| Patents for F04B 35 - Piston pumpsspecially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for (9,373) |
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| 03/18/2009 | CN100470055C Suction valve assembly of reciprocating compressor |
| 03/18/2009 | CN100470053C Linear compressor cylinder and head construction |
| 03/18/2009 | CN100470052C Reciprocating compressor and refrigerator having the same |
| 03/17/2009 | US7503753 Variable capacity fluid pump for an engine |
| 03/17/2009 | CA2347130C Blood separation systems and methods using a multiple function pump station to perform different on-line processing tasks |
| 03/12/2009 | US20090068036 Compressing diaphragm pump having automatic air expelling and pressure abnormal-preventing features for spray use |
| 03/12/2009 | US20090068034 Pumping system with precise ratio output |
| 03/12/2009 | US20090068030 Hermetically enclosed refrigerant compressor arrangement |
| 03/12/2009 | US20090068025 Intelligent Controller for Refrigerating and Air Conditioning Systems |
| 03/11/2009 | EP1427939B1 A compact vacuum pump |
| 03/11/2009 | CN201206539Y Portable straight-line air compressor |
| 03/11/2009 | CN100467867C Reciprocating compressor |
| 03/11/2009 | CN100467866C Piston type thermodynamic gas compressor |
| 03/10/2009 | US7500835 Sump draining apparatus having easily replaceable sensor and mount therefor |
| 03/05/2009 | US20090060761 Brushless electric motor and electric pump |
| 03/05/2009 | US20090060760 Diaphragm pump |
| 03/04/2009 | EP2029894A1 Reciprocating compressor or pump and a portable tool powering system including a reciprocating compressor |
| 03/04/2009 | CN101377190A Apparatus for collecting compressed air by ambient pressure |
| 03/04/2009 | CN100465442C An apparatus and a method for controlling operations of compressors |
| 03/04/2009 | CN100465433C A device and a method for coupling an air compressor to a drive shaft of an IC engine |
| 03/03/2009 | US7497671 Hermetic compressor |
| 02/26/2009 | DE102008012358A1 Electrically operated transportable high pressure cleaning device, has device housing, and chassis comprising rolling bodies that are designed for clamping device supporting surface, where bodies protrude over bottom counter of housing |
| 02/25/2009 | CN201198823Y Compressor assembly |
| 02/25/2009 | CN101372955A Reciprocating compressor |
| 02/25/2009 | CN101372945A Reciprocating air compressor |
| 02/25/2009 | CN101372944A Straight-line compressor |
| 02/25/2009 | CN100464074C Apparatus and method for controlling operation of linear compressor |
| 02/25/2009 | CN100464073C Apparatus and method for controlling operation of compressor |
| 02/24/2009 | US7494555 Microfabricated elastomeric valve and pump systems |
| 02/19/2009 | WO2009023542A2 Combined seal head and pump intake for electrical submersible pump |
| 02/19/2009 | US20090047157 Dual zone flow choke for downhole motors |
| 02/19/2009 | US20090047156 Insulated bearings for downhole motors |
| 02/19/2009 | US20090047153 Hybrid hydraulic-electric ram pumping unit with downstroke energy recovery |
| 02/19/2009 | US20090047148 Fan and bearing bracket thereof |
| 02/19/2009 | US20090047144 Fluid Compressor and Motor Vehicle Refuelling Apparatus |
| 02/19/2009 | DE102007038443A1 Hermetisch gekapselte Kältemittelverdichtereinrichtung Hermetically sealed refrigerant compressor means |
| 02/19/2009 | DE102007038432A1 Kältemittelverdichtereinrichtung Refrigerant compressor means |
| 02/19/2009 | DE102007037334A1 Tragbare Vakuumerzeugervorrichtung Portable vacuum producing device |
| 02/19/2009 | CA2695447A1 Combined seal head and pump intake for electrical submersible pump |
| 02/18/2009 | EP2025941A2 Portable vacuum creation device |
| 02/18/2009 | CN101368556A Refrigerant compressor arrangement |
| 02/18/2009 | CN101368555A Hermetically enclosed refrigerant compressor arrangement |
| 02/17/2009 | US7491046 Piston for a rotary combustion engine |
| 02/17/2009 | US7491040 Compact compressor |
| 02/17/2009 | US7491038 Reciprocating compressor |
| 02/12/2009 | US20090041599 Electro-hydraulic actuator mounting |
| 02/12/2009 | US20090041575 Driving Apparatus for a Wave Power Device |
| 02/11/2009 | EP1391025B1 Linear compressor |
