| Patents for F16J 1 - Pistons; Trunk pistons; Plungers (5,199) |
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| 10/07/2009 | CN101551017A Novel labyrinth seal structure for hydraulic element |
| 10/01/2009 | US20090241770 Power assembly for internal combustion engine with welded-in piston scraper |
| 10/01/2009 | DE102008014859A1 Piston for internal combustion engine, has pressure recess extending along upper groove surface from mantle surface, in such way that pressure recess ends before groove base in radial direction of piston head towards piston axis |
| 09/30/2009 | EP1899611B1 Piston for a working cylinder |
| 09/24/2009 | WO2009051493A3 Piston pump |
| 09/24/2009 | US20090235815 Piston with built-in seal |
| 09/23/2009 | CN201314375Y Piston for hydraulic cylinder |
| 09/16/2009 | CN201310620Y Internal automatic compensation piston |
| 09/10/2009 | US20090223364 Piston device and manufacturing method thereof |
| 09/10/2009 | US20090223363 Piston device |
| 09/08/2009 | US7584694 Composite piston for an internal combustion engine |
| 09/03/2009 | WO2009076380A3 Piston assembly and connecting rod having a profiled wrist pin bore therefor |
| 09/03/2009 | US20090217816 Bolt securing assembly and method for repairing a worn bolt securing assembly |
| 09/02/2009 | EP2096337A1 Piston |
| 09/02/2009 | EP2094997A1 Piston for an internal combustion engine |
| 09/02/2009 | CN100535423C Piston for internal combustion engine and preparation method thereof |
| 09/01/2009 | US7581315 Connecting rod assembly for an internal combustion engine and method of manufacturing same |
| 08/27/2009 | WO2009104030A2 Piston with support insert |
| 08/27/2009 | DE102007042145B4 Belastungs- und kostenoptimierte Bolo-Buchse Stress and cost-optimized Bolo jack |
| 08/27/2009 | DE102005030556B4 Mehrteiliger Kolben und Verfahren zur Herstellung eines mehrteiligen Kolbens Multi-part piston and method of manufacturing a multi-piece piston |
| 08/26/2009 | EP2093464A1 Bolt securing assembly and method for repairing a worn bolt securing assembly |
| 08/26/2009 | EP2093406A1 A piston head which can be rapidly assembled/disassembled by a hydraulic key installed within the rod |
| 08/26/2009 | CN201297378Y Piston rod of piston cylinder |
| 08/25/2009 | US7578229 Piston produced from a single forged or cast piston blank |
| 08/20/2009 | WO2009068494A3 Piston and method for the production thereof |
| 08/20/2009 | US20090205487 Pressure Cylinder with Composite Piston Rod and Method for Preparing a Composite Piston Rod |
| 08/19/2009 | CN201293093Y Hydraulic shifting control mechanism for manual transmission |
| 08/19/2009 | CN100528466C Method of manufacturing a connecting rod assembly for an internal combustion engine |
| 08/19/2009 | CA2654628A1 A tank having a piston pressurized by hot gas |
| 08/12/2009 | CN101504075A Line contact type spherical hinge kinematic pair |
| 08/12/2009 | CN101504074A 液压缸 Hydraulic cylinder |
| 08/06/2009 | WO2009097060A1 Piston and connecting rod assembly |
| 08/06/2009 | US20090193966 Compressor Piston |
| 08/06/2009 | US20090193965 Piston arrangement |
| 08/05/2009 | CN201284784Y Screw-thread anti-loosening structure and oil cylinder with the same |
| 08/05/2009 | CN101501371A Piston portion for a piston assembly and a piston assembly |
| 08/05/2009 | CN100523567C Piston for automatic transmission |
| 07/30/2009 | US20090188464 Piston for an internal combustion engine |
| 07/28/2009 | CA2559964C Free piston with time varying clearance seal |
| 07/23/2009 | US20090183629 Piston for radial piston hydraulic engine and method for making same |
| 07/22/2009 | EP1327089B1 Multi-axially forged piston |
| 07/16/2009 | DE102008063752A1 Piston rod connection for use in master cylinder of hydraulic actuation system in vehicle, has piston rod including groove shaped recesses at end staying in operative connection with piston, where recesses correspond with elevations |
| 07/15/2009 | CN201273370Y Split type piston for hydraulic cylinder |
| 07/15/2009 | CN101482176A Piston rod connecting device |
| 07/08/2009 | EP1744946B1 Collapsible track undercarriage for installation and tensioning |
| 07/02/2009 | WO2009046187A3 Hybrid bearing cylinder |
| 07/02/2009 | US20090165743 Piston for an Internal Combustion Engine and Method for Its Production |
| 07/02/2009 | US20090165641 Piston for a hydraulic motor having radial pistons, and a method of manufacturing such a piston |
| 07/01/2009 | CN201265647Y 活塞 Piston |
| 06/25/2009 | WO2009076938A1 Pin boss and piston having the same, for an internal combustion engine |
| 06/25/2009 | US20090158925 Method for attaching a ring element to a piston for an internal combustion engine |
