03/19/2009 | US20090074590 Vehicle control apparatus |
| 03/18/2009 | CN201209528Y Direct connecting air compressor |
| 03/18/2009 | CN100470052C Reciprocating compressor and refrigerator having the same |
| 03/05/2009 | WO2009028467A1 Air compressor and alarm control method |
| 03/05/2009 | WO2009028465A1 Air compressor and method of controlling motor drive |
| 03/05/2009 | US20090056850 Sealing Pump-Up Device |
| 03/04/2009 | CN201202626Y Automatic purifying apparatus of air compressor air storage tank |
| 03/04/2009 | CN100465434C The evacuation of a load lock enclosure |
| 02/26/2009 | US20090053076 Suitcase style air compressor assembly |
| 02/25/2009 | CN201198824Y Duplex compressed air reservoir |
| 02/25/2009 | CN201198823Y Compressor assembly |
| 02/25/2009 | CN101372956A Natural gas compressor and system for CNG gas-adding station with arbitrary variable intake pressure |
| 02/19/2009 | US20090047159 Multi-stage gas compressing apparatus |
| 02/18/2009 | EP1625301B1 Diaphragm pump |
| 02/11/2009 | CN100460675C Combined compressing apparatus |
| 02/04/2009 | CN201190663Y Compacted air compressor |
| 02/04/2009 | CN201190655Y System for simultaneously supplying and compressing oxygen |
| 02/04/2009 | CN100458157C Piston pump, manufacturing method and blood pressure gauge using same |
| 01/29/2009 | WO2009014069A1 Air compressor |
| 01/29/2009 | CA2693714A1 Method and apparatus for resisting disabling fouling of compressors in multistage compression systems |
| 01/28/2009 | CN101354024A Direct connection type air compressor driven by brushless dc motor and control method thereof |
| 01/27/2009 | US7481066 Vacuum device |