| Patents for F04B 39 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups (22,436) |
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| 03/09/2011 | CN101240783B Air compressor structure |
| 03/08/2011 | US7903406 Centrifugal fan |
| 03/08/2011 | US7901193 Pump assembly for therapeutic inflatable cell apparatus |
| 03/08/2011 | US7900651 Material feed container for a thick-matter pump |
| 03/03/2011 | WO2011025458A1 Lubricant supply tube for compressors |
| 03/03/2011 | WO2011023810A1 Variable capacity hermetic compressor |
| 03/03/2011 | WO2011023809A2 Soft-start hermetic compressor |
| 03/03/2011 | WO2011023069A1 Rotary type reciprocating piston compressor |
| 03/03/2011 | WO2011022799A1 Block for a reciprocating refrigeration compressor |
| 03/03/2011 | WO2010138510A3 Light weight crankcase casting for compressor |
| 03/03/2011 | WO2010126965A3 Pump liner retention device |
| 03/03/2011 | US20110048385 Lubricant vent structure of fuel pump for vehicle |
| 03/03/2011 | DE102009028831A1 Unterdruckpumpe mit Druckausgleich Vacuum pump with pressure equalization |
| 03/02/2011 | EP1913264B1 Non-positive compressor |
| 03/02/2011 | CN201753675U Compressor piston |
| 03/02/2011 | CN201753674U Water draining device for air compressor |
| 03/02/2011 | CN201753673U Inverted-differential compressor piston used for ship |
| 03/02/2011 | CN201753672U Compressor piston rod composite inflation sealing structure |
| 03/01/2011 | US7896624 Method of running a down hole rotary pump |
| 02/24/2011 | WO2011021789A2 Method for manufacturing a vacuum bellows assembly |
| 02/24/2011 | WO2010126969A3 Valve cover assembly |
| 02/24/2011 | WO2010029044A3 Apparatus for the production of bacterially synthesized cellulose or cellulose-containing planar material |
| 02/24/2011 | US20110041929 Squeeze Film Damper Valve For Compressor Cylinders |
| 02/24/2011 | DE202010016152U1 Entwässerungssteuervorrichtung für einen Luftkompressor Dewatering control device for an air compressor |
| 02/24/2011 | DE102009019299B4 Verfahren und Anordnung zum Testen eines Verpackungsmaterials auf Feuerfestigkeit Method and apparatus for testing a packaging material for fire resistance |
| 02/24/2011 | DE102006003991B4 Kompressor Compressor |
| 02/23/2011 | EP2287467A1 Inverter-integrated electrically-powered compressor |
| 02/23/2011 | EP2286087A1 Cryogenic pump employing tin-antimony alloys and methods of use |
| 02/23/2011 | CN201751578U Compressor crankshaft turning device |
| 02/23/2011 | CN201751577U Unloading plunger pump of air compressor |
| 02/23/2011 | CN101981318A Safety valve for compressor |
| 02/23/2011 | CN101981317A Compressor |
| 02/23/2011 | CN101979877A Motor-driven compressor |
| 02/23/2011 | CN101979876A Motor-driven compressor |
| 02/23/2011 | CN101979841A Superposed air valve mechanism |
| 02/23/2011 | CN101201048B Mounting structure for protective cap of compressor wiring terminal |
| 02/22/2011 | US7891960 Reciprocal pump for gas and liquids |
| 02/22/2011 | US7891958 Impeller pump with reflux passages and apparatus using same |
| 02/17/2011 | WO2011018732A2 Pump body |
| 02/17/2011 | WO2010091350A3 Oil return system and method for active charge control in an air conditioning system |
| 02/17/2011 | US20110038738 Compressor apparatus |
| 02/17/2011 | CA2771035A1 Pump body |
| 02/16/2011 | EP2284462A2 Compressor diagnostic system |
| 02/16/2011 | EP2284396A1 Refrigerant compressor |
| 02/16/2011 | CN201747918U H-shaped body for reciprocating and rotating motion converting device without connecting rod |
| 02/16/2011 | CN201747580U Safety cushion valve |
| 02/16/2011 | CN201747569U Oil-gas separator of air compressor |
| 02/16/2011 | CN201747568U Positioning tool of secondary fine separating core of large-scale vertical air compressor |
