| Patents for F04B 53 - Component parts, details or accessories not provided for in, or of interest apart from, groups or (19,443) |
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| 08/09/2011 | CA2480228C Gas operated automatic, liquid pumping system for wells |
| 08/09/2011 | CA2449765C Compressor discharge valve retainer |
| 08/05/2011 | CA2729378A1 Compensating mechanical seal for use with a downhole electrical submersible pump |
| 08/04/2011 | WO2011094567A2 Air motor having ceramic valves |
| 08/04/2011 | WO2011093130A1 Sealing device, and pump device using same |
| 08/04/2011 | WO2011091537A1 A system and method for induction heating a helical rotor using a coil |
| 08/04/2011 | US20110189040 Fluid end |
| 08/03/2011 | CN201916186U 抽油泵高效防断脱柱塞 Efficient anti break off pump plunger |
| 08/03/2011 | CN201916185U 空心柱塞 Hollow plunger |
| 08/03/2011 | CN201916184U 漂浮式抽水泵管底阀 Floating pumps tube bottom valve |
| 08/03/2011 | CN201916183U 计量泵出口阀 Metering pump outlet valve |
| 08/03/2011 | CN201916182U 增压泵出水阀体结构 Booster pump outlet valve structure |
| 08/03/2011 | CN201916181U 用于柱塞式计量泵的长效无泄漏柱塞密封结构 Long-term leak-free seal structure for the plunger piston metering pumps |
| 08/03/2011 | CN201916180U 一种新型拉板式拉紧件 A new pull plate tensioners |
| 08/03/2011 | CN201916179U 柱塞泵出口缓冲器 Piston pump outlet buffer |
| 08/03/2011 | CN201916178U 一种活塞泵的回水装置 One kind of backwater piston pump device |
| 08/03/2011 | CN201916171U 防砂防垢长柱塞抽油泵 Sand scale length of the plunger pump |
| 08/03/2011 | CN102144096A High-pressure radial piston pump |
| 08/03/2011 | CN102141348A Compressor air cooler system with unbalanced arrangement of fin gaps |
| 08/03/2011 | CN102141030A Liquid storage tank structure of compressor |
| 08/03/2011 | CN102139253A Plunger piston water seal device of spraying machine |
| 08/03/2011 | CN101427027B Detachable connecting rod compressor having the same |
| 08/03/2011 | CN101397987B Closed type compressor |
| 07/28/2011 | WO2011090528A1 Compressor system including a flow and temperature control device |
| 07/28/2011 | US20110182758 Mechanism to Raise the Efficiency of a Reciprocating Refrigeration Compressor |
| 07/28/2011 | DE10244374B4 Fördervorrichtung Conveyor |
| 07/28/2011 | DE102010005429A1 Hydro machine, particularly for use as axial piston machine in swash plate design, has multiple pistons which are guided into cylinder body to apply drive force on output- or drive shaft or to receive drive force from output- or drive shaft |
| 07/28/2011 | DE102010001099A1 Hochdruckpumpe High pressure pump |
| 07/27/2011 | EP2347130A1 Suction duct and scroll compressor incorporating same |
| 07/27/2011 | EP2347105A2 Rotary pump for a vehicle |
| 07/27/2011 | CN201908941U Forked connecting rod |
| 07/27/2011 | CN201908830U Variable housing structure of axial plunger pump |
| 07/27/2011 | CN201908829U Pumping check valve for spraying diaphragm pumps |
| 07/27/2011 | CN201908828U Unloading valve |
| 07/27/2011 | CN201908827U Multi-functional magnetic fluid sand-removing pump |
| 07/27/2011 | CN201908826U Gas injection guiding device of oil-well pump |
| 07/27/2011 | CN201908814U Two-stage pump cylinder and two-stage plunger piston combined pump cylinder pipe type pump |
| 07/27/2011 | CN201908798U Straight-flow high pressure washer pump |
| 07/27/2011 | CN102138003A Valve cover assembly and method of using the same |
| 07/27/2011 | CN102138002A Piston pump |
| 07/27/2011 | CN102135092A Asymmetric cooled air-duct component of compressor |
| 07/27/2011 | CN101446280B Removable pump and negative pressure wound treatment system using same |
| 07/27/2011 | CN101438059B Compressor |
| 07/26/2011 | US7984671 Self-tightening cover for pump |
| 07/21/2011 | WO2011087585A1 Reciprocating refrigeration compressor oil sealing |
| 07/21/2011 | WO2011030237A4 High-pressure homogenizer with an epicyclic reduction gear unit |
| 07/21/2011 | US20110177587 Nucleic acid amplification with continuous flow emulsion |
| 07/21/2011 | DE102011000179A1 Motor-getriebener Kompressor Motor-driven compressor |
| 07/21/2011 | DE102010005168A1 Niederdruckventil mit innerem und äußerem Durchflussquerschnitt Low-pressure valve with the inner and outer flow cross-section |