| 02/11/2009 | CN101363437A Downhole linear electric motor oil-well pump |
| 02/11/2009 | CN101363431A Rapid fexible sleeve and flange connection type air-conditioner compressor |
| 02/11/2009 | CN101363430A Internal thread and flange connection type air-conditioner compressor |
| 02/11/2009 | CN101363429A Fastener and flange connection type air-conditioner compressor |
| 02/11/2009 | CN101363428A Union and flange connection type air-conditioner compressor |
| 02/11/2009 | CN101363427A Hoop and flange connection type air-conditioner compressor |
| 02/11/2009 | CN101363426A Wind energy compressor |
| 02/10/2009 | US7488161 High pressure pump having downsized structure |
| 02/10/2009 | US7488160 Motor-pump unit |
| 02/05/2009 | WO2009017347A2 Linear compressor |
| 02/05/2009 | US20090035629 Multi-channel pump, fuel cell and control methods therefor |
| 02/04/2009 | CN201190650Y Electronic compressor |
| 02/04/2009 | CN101358587A Swashplate type axial piston device having apparatus for providing three operating displacements |
| 02/04/2009 | CN100459378C Linear motor, and linear compressor using the same |
| 02/04/2009 | CN100459038C Flexible tank and a chemical liquid supply apparatus using the same |
| 02/04/2009 | CN100458157C Piston pump, manufacturing method and blood pressure gauge using same |
| 02/04/2009 | CN100458154C 往复式压缩机 Reciprocating Compressors |
| 02/03/2009 | US7485118 Microstructured arrangement for the bubble-free filling with a liquid of at least one system for draining off liquids, apparatus having such an arrangement and filing method |
| 02/03/2009 | US7484941 Electric motor with circulator pump |
| 02/03/2009 | US7484940 Piezoelectric fluid pump |
| 02/03/2009 | US7484452 Fluid end for a plunger pump |
| 01/29/2009 | WO2009014210A1 Engine-driven heat pump |
| 01/29/2009 | WO2009013131A1 Stroke-regulated linear compressor |
| 01/29/2009 | WO2009013105A1 Linear compressor |
| 01/29/2009 | DE102007034296A1 Linearverdichter Linear Compressor |
| 01/29/2009 | DE102007034229A1 Electric motor for electric motor pump aggregate of motor vehicle anti-skid system, has stator and rotor, where stator has wound stator teeth and rotor has eccentric driven shaft |
| 01/28/2009 | CN201187430Y Improved structure of inflator |
| 01/28/2009 | CN101356365A A linear-compressor control system, a method of controlling a linear compressor and a linear compressor |
| 01/28/2009 | CN101354024A Direct connection type air compressor driven by brushless dc motor and control method thereof |
| 01/27/2009 | US7481051 Tree feller power management |
| 01/22/2009 | WO2009010048A1 Compressed-air compressor |
| 01/22/2009 | US20090022610 Motor centrifugal pump |
| 01/22/2009 | US20090020173 Industrial process efficiency method and system |
| 01/21/2009 | EP2016285A1 Linear compressor |
| 01/21/2009 | EP2016228A2 Damping (heave) plates having improved characteristics |
| 01/21/2009 | EP2015985A2 Heave plate with improved characteristics |
| 01/21/2009 | CN201184287Y Double-compressing cavity split type compressor |
| 01/21/2009 | CN101349255A Direct-current power supply electric right and left compressing inflators |
| 01/21/2009 | CN100453806C Hermetic compressor |
| 01/21/2009 | CN100453805C Compressor with rotating handle |
| 01/20/2009 | US7478996 Reciprocating compressor having assembly structure of suction muffler |
| 01/20/2009 | US7478790 Apparatus for supporting compressor |
| 01/20/2009 | CA2493895C Method and apparatus for reducing inrush current in a multi-stage compressor |
| 01/15/2009 | WO2009009351A1 Pressure equalizer in thrust chamber electrical submersible pump assembly having dual pressure barriers |
| 01/15/2009 | US20090016912 Internal Gear Fuel Pump |
| 01/14/2009 | CN201180632Y Vibration damping stand apparatus of direct transmission type compressor |
| 01/14/2009 | CN101346546A Compact compressor |
| 01/14/2009 | CN101344081A Encapsulated refrigeration compressor |
| 01/14/2009 | CN100451334C Refrigerants suction guide structure for reciprocating compressor |
| 01/13/2009 | US7476091 Power blower |
| 01/13/2009 | US7476077 Rotary pump with exclusively hydrodynamically suspended impeller |
| 01/08/2009 | WO2009006385A1 Inlet design for a pump assembly |