| Patents for F04B 37 - Pumps specially adapted for elastic fluids and having pertinent characteristics not provided for in, or of interest apart from, groups (3,029) |
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| 08/07/2012 | US8235675 System and method for providing a thermal transpiration gas pump using a nanoporous ceramic material |
| 08/01/2012 | CN202360333U Miniature vacuum pump |
| 08/01/2012 | CN202360332U Improved oil-less vacuum pump |
| 08/01/2012 | CN202360331U Modified vacuum pump |
| 08/01/2012 | CN202360330U Improved anti-corrosion type vacuum pump |
| 07/25/2012 | CN202348615U Polycrystal ingot furnace vacuum system |
| 07/25/2012 | CN202348614U Improved high-pressure vacuum pump |
| 07/25/2012 | CN102606447A Piston and vacuum pump |
| 07/25/2012 | CN102032141B Vertical non-oil-contamination energy-saving vacuum pump |
| 07/25/2012 | CN102032140B Handheld electric vacuum pump, control system thereof and vacuum refreshing system |
| 07/25/2012 | CN101592144B Extracting device and method thereof |
| 07/19/2012 | WO2012071540A3 Cryopump with controlled hydrogen gas release |
| 07/18/2012 | CN202338458U 油气回收隔爆真空泵 Flameproof vacuum vapor recovery |
| 07/18/2012 | CN102588247A Cryopump and vacuum valve device |
| 07/17/2012 | US8221098 Radial turbomolecular pump with electrostatically levitated rotor |
| 07/12/2012 | WO2012093777A2 Quick-release vacuum pump |
| 07/11/2012 | CN202326078U 真空抽气泵 Vacuum suction pump |
| 07/11/2012 | CN202326077U 台式真空机 Desktop Vacuum Machine |
| 07/11/2012 | CN102575658A Multichamber and motor pump with several chambers for motor pump |
| 07/11/2012 | CN102562556A Operation control method for BOG multistage displacement compressor |
| 07/11/2012 | CN101725501B Gas bubble pump with gas bubble collecting device |
| 07/04/2012 | EP2470790A1 Vacuum pump with pressure equalization |
| 07/04/2012 | CN202300904U 活塞式真空泵 Piston pumps |
| 07/04/2012 | CN102536736A Vacuum pump |
| 07/04/2012 | CN102536735A Cleaning vacuum air exhaust technology for large-sized space environmental simulator |
| 06/28/2012 | WO2012086767A1 Evacuation device, vacuum processing device, and evacuation method |
| 06/26/2012 | US8206135 Valve-type oil feeder |
| 06/21/2012 | WO2012080277A1 Compressor and method for compressing technical gases |
| 06/19/2012 | US8202067 Oil pump for a refrigerating compressor |
| 06/14/2012 | WO2012076324A1 Cooling trap comprising a cooled transit device which is permeable in geometrical terms |
| 06/13/2012 | EP2463525A1 Compressor and method for compressing technical gases |
| 06/13/2012 | CN202273824U 一种新型沼气池服务车动力输入和传动装置 A new service vehicles digesters power input and transmission |
| 06/12/2012 | US8197222 Getter pump and vacuum coating installation comprising a getter pump |
| 06/07/2012 | WO2012074099A1 Evacuation apparatus control method and evacuation apparatus control apparatus |
| 06/07/2012 | WO2012016962A3 Pump |
| 06/06/2012 | EP2461034A2 Multichamber and motor pump with several chambers for motor pump |
| 06/06/2012 | CN202266387U 毛细管网真空泵吸气机 Capillary network vacuum suction machine |
| 06/06/2012 | CN202266386U 一种真空抽取装置 A vacuum extraction device |
| 05/31/2012 | WO2012071540A2 Cryopump with controlled hydrogen gas release |
| 05/31/2012 | WO2012070282A1 Protective mesh for vacuum pump and vacuum pump with same |
| 05/30/2012 | CN202250681U Large-aperture cryogenic pump with liquid nitrogen heat sink |
| 05/30/2012 | CN101660514B Power saving and rapid vacuumizing technology by low-temperature pressure vessel nano substitution method |
| 05/30/2012 | CN101109761B Fluidic device and control method thereof |
| 05/24/2012 | WO2012066782A1 Vacuum exhaust device coupling structure and vacuum exhaust system |
| 05/24/2012 | WO2012066781A1 Vacuum exhaust device connection structure and vacuum exhaust system |
| 05/24/2012 | WO2012066780A1 Vacuum exhaust device coupling structure and vacuum exhaust system |
| 05/24/2012 | WO2012016959A3 Pump |