| 07/20/2011 | CN201902471U Transmission shaft with drum external involute spline |
| 07/20/2011 | CN201902322U Pump connecting cover |
| 07/20/2011 | CN201902321U Self-regulating buoyancy oil absorption head |
| 07/20/2011 | CN201902320U External adjusting device for moving ring of pump |
| 07/20/2011 | CN201902319U Protector for sealing compensation ring |
| 07/20/2011 | CN102128164A Water channel grate |
| 07/20/2011 | CN102128158A Linear pump |
| 07/20/2011 | CN101520038B Micro-droplet fluid conveying device |
| 07/20/2011 | CN101484700B Pump element and pump comprising such a pump element |
| 07/14/2011 | WO2011084230A1 Air tolerant implantable piston pump |
| 07/14/2011 | WO2011054632A3 Pump unit for supplying fuel, preferably diesel oil, to an internal combustion engine |
| 07/14/2011 | WO2011027273A3 Pump body |
| 07/14/2011 | US20110168936 Microvalve, Micropump and Manufacturing Method |
| 07/14/2011 | US20110168706 Material feed container for a thick-matter pump |
| 07/14/2011 | DE10310169B4 Radialkolbenpumpe für Fahrzeugbremsanlagen Radial piston pump for vehicle braking systems |
| 07/14/2011 | DE102010035597A1 Lageranordnung für eine Pumpe Bearing assembly for a pump |
| 07/13/2011 | EP1537332B1 Motor/pump unit, particularly for anti-skid vehicle brake systems |
| 07/13/2011 | CN201896740U Roadway, railway and bridge prestressed tensioning pump |
| 07/13/2011 | CN201896739U Seal sleeve of piston rod of differential pressure type plunger pump |
| 07/13/2011 | CN201896738U Combination valve of high-pressure water-injection pump |
| 07/13/2011 | CN201896737U Water sucking and draining device used for high stroke frequency hydraulic driving slurry pump |
| 07/13/2011 | CN201896736U Waterproof and drainage device for main cylinder of concrete trailer pump |
| 07/13/2011 | CN201896735U Cleaning device of liquid cement grinding aid metering pump |
| 07/13/2011 | CN201896734U Static ring composite structure of oil slurry pump |
| 07/13/2011 | CN201896729U Gas-proof load-reducing deep well defueling pump |
| 07/13/2011 | CN102124226A Pump device |
| 07/12/2011 | US7976289 Capacity variable type rotary compressor and driving method thereof |
| 07/07/2011 | WO2011081427A2 Reciprocating compressor |
| 07/07/2011 | WO2011079983A1 Piston pump having an inlet valve |
| 07/07/2011 | DE10134069B4 Kraftstoffpumpe für ein Kraftstoffsystem einer Brennkraftmaschine Fuel pump for a fuel system of an internal combustion engine |
| 07/06/2011 | EP2341250A2 Dispenser with self closing dispensing valve and peristaltic pump |
| 07/06/2011 | CN201891600U Hand-operated oil pumping pump |
| 07/06/2011 | CN201891599U Novel balancing disc component capable of lubricating friction surface between balancing disc and balancing ring |
| 07/06/2011 | CN201891598U Small-sized sewage pump base |
| 07/06/2011 | CN201891597U Walking mechanism for quickly detachable unit construction pump |
| 07/06/2011 | CN201891596U Novel coupling type installation structure used for submersible sewage pump |
| 07/06/2011 | CN201891595U Wear-resisting tank body of plunger pump |
| 07/06/2011 | CN201891594U Low-cost long-life cutting ring for concrete conveying pump |
| 07/06/2011 | CN201891564U Diaphragm type metering pump having cooling function |
| 07/06/2011 | CN201889139U Vacuum filter for titanium sponge vacuum distillation process |
| 07/06/2011 | CN102116288A Solution sending pump |
| 07/06/2011 | CN102116287A Double-curved-surface limit baffle plate for drum-type displacement pump |
| 07/06/2011 | CN102116286A Capsule pump |
| 07/06/2011 | CN101608616B Concrete pumping equipment and piston body thereof |
| 07/06/2011 | CN101205903B Y-type fluid end with replaceable suction module |
| 07/05/2011 | US7972120 Discharge system for compressors |
| 06/30/2011 | WO2011076526A1 System for feeding fuel from a tank to an internal combustion engine |
| 06/30/2011 | WO2011076467A1 Piston pump for a hydraulic vehicle braking system |
| 06/30/2011 | WO2011076017A1 Mute air compressor |
| 06/30/2011 | WO2011032245A3 A thermal isolation, suitable for isolating the gas discharge tube of a refrigerating compressor, and a process of assembling the isolation in the gas discharge tube |
| 06/30/2011 | US20110158836 Liquid paint pumping apparatus |