| 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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| 08/06/2008 | CN201096085Y Oil pumping machine dedicated belt-tightening device |
| 08/06/2008 | CN201096081Y Sandproof descaling oil pump |
| 08/06/2008 | CN201096073Y Water-purifying device diaphragm pump diaphragm sealing structure |
| 08/06/2008 | CN201096067Y High pressure cleaning machine plastic pump |
| 08/06/2008 | CN101235813A Positive displacement pump for transporting a fluid with automatic adaptation to the compressibility of the fluid |
| 08/06/2008 | CN100408857C Preparation method of high pressure slurry pump ceramic cylinder jacket for well drilling |
| 08/05/2008 | CA2276520C Right angle drive adaptor for use with a vertical drive head in an oil well progressing cavity pump drive |
| 07/31/2008 | WO2008089551A1 Hydraulic submersible pump with electric motor drive |
| 07/31/2008 | US20080181794 Mobile pneumatic compressor |
| 07/31/2008 | US20080181772 Conductive device for cooling fan with luminous figures |
| 07/31/2008 | DE102007003521A1 Kolbenpumpe für ein Hochdruckreinigungsgerät Piston pump for a high-pressure cleaner |
| 07/30/2008 | EP1950418A1 A lubricating arrangement for concrete piston |
| 07/30/2008 | EP1950411A1 High pressure fuel supply pump for internal combustion engine |
| 07/30/2008 | EP1750514A4 Double-acting, high-pressure cryogenic pump |
| 07/30/2008 | EP1546557B1 Metering pump with gas removal device |
| 07/30/2008 | CN201092956Y Ceramic cylinder sleeve |
| 07/30/2008 | CN201092955Y Displacement pump crankshaft back end bearing device |
| 07/30/2008 | CN201092944Y Water-through water sealing sealer for drilling machine slush pump |
| 07/30/2008 | CN201092943Y Slurry pump |
| 07/30/2008 | CN201092942Y Piston slush pump bearing support |
| 07/30/2008 | CN101233320A Engine |
| 07/30/2008 | CN101230855A Electric pump for taking out slag from mathane-generating pit |
| 07/30/2008 | CN101230850A Atmos machinery |
| 07/30/2008 | CN101230849A Double-piston hydropower pressure regulating pump |
| 07/30/2008 | CN100406734C Pump |
| 07/30/2008 | CN100406722C High pressure pump, especially for a fuel injection device in an internal combustion engine |
| 07/30/2008 | CN100406715C Engine |
| 07/30/2008 | CN100406359C Twirling dip tube |
| 07/29/2008 | US7404704 Manifold assembly for reciprocating pump |
| 07/29/2008 | US7404702 Debris evacuation apparatus and method for an oil pump |
| 07/24/2008 | WO2008086952A1 Piston pump for a high pressure cleaning device |
| 07/24/2008 | US20080175704 Pump oil mister with improved service life |
| 07/23/2008 | EP1947338A2 Air Compressor |
| 07/23/2008 | EP1947336A1 Reciprocating compressor |
| 07/23/2008 | EP1947332A1 Pump apparatus |
| 07/23/2008 | EP1945951A1 Diaphragm pump |
| 07/23/2008 | EP1664529A4 Compact compressor |
| 07/23/2008 | EP1561028B1 High-pressure fuel pump comprising a ball valve in the low-pressure inlet |
| 07/23/2008 | CN201090431Y Anti-clip type plunger pump valve |
| 07/23/2008 | CN201090430Y Spherical valve |
| 07/23/2008 | CN201090429Y Automobile hydraulic pressure anti-lock braking system plunger pump |
| 07/23/2008 | CN201090428Y Reciprocating high-pressure plunger pump sealing device |
| 07/23/2008 | CN201090427Y Material filling type cylinder |
| 07/23/2008 | CN201090426Y Disjointing device for oil pump |
| 07/23/2008 | CN201090417Y Pump down vibration anti-block apparatus |
| 07/23/2008 | CN201090415Y Tubing pump with short pump barrel and long plunger capable of automatically draining oil |
| 07/23/2008 | CN201090414Y Oil inlet and sand deposit apparatus of oil-well pump with sands-proof check |
| 07/23/2008 | CN201090413Y Oil well pump connecting segregator |
| 07/23/2008 | CN201090412Y Oil well pump of thick oil and high pour-point oil for pouring vapor and extracting oil |
| 07/23/2008 | CN201090388Y Improved bottom valve of methane-generating pit extraction tube |
