| Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199) |
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| 04/08/2009 | EP1697662B1 Phosphatized and bushingless piston and connecting rod assembly having an internal gallery and profiled piston pin |
| 04/08/2009 | CN101403381A Plunger for high abrasion-proof displacement pump |
| 04/08/2009 | CN100476267C Phosphatized and bushingless piston and connecting rod assembly having an internal gallery and profiled piston pin |
| 04/08/2009 | CN100476185C Piston for internal combustion engine |
| 04/07/2009 | US7513191 Piston head for hydraulic injection molding machine |
| 04/02/2009 | US20090084260 Pinless piston and connecting rod assembly |
| 04/02/2009 | DE202008002847U1 Kolben für eine Kolben-/Zylindereinheit eines Dosiergeräts Piston for a piston / cylinder unit of a metering device |
| 04/02/2009 | DE102008048978A1 Armierung einer Ringnut eines Kolbens für eine Brennkraftmaschine Reinforcement of a ring groove of a piston for an internal combustion engine |
| 04/02/2009 | DE102007045465A1 Kolben mit Ölversorgungsrinne für Nabenbohrungen Piston with oil supply channel for hub bores |
| 03/26/2009 | WO2009036592A1 An automobile engine assembly with multifunctional pistons |
| 03/26/2009 | US20090078409 Method and Means for Providing Time Delay in Downhole Well Operations |
| 03/26/2009 | DE10297347B4 Poröse Drossel für Gaslager Porous reactor for gas storage |
| 03/25/2009 | CN100471751C Collapsible track undercarriage for installation and tensioning |
| 03/24/2009 | US7506575 Piston |
| 03/19/2009 | WO2009006463A3 Articulated piston skirt |
| 03/19/2009 | US20090071326 Piston For Cold Chamber Die-Casting Machine |
| 03/19/2009 | DE102007044106A1 Zweiteiliger Kolben für einen Verbrennungsmotor Two-piece piston for an internal combustion engine |
| 03/19/2009 | DE102007044052A1 Internal-combustion engine, has recess forming combustion chamber area that is definable by molding of piston, and injection valve arranged in such manner that fuel is injected into definable combustion chamber area |
| 03/18/2009 | EP2037088A1 Connecting rod |
| 03/18/2009 | CN101386942A Aluminium alloy piston material formula |
| 03/17/2009 | US7503304 Internal engine piston and its production method |
| 03/11/2009 | EP2032860A1 Device at a hydraulic cylinder |
| 03/11/2009 | EP2032467A2 Liquid dispensing syringe |
| 03/11/2009 | CN201206628Y Plunger piston parts |
| 03/11/2009 | CN201206503Y Novel piston |
| 03/11/2009 | CN100467644C Composite aluminium alloy for piston and producing process |
| 03/11/2009 | CN100467340C Oil locking means of front fork of bicycle |
| 03/05/2009 | WO2009029926A1 Piston seal guide bearing |
| 03/05/2009 | WO2009028128A1 Piston of internal combustion engine |
| 03/04/2009 | CN201202805Y Piston |
| 03/04/2009 | CN101379324A Three-piece oil ring and combination of three-piece oil ring and piston |
| 03/03/2009 | US7497157 Fuel supply pump and tappet structural body |
| 02/25/2009 | EP2027383A2 Piston for internal combustion engine and internal combustion engine with the same |
| 02/25/2009 | CN201198794Y Improved diesel engine piston |
| 02/24/2009 | US7493850 Piston |
| 02/19/2009 | WO2009023702A2 Piston with a skirt having oil flow slots |
| 02/19/2009 | DE102007036017A1 Kolben für eine Kolben-Zylinder-Anordnung und Herstellungsverfahren Piston for a piston-cylinder arrangement and manufacturing processes |
| 02/12/2009 | WO2009021089A2 Small end con rod guidance piston |
| 02/12/2009 | US20090038472 Piston and Cylinder Unit |
| 02/12/2009 | US20090038471 Rotary clamp cylinder |
| 02/12/2009 | DE102007024522B4 Verbundkolbeneinheit für ein automatisiertes Fahrzeuggetriebe Composite piston unit for an automated vehicle transmission |
| 02/11/2009 | EP2021176A2 Thermal oxidation protective surface for steel pistons |
| 02/11/2009 | CN101365559A Cooling duct piston for an internal combustion engine |
| 02/05/2009 | US20090035155 Axial piston motor |
| 02/04/2009 | CN201190601Y Motorcycle piston |
| 02/04/2009 | CN100458240C Piston for an internal combustion engine |
| 02/03/2009 | US7484295 Method of mounting a metal sheet ring assembled and welded in a carrier hoop to conform the annular cooling tube of a piston of internal combustion engine |
| 01/29/2009 | WO2009014571A2 Retention system |
| 01/29/2009 | US20090025549 Piston |
| 01/29/2009 | DE10218653B4 Ringträger mit einem Kühlkanalblech, das eine Flachstelle aufweist Ring carrier with a cooling channel plate having a flat spot |
