| 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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| 02/13/2013 | CN202732340U 涡旋式压缩机 Scroll compressor |
| 02/13/2013 | CN1606659B Screw compressor with reduced leak path |
| 02/13/2013 | CN102933851A 压缩机 Compressor |
| 02/13/2013 | CN102933850A Valve arrangement for a scroll refrigeration compressor |
| 02/13/2013 | CN102933848A Hermetic compressor |
| 02/13/2013 | CN102927714A Refrigeration circulating device for scroll type refrigerating machine |
| 02/13/2013 | CN102927012A Scroll plate structure |
| 02/13/2013 | CN102927010A Screw compressor and control device and method of screw compressor |
| 02/13/2013 | CN102927009A Low-noise roots vacuum pump |
| 02/13/2013 | CN102927008A Compressor, and air conditioning system having it |
| 02/13/2013 | CN102927007A Swing piston type electrical vacuum pump |
| 02/13/2013 | CN101892983B 涡旋压缩机 Scroll Compressor |
| 02/12/2013 | US8371134 Method and apparatus for highly efficient compact vapor compression cooling |
| 02/07/2013 | DE112009002720T5 Elektrischer Kompressor mit integriertem Wechselrichter The electric compressor with integrated inverter |
| 02/06/2013 | EP2554849A2 Compressor |
| 02/06/2013 | EP2554848A2 Vacuum pump |
| 02/06/2013 | EP2554845A1 Electrically driven gas compressor |
| 02/06/2013 | EP2553272A2 Scroll compressor with an integrated inlet filter |
| 02/06/2013 | CN202718871U Air exhausting end base of screw rod compressor |
| 02/06/2013 | CN202718870U Compressor with novel guard strip |
| 02/06/2013 | CN202718869U Variable-frequency type oil injection screw air compressor |
| 02/06/2013 | CN202718868U 油位镜 The oil level mirror |
| 02/06/2013 | CN202718866U Screw rod compressor |
| 02/06/2013 | CN202718865U Screw air compressor |
| 02/06/2013 | CN1936325B Compressor |
| 02/06/2013 | CN102918270A Hermetically sealed electric motor compressor |
| 02/06/2013 | CN102913451A 压缩机 Compressor |
| 02/06/2013 | CN102913450A Novel two-end rotor of single-stage roots blower |
| 02/06/2013 | CN102913449A Novel mounting structure of air blower |
| 02/06/2013 | CN102909372A Manufacturing method for valve plate of compressor |
| 02/06/2013 | CN102586701B Iron alloy material and balance block manufactured by iron alloy material |
| 02/06/2013 | CN102162453B Manually dismounted type partition board structure for air compressor |
| 02/06/2013 | CN101684802B Two-stage rotating type compressor |
| 02/06/2013 | CN101349268B 螺旋压缩机 Screw compressor |
| 01/31/2013 | WO2013015575A2 Vane rotary compressor |
| 01/31/2013 | WO2013015215A1 Fluid machine |
| 01/31/2013 | WO2012031450A8 Two-stage medium-pressure screw-type air compressor set |
| 01/30/2013 | EP2551527A2 Compressor sound suppression |
| 01/30/2013 | EP2551521A2 Pump |
| 01/30/2013 | CN202707505U Lubricating oil saving device of screw air compressor |
| 01/30/2013 | CN202707504U Compressor for realizing oil return quantity control of dual-channel backpressure cavity |
| 01/30/2013 | CN202707503U Rotary oil-gas separator |
| 01/30/2013 | CN202707502U Helical-lobe compressor |
| 01/30/2013 | CN202707501U High-efficiency dust filtering device of compressor |
| 01/30/2013 | CN202707500U Thermostatic valve of compressor |
| 01/30/2013 | CN202707498U Rotor type compressor and pump component thereof |
| 01/30/2013 | CN202707497U Intelligent automatically controlled screw refrigerating compressor |
| 01/30/2013 | CN202707495U 双级变容量压缩机及空调器 Two-stage variable displacement compressor and air conditioner |
| 01/30/2013 | CN202707494U Compressor and air charging device |
| 01/30/2013 | CN202707493U Water circulation system of vacuum pump |
| 01/30/2013 | CN202707492U Water circulating device of vacuum pump |
| 01/30/2013 | CN202707486U Scroll compressor |
