| 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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| 04/10/2013 | CN103032301A Y-shaped wear-resistant eyeglass sheet and manufacturing method |
| 04/10/2013 | CN103032298A Efficient general type piston oil-well pump |
| 04/10/2013 | CN101956694B Coal powder-prevention tubular discharging and extracting pump |
| 04/09/2013 | US8414776 Method, apparatus, and magnet for magnetically treating fluids |
| 04/09/2013 | US8414277 Manual pump also capable of dispensing high pressure compressed gas cartridges |
| 04/09/2013 | US8414276 Piston pump for a vehicle brake system with a sealing element |
| 04/09/2013 | US8414272 Mount for a compression control unit |
| 04/04/2013 | WO2013048792A1 Positive displacement pump and suction valve module therefor |
| 04/04/2013 | WO2013045165A1 Fuel pump assembly |
| 04/04/2013 | US20130084196 Aggregate, In Particular A Hybrid Engine, Electrical Power Generator Or Compressor |
| 04/04/2013 | US20130081536 Pump piston assembly with acoustic dampening device |
| 04/04/2013 | DE10223844B4 Wasserhydraulische Maschine Water hydraulic machine |
| 04/04/2013 | DE102011115665A1 Valve-controlled hydraulic machine e.g. hydraulic pump has cylinder-piston units that are operated in optimal mode, and are disabled immediately after passing through dead center, and activated during majority of total stroke |
| 04/04/2013 | DE102011115272A1 Hydrostatic radial piston engine has rotor, which is rotatable about rotation axis and has cylinder-piston units, which are circumferentially distributed on rotor |
| 04/04/2013 | CA2850056A1 Piston pump and piston assembly therefor |
| 04/04/2013 | CA2846623A1 Positive displacement pump and suction valve module therefor |
| 04/03/2013 | CN202851676U Caprolactone bearing |
| 04/03/2013 | CN202851327U Working pump connecting device convenient to disassemble |
| 04/03/2013 | CN202851326U Triplex high pressure plunger pump seal box |
| 04/03/2013 | CN202851325U 眼镜板 Glasses, plates |
| 04/03/2013 | CN202851318U Oil pumping device with bottom anti-eccentric |
| 04/03/2013 | CN202851316U Installing fast type peristaltic pump |
| 04/03/2013 | CN202851313U Diaphragm pump and water inlet outlet runner device thereof |
| 04/03/2013 | CN202851284U Portable lifting pump |
| 04/03/2013 | CN202851283U Vacuum feeding device |
| 04/03/2013 | CN103016507A Transmission shaft applied to hydraulic pump |
| 04/03/2013 | CN103016335A High pressure oil pump lubricating oil passage of direct injection gasoline engine |
| 04/03/2013 | CN103016334A Wear-resistant concrete conveying cylinder and preparation process of wear-resistant concrete conveying cylinder |
| 04/03/2013 | CN103016333A Engineering plastic water pump shell with metal framework in local part |
| 04/03/2013 | CN103016332A Distribution valve, material pumping system, concrete pump and fire pump truck |
| 04/03/2013 | CN103016331A Plunger-type water absorbing and discharging valve |
| 04/03/2013 | CN103016330A Valve flow distribution ultrahigh-pressure axial plunger pump |
| 04/03/2013 | CN103016329A Axial positioning structure of high-suction-pressure pump |
| 04/03/2013 | CN103016328A Novel rotating structure of plate-flow-distribution radial variable-displacement plunger pump |
| 04/03/2013 | CN103016320A Film pump for pulping and papermaking |
| 04/03/2013 | CN103016318A Valveless piezoelectric pump based on wall attachment effect |
| 04/03/2013 | CN103016317A Three-cavity valveless piezoelectric pump based on wall-attachment effect |
| 04/03/2013 | CN103016290A Oil field profile control pump |
| 04/03/2013 | CN103016288A Distribution radial high-pressure plunger pump of servo variable plate |
| 04/03/2013 | CN102174934B Safe start check valve for fire pump |
| 04/03/2013 | CN101532486B Hydraulic pump, oil pumping unit, oil pumping module and oil pumping system |
| 04/02/2013 | US8408886 High pressure plunger pump |
| 03/28/2013 | WO2012148180A3 Swashplate-type compressor |
| 03/27/2013 | EP2572107A2 Removable shim clip for adjustable piston pump |
| 03/27/2013 | EP2572106A2 Method and apparatus for installation and removal of a valve cover |
| 03/27/2013 | CN202834534U Concrete conveying elbow pipe and concrete pumping device |
