| Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199) |
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| 11/13/2008 | US20080276919 Piston, A Ring and a Piston Assembly for a Two Cycle Engine |
| 11/13/2008 | US20080276799 Aluminum piston with an incorporated seal |
| 11/06/2008 | WO2008131739A1 Piston for an internal combustion engine |
| 11/06/2008 | WO2007146962A3 Joint assembly and related methods |
| 11/05/2008 | CN201145032Y Ceramic cylinder |
| 10/30/2008 | WO2008131430A1 A reciprocating pump having a piston assembly |
| 10/30/2008 | WO2008129391A1 Pinless cranktrain for internal combustion engines and compressors |
| 10/30/2008 | US20080267692 Friction Coupling, Friction Assembly and Press Table Comprising a Friction Coupling, and a Method |
| 10/30/2008 | US20080264247 Lightweight Piston |
| 10/29/2008 | CN101297138A Piston |
| 10/29/2008 | CN100429400C Liquid state forging die method manufactured automobile air compressor piston and its manufacturing technology |
| 10/23/2008 | WO2008127471A1 Methods and apparatus for a fluid or slurry pump piston |
| 10/23/2008 | US20080257143 Methods and apparatus for a fluid or slurry pump piston |
| 10/22/2008 | EP1983232A1 Pinless cranktrain for internal combustion engines and compressors |
| 10/22/2008 | EP1697663A4 Viscous material dispenser piston |
| 10/16/2008 | WO2008124553A1 Piston assembly and wrist pin therefor providing a method of controlling rotation of the wrist pin within corresponding piston pin bores and connecting rod wrist pin bore |
| 10/15/2008 | CN201133392Y Capsules type single-action plunger hydraulic cylinder |
| 10/15/2008 | CN201133337Y Compressor piston |
| 10/15/2008 | CN101287936A Piston comprising a circumferential radial recess located below an annular groove |
| 10/15/2008 | CN101287891A Cam driven piston compressor |
| 10/15/2008 | CN100425888C Press |
| 10/09/2008 | WO2008090582B1 Piston for reciprocating compressors, in particular for hydrogen gas5 and relating reciprocating compressors |
| 10/09/2008 | US20080245231 Piston, Especially Cooling Channel Piston, of an Internal Combustion Engine, Comprising Three Friction Welded Zones |
| 10/09/2008 | US20080245230 Piston assembly and wrist pin therefor providing a method of controlling rotation of the wrist pin within corresponding piston pin bores and connecting rod wrist pin bore |
| 10/09/2008 | US20080245228 Shape Detail of a Piston to Avoid Jamming Within a Distorted Bore |
| 10/08/2008 | EP1978286A1 Low-friction slide member, production apparatus therefor and process for producing the same |
| 10/08/2008 | EP1977115A1 Piston /cylinder unit |
| 10/08/2008 | EP1977102A2 Piston for an internal combustion engine and method for production thereof |
| 10/08/2008 | CN101280734A Improved diesel engine piston |
| 10/02/2008 | US20080236387 Piston assembly in fluid pressure cylinder |
| 10/02/2008 | US20080236386 Piston |
| 10/01/2008 | EP1973691A1 Cooling duct piston for an internal combustion engine |
| 10/01/2008 | EP1880130B1 Pin for swivel joints on crank mechanisms |
| 10/01/2008 | CN101278126A 压缩机单元 Compressor unit |
| 09/30/2008 | US7428862 Cladded axial motor/pump piston and method of producing same |
| 09/25/2008 | US20080229922 Piston ring |
| 09/24/2008 | EP1972773A2 A lubricant-cooled and wristpin lubricating piston |
| 09/24/2008 | EP1971707A1 Piston for an internal combustion engine |
| 09/20/2008 | CA2625901A1 A lubricant-cooled and wristpin lubricating piston |
| 09/18/2008 | US20080224535 Track belt tension system and method |
| 09/18/2008 | US20080223211 Piston for an Internal Combustion Engine and Method for Coating Its Pin Bores |
| 09/17/2008 | EP1812202B1 Method of manufacturing a connecting rod assembly for an internal combustion engine |
| 09/17/2008 | EP1812201B1 Method of manufacturing a connecting rod assembly for an internal combustion engine |
| 09/17/2008 | CN201116579Y Composite piston used for shock absorber |
| 09/16/2008 | CA2403178C Piston engine |
| 09/12/2008 | WO2008107041A1 Extending bore geometry of a connecting rod bore of a connecting rod of an internal combustion engine |
| 09/11/2008 | DE102007011488A1 Verlaufende Bohrungsgeometrie einer Pleuelbohrung eines Pleuels einer Brennkraftmaschine Leveling bore geometry of a connecting rod bore of a connecting rod of an internal combustion engine |
| 09/11/2008 | DE102006008910B4 Kolbenbolzen mit Gleitschichten für Pleuelaugen in Verbrennungsmotoren Piston pin with overlays for connecting rod in internal combustion engines |
| 09/10/2008 | EP1966507A1 Piston for a hydraulic brake and method for production thereof |
| 09/09/2008 | US7421939 Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 09/04/2008 | US20080211150 Piston and gas spring assembly including same |
