| Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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| 10/07/2009 | CN201321983Y Compressor crankshaft combination-type balance weight structure |
| 10/07/2009 | CN201321982Y Directly-connected two-stage vacuum pump |
| 10/07/2009 | CN201321981Y Large-sized semi-enclosed screw type refrigeration compressor |
| 10/07/2009 | CN201321979Y Scroll compressor with floating seal and high-pressure unloading functions |
| 10/07/2009 | CN201321971Y Full automatic positioning machine for jacks of outgoing line components of compressors |
| 10/07/2009 | CN101553663A A vacuum pump provided with a device for its deactivation |
| 10/07/2009 | CN101550939A Compressor sound attenuation |
| 10/07/2009 | CN101550938A Method for improving performance of air-conditioning compressor |
| 10/07/2009 | CN101550937A 压缩机 Compressor |
| 10/07/2009 | CN101550936A Axial compressor blade retention |
| 10/07/2009 | CN101550935A Twin-screw compressor screw rotor tooth profile |
| 10/07/2009 | CN100547245C Plural compressors |
| 10/06/2009 | US7597547 Variable capacity rotary compressor |
| 10/06/2009 | CA2540790C Lubrication of a hermetic carbon dioxide compressor |
| 10/01/2009 | WO2009119361A1 Scroll compressor |
| 10/01/2009 | US20090246061 Gas compressor |
| 10/01/2009 | US20090246060 Compressor |
| 09/30/2009 | EP2105614A2 Gas compressor |
| 09/30/2009 | EP2105612A2 Scroll compressor |
| 09/30/2009 | EP2005004B1 Compressor assembly comprising a valve unit in the intake region |
| 09/30/2009 | CN201318290Y Noise reducing structure in oil-free screw rod compressor sound screening hood |
| 09/30/2009 | CN201318289Y Dispenser for heat and sound insulation |
| 09/30/2009 | CN101548108A 流体机 Fluid machine |
| 09/30/2009 | CN101545490A 气体压缩机 Gas Compressor |
| 09/30/2009 | CN101545489A Method for designing wrap profile of scroll machinery |
| 09/30/2009 | CN101545488A End face tooth form of novel screw compressor |
| 09/30/2009 | CN101545485A Rotary air compression device with lateral inlet air |
| 09/30/2009 | CN100546149C Permanent magnet type rotary electric machine and compressor using it |
| 09/30/2009 | CN100545458C Variable capacitance rotary compressor |
| 09/30/2009 | CN100545455C Scroll compressor with vapor injection |
| 09/29/2009 | US7594803 Orbit control device for a scroll compressor |
| 09/29/2009 | CA2495783C Speed control for compressors |
| 09/24/2009 | WO2009116405A1 Refrigerant compressor and refrigeration cycle system |
| 09/24/2009 | WO2009116282A1 Freezing device |
| 09/24/2009 | WO2009116239A1 Refrigerating apparatus |
| 09/24/2009 | WO2009116237A1 Freezing device |
| 09/24/2009 | WO2009115854A1 Method of producing vane |
| 09/24/2009 | WO2008152280A3 Variable speed cooling compressor with spirals |
| 09/24/2009 | US20090238709 Magnetic vane ejection for a rotary vane air motor |
| 09/23/2009 | EP2103809A1 Scroll fluid machine |
| 09/23/2009 | EP2103808A2 Scroll compressor |
| 09/23/2009 | CN201314297Y Oil-gas separator of oil-injection screw-type compressor |
| 09/23/2009 | CN201314296Y Self-lubrication vacuum composite air pump |
| 09/23/2009 | CN101539147A Unloading cylinder and rotary compressor using same |
| 09/23/2009 | CN101539145A Scroll compressor |
| 09/23/2009 | CN100543308C Lubricating-free screw compressor |
| 09/23/2009 | CN100543307C Scroll compressor |
| 09/17/2009 | US20090232688 Compressor Installation With a Water-Injected Compressor Element |
| 09/17/2009 | US20090232687 Control method of inverter compressor and inverter compressor |
| 09/17/2009 | DE102007014542B4 Drehkolbengebläse mit einem Gehäuse Rotary blowers with a housing |
| 09/16/2009 | CN101535651A Method for reacting self-igniting dusts in a vacuum pump device |