| 01/29/2009 | DE102007035640A1 Tauchkolben Plunger |
| 01/28/2009 | CN201187359Y Small discharge micro-vehicle engine piston |
| 01/28/2009 | CN101356376A Piston/cylinder unit |
| 01/28/2009 | CN100455779C SAS piston channel for optimum air scavenging |
| 01/22/2009 | US20090020007 Single-piece forged-steel piston with inner oil cooling chamber and a method for manufacturing thereof |
| 01/22/2009 | US20090020006 Combination of a piston and a piston ring |
| 01/21/2009 | EP1740854B1 Method for the production of a piston pin |
| 01/21/2009 | CN100453253C One-piece piston |
| 01/15/2009 | WO2009006978A1 Piston of an internal combustion engine with an increased inclination of the box walls of the piston |
| 01/15/2009 | US20090013866 Three-piece oil ring and combination of the three-piece oil ring and piston |
| 01/15/2009 | US20090013865 Piston for a Reciprocating-Piston Internal Combustion Engine Provided with Hardened Piston Ring Grooves |
| 01/15/2009 | US20090013531 Method, production line, and piston blank used for the production of a monolithic piston for combustion engines, and piston for combustion engines |
| 01/14/2009 | CN201180781Y Plastic piston group with long service life |
| 01/14/2009 | CN101346555A Piston for a hydraulic brake and method for production thereof |
| 01/08/2009 | WO2009006463A2 Articulated piston skirt |
| 01/08/2009 | WO2009004046A1 A compressor |
| 01/07/2009 | EP2010804A1 Assembly of cylinder and piston, and piston for use therein |
| 01/07/2009 | CN101338707A Piston, piston ring assembly for internal combustion engine |
| 01/06/2009 | US7473035 Bearing assembly and method for manufacturing the same |
| 01/06/2009 | US7472674 Method of manufacture of a piston for an internal combustion engine, and piston thus obtained |
| 01/01/2009 | US20090004063 Apparatus and method for actuating a syringe |
| 01/01/2009 | US20090000470 Method of Producing a Piston for an Internal Combustion Engine and Piston for an Internal Combustion Engine |
| 12/31/2008 | WO2009002014A1 Sealing apparatus for square piston used for compressing and feeding fluid |
| 12/31/2008 | CN201173287Y Electric pickaxe piston |
| 12/25/2008 | US20080314241 Piston Comprising a Circumferential Radial Recess Located Below an Annular Groove |
| 12/25/2008 | US20080314240 Two-piece twist lock piston |
| 12/24/2008 | DE102007027329A1 Internal combustion engine piston made of light metal, has piston upper part that has combustion chamber cavity in area of piston base where ring area is provided, outside for receiving piston rings |
| 12/24/2008 | CN101331308A Piston for an internal combustion engine |
| 12/24/2008 | CN100445608C Piston pin bearing for pistons of an internal combustion engine |
| 12/24/2008 | CN100445544C Piston with pressure-reducing piston ring |
| 12/18/2008 | US20080307958 Two-part piston for an internal combustion engine |
| 12/18/2008 | US20080307957 Piston-Pin Bore Dimensions for a Piston of an Internal Combustion Engine |
| 12/17/2008 | EP2002159A1 Pin bosses of a piston for an internal combustion engine |
| 12/17/2008 | EP1242759B1 Piston having uncoupled skirt |
| 12/17/2008 | CN201166109Y Novel friction pair |
| 12/11/2008 | WO2008150316A2 Blast simulator with high velocity actuator |
| 12/09/2008 | US7461583 Variable tension ring mechanism |
| 12/09/2008 | CA2354904C Piston ring locator |
| 12/03/2008 | CN101315125A Novel piston for preventing engine knocks |
| 12/03/2008 | CN100439069C Use of plastic to produce automobile brake main cylinder piston and process |
| 12/02/2008 | US7458313 Tubular piston for a piston engine and method producing a tubular piston |
| 11/27/2008 | US20080289491 Powder-Metallurgically Produced Piston Body Comprising Support Webs |
| 11/27/2008 | US20080289328 Power Piston Sealing Assembly |
| 11/27/2008 | DE19848649C5 Kohlenstoffkolben für eine Brennkraftmaschine Carbon piston for an internal combustion engine |
| 11/27/2008 | DE102007024522A1 Verbundkolbeneinheit für ein automatisiertes Fahrzeuggetriebe Composite piston unit for an automated vehicle transmission |
| 11/20/2008 | US20080282695 Displacer Piston Assembly |
| 11/19/2008 | EP1350045B1 Method for producing a ring support with a sheet metal cooling channel welded thereon |
| 11/19/2008 | CN101307794A Screw thread escaping-proof structure and oil cylinder possessing the structure |
| 11/18/2008 | US7451737 Powertrain of an internal combustion engine with piston and connecting rod |
| 11/13/2008 | WO2008100246A3 Self-retaining anti-rotation clip |