| 09/03/2008 | EP1963720A1 Piston for an internal combustion engine and method for its production |
| 09/03/2008 | EP1963677A1 Compressor unit |
| 09/03/2008 | EP1963654A2 Piston for an internal combustion engine |
| 09/03/2008 | CN201110372Y Piston for air pressure transmission |
| 09/03/2008 | CN201110371Y Annular groove piston |
| 09/03/2008 | CN100416096C Reciprocating compressor and its manufacturing method |
| 08/28/2008 | US20080202329 Piston for a piston-cylinder unit |
| 08/28/2008 | DE102007009011A1 Kolben für ein Kolben-Zylinder-Aggregat Piston for a piston-cylinder assembly |
| 08/27/2008 | CN201106595Y Adjustable dual-speed slow-opening slow-closing oil cylinder |
| 08/27/2008 | CN100414149C Rolling piston capable of changing sliding friction to rolling friction between piston and cylinder |
| 08/14/2008 | US20080190286 Blast simulator with high velocity actuator |
| 08/13/2008 | EP1956240A1 Crank drive for a piston compressor |
| 08/13/2008 | EP1954966A1 Piston comprising a circumferential radial recess located below an annular groove |
| 08/13/2008 | CN201100404Y Hydraulic sliding prevention braking system piston |
| 08/13/2008 | CN100410441C Lubrication free connection |
| 08/07/2008 | WO2008092986A1 Piston construction |
| 08/07/2008 | WO2008092294A1 A piston of an internal combustion engine |
| 08/07/2008 | US20080184879 Piston having improved wear resistance and method of making |
| 08/07/2008 | US20080184878 Piston for internal combustion engine, compressor or the like |
| 08/07/2008 | DE102007006641A1 Crank gear for two-stage piston compressor i.e. brake air compressor, has bolt bearing i.e. antifriction bearing, for supporting piston pin, pin bearing i.e. friction bearing, on crank shaft, and connection for making admission of oil mist |
| 08/06/2008 | CN100408874C Driving mechanism of a combustion engine comprising a piston and a piston rod |
| 08/05/2008 | US7406940 Piston for internal combustion engine |
| 07/31/2008 | WO2008090582A1 Piston for reciprocating compressors, in particular for hydrogen gas5 and relating reciprocating compressors |
| 07/31/2008 | WO2008089803A1 Method for producing a piston for an internal combustion engine comprising a cooling duct, realized by joining the upper part of the piston and the lower part of the piston by means of a forged-upset connection |
| 07/30/2008 | CN201092988Y Hydraulic oil cylinder |
| 07/29/2008 | CA2496129C Engine piston channel for optimum air scavenging |
| 07/24/2008 | DE102007061124A1 Gestaltung der oberen Fase eines Kolbens zur Minderung von Geräusch und Reibung Design of the upper bevel of a piston to reduce noise and friction |
| 07/23/2008 | CN201090728Y Hydraulic cylinder piston shaft support structure of power-driven steering mechanism for automobile |
| 07/23/2008 | CN201090727Y Framework cover plastic piston |
| 07/17/2008 | DE3903722C5 Kolben-Kolbenring-Anordnung für einen Verbrennungsmotor Piston and piston ring assembly for an internal combustion engine |
| 07/16/2008 | EP1943444A1 Piston |
| 07/16/2008 | CN101220862A 被动重新定相活塞 Passive rephasing piston |
| 07/15/2008 | US7399733 Metallic sliding member, piston for internal combustion engine, method of surface-treating these, and apparatus therefor |
| 07/10/2008 | WO2008080543A1 Piston pin for a combustion engine and method for its manufacture |
| 07/10/2008 | US20080163751 Coated piston and coating method |
| 07/10/2008 | DE102006061484B3 Internal combustion engine has cylinder, where attachment piece has cam groove, through which pin is mounted in piston parallely relative to piston pin |
| 07/10/2008 | CA2617166A1 Passively rephasing piston |
| 07/09/2008 | CN101218436A Piston for a working cylinder |
| 07/09/2008 | CN101216056A Large journey low-temperature extension hydraulic cylinder manufacture method |
| 07/08/2008 | US7395797 Piston for internal combustion engine |
| 07/03/2008 | US20080156185 Piston pin for a combustion engine and method for its manufacture |
| 07/02/2008 | EP1856431B1 Shape detail of a piston to avoid jamming within a distorted bore |
| 07/02/2008 | CN201081012Y Special-shaped inner-cooling oil reservoir structure piston |
| 07/02/2008 | CN101210554A Compressor connecting bar |
| 06/26/2008 | US20080148933 Piston top chamfer design to reduce noise and friction |
| 06/26/2008 | DE102006060015A1 Hohlkolben für eine Axialkolbenmaschine Hollow piston for an axial |
| 06/25/2008 | EP1936244A1 Piston of an internal combustion engine equipped with a single-piece sealing system |
| 06/25/2008 | CN201078470Y Walking beam oil cylinder piston |
| 06/25/2008 | CN201078279Y Telescopic piston apparatus |