| 01/30/2013 | CN202707485U Scroll compressor with abrasion reduction mechanism |
| 01/30/2013 | CN102900672A Rotor of oil-free screw compressor |
| 01/30/2013 | CN102900671A Rotor compression permanent magnet synchronous compressor |
| 01/30/2013 | CN102900670A Horizontal compressor having symmetrical double cylinders |
| 01/30/2013 | CN102900669A Two stage rotary compressor |
| 01/25/2013 | CA2747299A1 Progressing cavity gas pump and progressing cavity gas pumping method |
| 01/24/2013 | WO2013012488A2 Downhole motors with a lubricating unit for lubricating the stator and rotor |
| 01/24/2013 | WO2013011658A1 Compressor |
| 01/24/2013 | WO2013011637A1 Stator for gas-evacuation pump, manufacturing method therefor, pump provided with said stator, and manufacturing method and assembly method therefor |
| 01/24/2013 | WO2013011635A1 Screw rotor for gas-evacuation pump, manufacturing method therefor, gas-evacuation pump provided with said screw rotor, and manufacturing method and assembly method therefor |
| 01/23/2013 | EP2549112A2 Dry type multi-stage vacuum pump |
| 01/23/2013 | EP2549109A2 Scroll compressor |
| 01/23/2013 | EP2549108A2 Acoustic damping in a coolant circuit |
| 01/23/2013 | EP2549107A1 Freezing machine |
| 01/23/2013 | EP2547870A1 A twin rotor pump, motor and/or drive assembly |
| 01/23/2013 | CN202690460U Low-noise dual exhaust structure of rotary compressor |
| 01/23/2013 | CN202690459U Oil return silencing exhaust device |
| 01/23/2013 | CN202690458U Oil injection screw type air-cooled compressor |
| 01/23/2013 | CN202690457U Jet pipe device for scroll compressor |
| 01/23/2013 | CN202690456U Medium-pressure oil storage device and compressor system comprising the same |
| 01/23/2013 | CN202690455U Rotary compressor for reducing oil discharge amount |
| 01/23/2013 | CN202690454U Compressor and oil baffle plate applied to the same |
| 01/23/2013 | CN202690453U Static disc self-regulation mechanism of commercial scroll compressor |
| 01/23/2013 | CN202690452U Modular screw compressor |
| 01/23/2013 | CN202690451U Mounting and fixing structure for exhaust valve block and baffle plate of rotary compressor |
| 01/23/2013 | CN202690446U Compressor parallel system and double-rotor compressor for the same |
| 01/23/2013 | CN202690445U Vacuum unit |
| 01/23/2013 | CN202690443U Screw compressor body structure and screw compressor including the same |
| 01/23/2013 | CN202690442U Screw compressor |
| 01/23/2013 | CN202690441U Energy-saving oil injection screw type air compressor |
| 01/23/2013 | CN102893041A 偏心轴承 Eccentric bearing |
| 01/23/2013 | CN102893031A Scroll-type fluid machine |
| 01/23/2013 | CN102889213A External oil cooling structure of rotary-vane vacuum pump |
| 01/23/2013 | CN102889212A Rotary-vane efficient energy-saving environmental-friendly vacuum pump |
| 01/23/2013 | CN102889211A Novel double-rotary-blade type vacuum pump |
| 01/23/2013 | CN102889209A Compression pump body, rotary compressor and refrigerating circulating device |
| 01/23/2013 | CN101772648B Enclosed compressor |
| 01/23/2013 | CN101550935B Twin-screw compressor screw rotor tooth profile |
| 01/17/2013 | WO2013007163A1 Rotary compressor |
| 01/17/2013 | US20130017111 Scroll device for compression or expansion |
| 01/17/2013 | US20130017109 Fluid compressor or pump apparatus |
| 01/16/2013 | EP2545280A2 Lubrication system for a screw compressor |
| 01/16/2013 | CN202673692U Exhaust port structure of single screw compressor |
| 01/16/2013 | CN202673691U Vacuum pump and cooling system thereof |
| 01/16/2013 | CN202673690U Oil tank of Roots blower |
| 01/16/2013 | CN202673689U Gas-oil separator of water-cooling screw-type compressor |
| 01/16/2013 | CN202673687U Integral type sliding vane rotary vacuum pump |
| 01/16/2013 | CN202673684U Compressor for air-condition |