| 03/27/2013 | CN202833113U Sand prevention completion pipe string of electric submersible pump |
| 03/27/2013 | CN202833112U Pumping over medium filter for condensate pump |
| 03/27/2013 | CN202833111U Separating-type filter device for pump inlet |
| 03/27/2013 | CN202833110U Detachable filter screen |
| 03/27/2013 | CN202833109U Self-closing door oil pump |
| 03/27/2013 | CN202833108U Diaphragm pump bearing lubricating device |
| 03/27/2013 | CN202833107U Oil cylinder structure of diaphragm pump |
| 03/27/2013 | CN202833106U Ceramic cylinder liner of profile control injection pump |
| 03/27/2013 | CN202833105U Plunger spinning device |
| 03/27/2013 | CN202833104U Slurry rod capable of freely adjusting coaxiality of cylinder sleeve and piston |
| 03/27/2013 | CN202833103U Plunger |
| 03/27/2013 | CN202833102U Split type traveling valve |
| 03/27/2013 | CN202833101U Oil well pump standing valve cover |
| 03/27/2013 | CN202833100U Grease return resistant device for grease pump |
| 03/27/2013 | CN202833099U Anti abrasive tubular oil well pump valve cover |
| 03/27/2013 | CN202833098U Heavy oil production increasing pump |
| 03/27/2013 | CN202833097U Leakage-proof oil-well pump valve |
| 03/27/2013 | CN202833096U Coke quenching pump mechanical seal cooling device |
| 03/27/2013 | CN202833095U Oil cylinder guide rod support sleeve for membrane pump |
| 03/27/2013 | CN202833094U Speed reducer of pumping unit |
| 03/27/2013 | CN202833093U Connecting mechanism of vehicle-mounted plunger pump for well cementation |
| 03/27/2013 | CN202833092U Novel water injection pump |
| 03/27/2013 | CN202833091U Sealing device of plunger pump in three compound combination flooding preparation and filling system |
| 03/27/2013 | CN202833090U Support device of positive displacement membrane pump |
| 03/27/2013 | CN202833089U Large-scale space division circulating liquid argon pump labyrinth seal |
| 03/27/2013 | CN202833088U Wear-resisting ring used for glasses plate or cutting ring and glasses plate and cutting ring provided with the same |
| 03/27/2013 | CN202833087U Self-help separated lubricating anti-eccentric-abrasion device of sucker rod pump well with high water content |
| 03/27/2013 | CN202833086U Crosshead locknut for motive power end of large-scale membrane pump |
| 03/27/2013 | CN202833085U Oil well pump pumping-assisting production-increase device |
| 03/27/2013 | CN202833084U High pressure plunger pump |
| 03/27/2013 | CN202833083U Water spray ring of plunger pump |
| 03/27/2013 | CN202833082U Locating locking sleeve and hydraulic cylinder body structure provided with the same |
| 03/27/2013 | CN202833081U Oil pump automatic booster device |
| 03/27/2013 | CN202833080U Reciprocating pump split type rolling bearing crankshaft assembly |
| 03/27/2013 | CN202833079U Reciprocating pump split type rolling bearing connecting rod |
| 03/27/2013 | CN202833078U Water closing device of water pump |
| 03/27/2013 | CN202833077U Spring seat |
| 03/27/2013 | CN202833076U Electric pump pumping well sand-blocking device |
| 03/27/2013 | CN202833075U Protecting device of peristaltic pump elastic flexible pipe |
| 03/27/2013 | CN202833074U Suction tube of slush pump and slush pump |
| 03/27/2013 | CN202833073U Cleaning machine water pump sealing piece |
| 03/27/2013 | CN202833072U Novel high-pressure plunger pump |
| 03/27/2013 | CN202833059U Corrosion resisting oil exploitation pump |
| 03/27/2013 | CN202833058U Special plunger pump for coal-bed gas well |
| 03/27/2013 | CN202833057U Sand prevention oil-well pump |
| 03/27/2013 | CN202833054U Pneumatic diaphragm pump with liquid inlet at upper portion and liquid outlet at lower portion |
| 03/27/2013 | CN202833012U Double-fuel fuel pump |
| 03/27/2013 | CN202833009U Ball valve type mortar pump |
| 03/27/2013 | CN202833006U Plunger slurry pump |
| 03/27/2013 | CN202833005U Improved hand pump for diesel engine fuel delivery pump |
| 03/27/2013 | CN202833001U Swash plate type rotary valve flow distributing pure water plunger pump |
| 03/27/2013 | CN202833000U Variable plunger pump |
| 03/27/2013 | CN202832953U Hydraulic device for raising water level by using tidal energy |
| 03/27/2013 | CN102996434A Dustproof safety valve |