| 02/16/2011 | CN201747567U Frost valve for cylinder cover of water-cooling air compressor |
| 02/16/2011 | CN201747566U Afterheat recovery device |
| 02/16/2011 | CN201747565U Small air-cooled air compressor |
| 02/16/2011 | CN201747564U Medium and small sized cold air compressor |
| 02/16/2011 | CN201747563U Oil pump type oil tank of air compressor |
| 02/16/2011 | CN201747562U Connecting lever structure for compressor |
| 02/16/2011 | CN201747561U Halved gap piston ring |
| 02/16/2011 | CN201747560U Novel air intensifier pump |
| 02/16/2011 | CN201747559U Compressor |
| 02/16/2011 | CN201747558U Unloading device of compressor |
| 02/16/2011 | CN201747557U Air condition compressor intermediate frequency sound-proof shield |
| 02/16/2011 | CN201747432U Crankcase ventilation device and equipment applying same |
| 02/16/2011 | CN101978165A Refrigeration apparatus |
| 02/16/2011 | CN101978164A Refrigeration apparatus |
| 02/16/2011 | CN101975111A Piston crank mechanism of combined cylinder |
| 02/16/2011 | CN101660515B Sealing structure of piston rod of piston type intermediate-pressure and high-pressure compressor |
| 02/10/2011 | WO2011017689A2 Hydraulic installation tool for pump plunger |
| 02/10/2011 | WO2011015954A1 Low restriction resonator with adjustable frequency characteristics for use in compressor nebulizer systems |
| 02/10/2011 | US20110030822 Dry Run Porting System |
| 02/10/2011 | DE202010015306U1 Kühlvorrichtung für verfahrenstechnische Einrichtungen, wie Pumpen, insbesondere Dosierpumpen Cooling device for process equipment such as pumps, metering pumps particular |
| 02/09/2011 | EP2281118A1 A compressor |
| 02/09/2011 | CN201739137U Air valve dismantling device of compressor |
| 02/09/2011 | CN201739136U Natural cooling CNG compressor with no auxiliary cooling channel |
| 02/09/2011 | CN201739135U One-piece cylinder for miniature air pump |
| 02/09/2011 | CN201739134U Air compressor cooler |
| 02/09/2011 | CN201739133U Air compressor |
| 02/09/2011 | CN201739132U Automatic drainer without gas consumption |
| 02/09/2011 | CN201739131U Oil leakage preventing device for vacuum pump |
| 02/09/2011 | CN201739130U Silencer |
| 02/09/2011 | CN201739129U Cleanser of oil cooler of air compressor |
| 02/09/2011 | CN201739128U Silencing device for vacuum pump vacuum break valve |
| 02/09/2011 | CN201739127U Simple and attractive door assembly for air compressor |
| 02/09/2011 | CN201739126U Piston component of air compressor |
| 02/09/2011 | CN201739125U Mini air pump |
| 02/09/2011 | CN201739124U Boosting eccentric frame for miniature air pump |
| 02/09/2011 | CN201739123U Labyrinth-type noise-damping air outlet component for miniature air pump |
| 02/09/2011 | CN201739122U Sealing structure for industrial oil-free-reciprocating labyrinth compressor piston rod |
| 02/09/2011 | CN201739121U Air conditioning compressor crank shaft of coach |
| 02/09/2011 | CN201739120U Dewatering device for compressed air storing device |
| 02/09/2011 | CN201739116U Combined gas piston compressor |
| 02/09/2011 | CN101970879A Sealed compressor |
| 02/09/2011 | CN101970878A Reciprocating compressor |
| 02/09/2011 | CN101970877A Muffler for compressor |
| 02/09/2011 | CN101968048A Miniature air pump and one-way valve for same |
| 02/09/2011 | CN101479475B Dual-cylinder rocking piston compressor |
| 02/09/2011 | CN101455935B Combination type drying machines controller |
| 02/09/2011 | CN101315070B Compressor |
| 02/08/2011 | CA2479172C Suction oil injection for rotary compressor |
| 02/03/2011 | WO2011013856A1 Compression device |
| 02/03/2011 | WO2011013473A1 Inverter-integrated motor-driven compressor |
| 02/03/2011 | WO2010094317A3 Piston chamber combination having means for measuring and reading a parameter of a remotely positioned device |
| 02/03/2011 | WO2010047543A3 Suction muffler for hermetic compressor |