| 07/23/2008 | CN201090386Y Horizontal type three-cylinder single-acting drill pump |
| 07/23/2008 | CN201090190Y Compression type flushing sand control device for oil-pumping well |
| 07/23/2008 | CN201090187Y Anti-block equipment for halogen-picking pipe in underground |
| 07/23/2008 | CN101228355A Automatic inlet check valve release device in a paint pump |
| 07/23/2008 | CN101228354A A piston-and-cylinder assembly |
| 07/23/2008 | CN101227936A Wound seal cover and stream discharging system |
| 07/23/2008 | CN101225817A Supporting device for maintenance of pump |
| 07/23/2008 | CN101225816A Transfiguration piston pump |
| 07/23/2008 | CN101225815A Mechanical sealing sliding bush of pump shaft |
| 07/23/2008 | CN101225814A Minitype air-supply machine |
| 07/23/2008 | CN101225809A Valve box type deposition-prevention plunger pump |
| 07/23/2008 | CN101225805A Non-leakage reversed flow type plunger pump |
| 07/23/2008 | CN100404855C Proportioning pump including integral orifice |
| 07/23/2008 | CN100404805C Central lubricating unit |
| 07/22/2008 | US7402028 Pressurisation system |
| 07/22/2008 | CA2227859C Volumetric pump with bi-directional sphincter seal |
| 07/17/2008 | WO2005100831A3 Elastomeric check valve |
| 07/17/2008 | DE10084828T5 Radialkolbenpumpe Radial piston pump |
| 07/16/2008 | EP1944511A1 Material feed receptacle for a thick matter pump |
| 07/16/2008 | EP1942967A1 Method and device for metering medicaments |
| 07/16/2008 | EP1539285B1 Nasal sprays |
| 07/16/2008 | EP1173677B8 A device comprising a combination of a chamber and a piston |
| 07/16/2008 | CN101223391A Reciprocating pump |
| 07/16/2008 | CN101223390A Piston rod seal on pumps for cryogenic media |
| 07/16/2008 | CN101220812A Membrane for reciprocating hydraulic ore slurry membrane pump and manufacturing method thereof |
| 07/16/2008 | CN101220809A Sand-prevention and oil-draining type oil pump |
| 07/16/2008 | CN101220807A Lever oil pump capable of eliminating eccentric wear and directly flushing well |
| 07/16/2008 | CN100402853C Oil pumping unit base position regulator |
| 07/16/2008 | CN100402846C Piston compressor |
| 07/15/2008 | CA2484061C High pressure pumping cartridges for medical and surgical pumping and infusion applications |
| 07/15/2008 | CA2340354E Spool valve for fluid control |
| 07/10/2008 | WO2008081164A1 Subsea chemical injection system and pumps therefor |
| 07/10/2008 | WO2008080445A1 Hydraulic piston engine |
| 07/10/2008 | WO2008033677A3 Head discharging compressor system |
| 07/10/2008 | WO2008019776A3 Piston engine unit with a hydrostatic piston engine and an auxiliary pump |
| 07/10/2008 | US20080166244 Device For Evacuating Liquids |
| 07/10/2008 | DE102007001795A1 Piston engine used as an axial piston engine comprises a spring element which pivots corresponding to the movement of a cylinder sleeve |
| 07/10/2008 | DE102007001794A1 Hydraulische Kolbenmaschine Hydraulic piston engine |
| 07/10/2008 | DE102007001793A1 Hydraulische Kolbenmaschine Hydraulic piston engine |
| 07/10/2008 | CA2674220A1 Subsea chemical injection system and pumps therefor |
| 07/09/2008 | EP1942276A2 Material feed receptacle for a thick matter pump |
| 07/09/2008 | EP1940549A2 Microfluidic membrane pump and valve |
| 07/09/2008 | EP0999115B1 Power steering device |
| 07/09/2008 | CN201083195Y Chemical composite drive anti-scaling soft plunger oil-well pump |
| 07/09/2008 | CN101216029A Compressor piston |
| 07/09/2008 | CN101216022A Plunger ported axial plunger hydraulic pump |
| 07/09/2008 | CN100400946C Valve combination for vibration pumps |
| 07/09/2008 | CN100400874C Reciprocal volume compressor and piston thereof |
| 07/09/2008 | CN100400873C Valve arrangement for reciprocating machinery such as a pump and a compressor |
| 07/09/2008 | CN100400872C Portable air compressor assembly, its support structure and operating method |