| 06/24/2009 | EP1910644A4 Cam driven piston compressor |
| 06/24/2009 | CN100504121C Method and device for the production of a piston pin |
| 06/24/2009 | CN100504057C Piston having a patterned coating and method of applying same |
| 06/24/2009 | CN100503143C Method for producing a piston for an internal combustion engine |
| 06/23/2009 | USRE40760 Regulator for automatically adjusting the length of an actuating link |
| 06/18/2009 | WO2009076380A2 Piston assembly and connecting rod having a profiled wrist pin bore therefor |
| 06/18/2009 | US20090151556 Two-part piston for an internal combustion engine |
| 06/18/2009 | US20090151555 Piston with a cooling gallery |
| 06/18/2009 | US20090151554 Hydrostatic displacement unit |
| 06/18/2009 | DE102007060473A1 Bolzennabe sowie damit versehener Kolben für einen Verbrennungsmotor Pin boss and provided therewith piston for an internal combustion engine |
| 06/18/2009 | DE102007060472A1 Zweiteiliger Kolben für einen Verbrennungsmotor Two-piece piston for an internal combustion engine |
| 06/11/2009 | US20090145295 Cooling gallery insert for a piston |
| 06/10/2009 | DE102007058789A1 Gusskolben mit Stützrippen und Verfahren zur Herstellung eines solchen Kolbens Cast piston with support ribs and method for producing such a piston |
| 06/10/2009 | DE102007009011B4 Kolben für ein Kolben-Zylinder-Aggregat Piston for a piston-cylinder assembly |
| 06/09/2009 | US7543557 Scuff resistant aluminum piston and aluminum cylinder bore combination and method of making |
| 06/04/2009 | WO2009068125A1 Functionally optimized design of the piston-ring field region in steel pistons |
| 06/04/2009 | DE102007057840A1 Funktionsoptimierte Gestaltung des Kolben-Ringfeldbereiches bei Stahlkolben Function-optimized design of the piston ring zone area for steel pistons |
| 06/04/2009 | DE10134293B4 Gekühlter Ringträger für einen Kolben Cooled ring carrier for a piston |
| 06/03/2009 | EP1877659B1 Piston for a combustion engine and method for coating the hub bores thereof |
| 06/03/2009 | CN100494676C Oilless reciprocating fluid machine |
| 05/26/2009 | US7536945 Piston pin for a combustion engine and method for its manufacture |
| 05/20/2009 | CN201241889Y Low-abrasion air cylinder with novel piston |
| 05/20/2009 | CN201241762Y High speed lubrication engine piston |
| 05/20/2009 | CN201241614Y Cylinder scraping-proof structure of hydraulic rock drill |
| 05/20/2009 | CN101435457A Fixing device of pull rod and nut |
| 05/14/2009 | US20090120283 Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination |
| 05/14/2009 | US20090120282 Hydraulic Cylinder Piston |
| 05/14/2009 | US20090120281 Magnetic-tipped piston |
| 05/07/2009 | US20090116978 Refrigerant compressor |
| 05/07/2009 | US20090114087 Pin bosses of a piston for an internal combustion engine |
| 05/07/2009 | DE102007052498A1 Manufacturing forged piston for internal combustion engine with piston shaft and piston head, comprises inserting holder for insert parts into a casting mold, fixing the insert part in the holder by retaining means, and casting a cast part |
| 05/06/2009 | CN101424341A High-load special-shaped hole |
| 04/29/2009 | EP2052168A1 Piston portion for a piston assembly and a piston assembly |
| 04/29/2009 | EP2052155A1 Piston-driving rod arrangement for reciprocating compressor |
| 04/29/2009 | EP1554511A4 Developer cartridge including sealing gasket |
| 04/29/2009 | CN201228768Y Sealed piston ring type piston |
| 04/28/2009 | US7523818 Vibration damper with amplitude-selective damping force |
| 04/23/2009 | DE102007050214A1 Kolben für einen Verbrennungsmotor Piston for an internal combustion engine |
| 04/23/2009 | DE102007050213A1 Kolben für einen Verbrennungsmotor Piston for an internal combustion engine |
| 04/23/2009 | CA2702994A1 Piston pump |
| 04/22/2009 | EP1660769B1 Split piston for an internal combustion engine |
| 04/22/2009 | CN201225160Y Full-closed rubber piston |
| 04/16/2009 | WO2009046558A1 Device for lubricating the bearing points of a connecting rod, operating method therefor and plunger pump comprising a device of this type |
| 04/16/2009 | WO2009021089A3 Small end con rod guidance piston |
| 04/15/2009 | EP1628815B1 Lubrication free connection |
| 04/14/2009 | US7516546 Method of manufacturing a connecting rod assembly for an internal combustion engine |
| 04/09/2009 | WO2009046187A2 Hybrid bearing cylinder |
| 04/09/2009 | WO2009023702A3 Piston with a skirt having oil flow slots |
| 04/09/2009 | DE19524312B4 Kolben für einen Nehmerzylinder einer hydraulisch betätigbaren Reibungskupplung Pistons for a slave cylinder of a hydraulically actuated friction clutch |