| 05/24/2012 | US20120128508 Housing having separate getter chamber for device operating under vacuum |
| 05/23/2012 | CN102094786B Liquid nitrogen liquid helium double-medium compatible plume adsorption pump and refrigerating method thereof |
| 05/23/2012 | CN102072145B Impinging diffusing device |
| 05/23/2012 | CN101922437B Vacuum device |
| 05/23/2012 | CN101922435B Double-layer integrally-built-in cryogenic pump |
| 05/16/2012 | CN102459914A 用于预测真空泵的转子旋转时的故障的方法及相关的抽吸装置 Method for predicting failure of the vacuum pump when the rotation of the rotor and associated suction means for |
| 05/10/2012 | WO2012059679A1 Pumping installation for obtaining a high vacuum and pumping method using such an installation |
| 05/08/2012 | US8172557 High-pressure gas compressor and method of operating a high-pressure gas compressor |
| 05/08/2012 | US8172547 Dielectric barrier discharge pump apparatus and method |
| 05/03/2012 | US20120107151 Refrigerant compressor |
| 05/02/2012 | EP2446147A1 Method for predicting a rotation fault in the rotor of a vacuum pump, and associated pumping device |
| 05/02/2012 | CN102434435A Oil-free lubrication high-pressure air compressor |
| 05/02/2012 | CN101570260B Vacuum crisper connected with pump |
| 05/01/2012 | US8167591 High pressure air pump with reciprocating drive |
| 04/25/2012 | CN202203073U 真空吸气泵 Vacuum pump |
| 04/25/2012 | CN202200969U 新能源汽车电驱动真空泵 New energy vehicles electrically driven vacuum pump |
| 04/25/2012 | CN102428275A 减压系统及真空处理装置 Vacuum systems and vacuum processing apparatus |
| 04/24/2012 | US8162632 Fluid pump |
| 04/11/2012 | CN102410173A 低温泵系统及其控制方法 Cryogenic pump system and control method |
| 04/10/2012 | US8152485 DC brushless motor pump |
| 04/04/2012 | CN102400889A 微型真空泵 Micro-pump |
| 04/04/2012 | CN102400888A Cryopump and cryogenic refrigerator |
| 04/04/2012 | CN102400887A 低温泵及过滤器装置 Cryogenic pump and filter device |
| 03/29/2012 | US20120073993 Electrowetting pumping device and application to electric activity measurements |
| 03/28/2012 | EP2434156A1 Dry vacuum pump |
| 03/28/2012 | CN202176479U 用于低温液体的往复活塞泵 Reciprocating piston pump for cryogenic liquids |
| 03/28/2012 | CN102392809A Vacuum displacement pump based on Maltese cross movement mechanism |
| 03/22/2012 | US20120070320 Air blower |
| 03/21/2012 | CN102384059A Capillary network vacuum pump suction machine |
| 03/21/2012 | CN102384058A Vacuuming machine |
| 03/15/2012 | US20120060518 Cryopump and filter device |
| 03/14/2012 | CN202165242U 一种真空泵 In a vacuum |
| 03/14/2012 | CN202165241U 一种水喷射真空泵 A water jet pump |
| 03/14/2012 | CN102374152A Thermal compressor system |
| 02/23/2012 | WO2011121322A3 Vacuum pumping system |
| 02/22/2012 | CN202149006U 一种耐腐立式往复真空泵吸气阀 One kind of vertical reciprocating pump suction valve decay |
| 02/15/2012 | CN102356236A Combined pumping system comprising a getter pump and an ion pump |
| 02/15/2012 | CN101982658B 小型/微型超高真空装置 Mini / Micro ultrahigh vacuum |
| 02/15/2012 | CN101705930B 车用双活塞电子真空泵 Car electronics dual-piston pump |
| 02/09/2012 | WO2012017972A1 Exhaust system |
| 02/09/2012 | US20120031113 Method and apparatus for regeneration water |
| 02/08/2012 | CN102345582A Horizontally opposed dual-cylinder vacuum pump |
| 02/08/2012 | CN102345581A Thermal hydrogen compressor |
| 02/07/2012 | US8109744 Turbo vacuum pump |
| 02/06/2012 | CA2714690A1 Improved compressor |
| 02/01/2012 | EP2041434B1 Getter pump and vacuum coating installation comprising a getter pump |
| 02/01/2012 | CN202132201U 低温泵池 Cryopump pool |
| 02/01/2012 | CN101769247B 抽气装置 Suction device |
| 01/25/2012 | EP2409034A1 Combined pumping system comprising a getter pump and an ion pump |
| 01/25/2012 | CN202125416U Star-shaped vacuum pump structure |
| 01/18/2012 | CN202117876U Vertical reciprocating type vacuum pressurizing double-purpose pump |
| 01/17/2012 | US8096788 Pump having adjustable pumping pressures |
| 01/05/2012 | WO2011103188A4 Electrochemical heat transfer system |