| 09/16/2009 | CN101532508A Control system for reducing temperature and saving energy of operating water of vacuum pump |
| 09/16/2009 | CN101532497A Oil-balancing system for double constant speed compressor of commercial air duct type air-conditioner |
| 09/16/2009 | CN101532496A Capacity-adjustable type rotor compressor system with an economizer |
| 09/16/2009 | CN101532493A Rotary compressor |
| 09/16/2009 | CN101532492A Tempering method for a screw-type vacuum pump |
| 09/16/2009 | CN100540912C Hermetic rotary compressor and refrigeration cycle apparatus |
| 09/16/2009 | CN100540911C Scroll machine having counterweights with changeable cavity and method for producing the counterweights |
| 09/16/2009 | CN100540910C Compressor pump coupling method |
| 09/16/2009 | CN100540909C Support structure of compressor part of rotary compressor |
| 09/16/2009 | CN100540908C By-pass valve structure of rotary compressor |
| 09/16/2009 | CN100540907C Balance block fixing structure for rotary compressor |
| 09/16/2009 | CN100540900C 涡旋压缩机 Scroll Compressor |
| 09/15/2009 | US7588428 Rotary fluid device performing compression and expansion of fluid within a common cylinder |
| 09/15/2009 | US7588426 Oil rotary vacuum pump and manufacturing method thereof |
| 09/10/2009 | US20090226337 Pump With a Cylindrical Cooling Bush |
| 09/09/2009 | EP2098730A1 Fluid machine |
| 09/09/2009 | EP2097649A1 System and method for cooling a compressor motor |
| 09/09/2009 | EP2097648A1 Variable capacity rotary compressor |
| 09/09/2009 | EP2097615A1 Screw compressor with integral bearing cover and discharge plenum divider |
| 09/09/2009 | CN201306287Y Air suction silencer of fully enclosed refrigeration compressor |
| 09/09/2009 | CN201306286Y Double-screw liquefied gas pump by-pass valve |
| 09/09/2009 | CN101529098A Rotary compressor and refrigeration cycle device |
| 09/09/2009 | CN101526084A Shell low-pressure rotary compressor |
| 09/09/2009 | CN100538029C Muffler for noise reduction |
| 09/08/2009 | US7585160 Hermetic compressor |
| 09/08/2009 | US7585114 Compressor bearing and compressor component |
| 09/03/2009 | WO2009107797A1 Compressor |
| 09/03/2009 | WO2009107264A1 Integrated electric compressor |
| 09/03/2009 | WO2009105972A1 A synchronous rotation fluid compressing device |
| 09/03/2009 | US20090220369 Non-contact seal for positive displacement capture device |
| 09/02/2009 | EP2096315A2 Gas compressor |
| 09/02/2009 | CN201301812Y Water-cooled type roots blower |
| 09/02/2009 | CN201301811Y Dust collection ring for rolling rotor compressor |
| 09/02/2009 | CN101520048A Single-step cantilever liquid ring pump with dual-function of radial air inlet and exhaust |
| 09/02/2009 | CN101520047A Mini-type muffler |
| 09/02/2009 | CN101520046A Closed compressor and refrigerating circulation device |
| 09/02/2009 | CN101520045A Connecting device of rolling rotor compressor |
| 09/02/2009 | CN101520044A Double-rolling rotor compressor |
| 09/02/2009 | CN101520043A Gas compressor |
| 09/02/2009 | CN100535448C High-pressure compressor |
| 08/27/2009 | WO2009103930A2 Spiral cooling compressor |
| 08/27/2009 | US20090214368 Vacuum Pump |
| 08/27/2009 | DE10393034B4 Verhinderung von Ölverschleppung bei Heliumgasverdichtern Prevention of oil carryover in helium gas compressors |
| 08/26/2009 | EP2093374A1 Fluid machine and refrigeration cycle device |
| 08/26/2009 | EP2092197A1 Rotor and compressor element provided with such rotor |
| 08/26/2009 | CN201297258Y Getter device of air compressor |
| 08/26/2009 | CN201297257Y Efficient heat recovery system of air compressor |
| 08/26/2009 | CN201297256Y Self-lubricated composite vacuum pressure air pump |
| 08/26/2009 | CN201297255Y Evacuating device |