| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 05/31/2006 | EP1660793A1 Oil scraper ring for pistons of internal combustion engines |
| 05/31/2006 | EP1660792A1 Oil scraper ring for pistons of internal combustion engines |
| 05/31/2006 | CN2784597Y Superposed open type piston ring and piston ring assembly |
| 05/31/2006 | CN1780997A Piston for a large-size engine, and method for the production of a wear-resistant layer in such a piston |
| 05/30/2006 | US7052019 Piston ring and method of manufacturing the same |
| 05/30/2006 | US7052018 Piston ring having wear resistant composition |
| 05/26/2006 | WO2006054769A1 Piston of internal combustion engine and combination of piston with piston ring of internal combustion engine |
| 05/26/2006 | WO2006053489A1 Oil sealing ring |
| 05/24/2006 | CN1776263A Forced sealing oil ring |
| 05/24/2006 | CN1776019A Hard composite nano ceramic film cladding for use on engine piston ring sarface |
| 05/18/2006 | DE102004053454A1 Piston ring with rear cutting |
| 05/17/2006 | EP1657477A1 Spacer expander |
| 05/17/2006 | CN1256506C Self lubricated non-sealed piston ring for IC engine fastener driving tool |
| 05/16/2006 | US7044473 Piston and piston ring assembly |
| 05/16/2006 | US7044472 Combined steel oil control ring |
| 05/11/2006 | US20060100374 Gasket material |
| 05/10/2006 | EP1655522A1 Piston ring |
| 05/10/2006 | EP1476587B1 Piston ring comprising a pvd coating |
| 05/10/2006 | CN1771387A Combination oil ring |
| 05/10/2006 | CN1769751A Single seat shaped valve device |
| 05/04/2006 | US20060091613 Sealing collar |
| 05/03/2006 | CN2777289Y Piston ring |
| 05/02/2006 | US7036823 Side rail and combined oil control ring incorporated with the side rails for reduction of oil consumption |
| 04/27/2006 | DE10212299B4 Verfahren zur Aufbringung thermischer Spritzschichten auf galvanisch beschichtete Kolbenringe sowie ein nach dem Verfahren hergestellter Kolbenring Method for applying thermal spray coatings on zinc coated piston rings and a piston ring produced by the method |
| 04/27/2006 | DE102004050584A1 Dichtungsanordnung mit Stützring und Stützring Seal assembly with support ring and backup ring |
| 04/26/2006 | CN2775405Y High air tight piston ring |
| 04/26/2006 | CN2775323Y Internal combustion engine piston compressing ring |
| 04/26/2006 | CN1764776A Oil ring, manufacturing method thereof, and piston structure using the oil ring |
| 04/26/2006 | CN1764745A Composite chromium plating film and sliding member having the same and method for manufacture thereof |
| 04/20/2006 | US20060081126 Oil ring, manufacturing method thereof, and piston structure using the oil ring |
| 04/12/2006 | CN1757897A Combined piston ring |
| 04/11/2006 | US7024982 Combination of piston and piston ring |
| 04/11/2006 | US7024866 Axial loaded seal system with a static L-seal |
| 04/06/2006 | US20060070597 Reciprocating engine |
| 04/04/2006 | US7021447 Apply piston seal for a clutch |
| 03/28/2006 | US7017914 Piston assembly and method of manufacture |
| 03/23/2006 | US20060061043 Three piece-combined oil ring |
| 03/22/2006 | CN2766047Y Combined piston ring |
| 03/16/2006 | US20060055120 Seal ring |
| 03/15/2006 | EP1634000A1 Reciprocating piston engine |
| 03/09/2006 | US20060049583 Oil-control ring of piston |
| 03/08/2006 | EP0912846B8 Seals for hydraulic assemblies |
| 03/08/2006 | CN2763548Y Seal piston ring of arc-face and ring edge for internal combustion engine |
| 03/08/2006 | CN2763456Y Seal device for whipstock |
| 03/08/2006 | CN1745239A Reciprocating engine |
| 03/02/2006 | DE102004040055A1 Gusseisenwerkstoff für Kolbenringe Cast iron material for piston rings |
| 03/01/2006 | EP1630339A2 Piston for a door closer or for a door drive |
| 02/28/2006 | US7004476 Combustion gas seal for injector |
| 02/28/2006 | US7003878 Method for producing a ring support with a sheet metal cooling channel welded thereon |
| 02/23/2006 | WO2006018054A1 High-strength, wear-resistant, corrosion-resistant cast iron material |
| 02/23/2006 | WO2006018053A1 Cast iron material for piston rings |
| 02/23/2006 | US20060040124 Composite chromium plating film and sliding member having the same and method for manufacture thereof |
| 02/23/2006 | US20060038355 Seal ring |
| 02/23/2006 | DE102004040056A1 Hoch- und verschleißfester, korrosionsbeständiger Gusseisenwerkstoff High and wear resistant, corrosion-resistant cast iron material |
| 02/22/2006 | CN1243189C Single seat valve |
| 02/21/2006 | US7001670 Wear protection layer for piston rings, containing wolfram carbide and chromium carbide |
| 02/14/2006 | US6997460 Piston ring for piston engines |
| 02/09/2006 | US20060027976 Combination oil ring |
| 02/09/2006 | US20060027096 Piston system and a piston-cylinder device provided therewith |
| 02/08/2006 | EP1029184B1 Improved accumulator piston |
| 02/02/2006 | US20060022375 Apply piston seal for a clutch |
| 02/02/2006 | DE102004032342A1 Production of a coating on the outer peripheral surface of a base body of a piston ring used in combustion engines comprises applying a lower layer to the peripheral surface by thermal spraying and applying an upper wear protection layer |
| 01/26/2006 | US20060017231 Cylinder head gasket with data transmitter |
| 01/25/2006 | EP1618323A1 Piston for a large-size engine, and method for the production of a wear-resistant layer in such a piston |
| 01/19/2006 | WO2006005288A1 Method for producing a coat on a piston ring and piston ring |
| 01/18/2006 | EP1617066A1 Oil ring, method of producing the same, and piston structure using the oil ring |
| 01/18/2006 | CN1721742A High gas-tight piston ring |
| 01/12/2006 | US20060006604 Oil ring |
| 01/12/2006 | DE102004028487A1 Verfahren zur Herstellung verschleissfester Flanken für einen Trapezring für Verbrennungsmotoren Process for the preparation of wear-edges for a keystone ring for internal combustion engines |
| 01/05/2006 | DE102005027233A1 Abgas-Steuervorrichtung und Abgas-Steuerverfahren für einen Verbrennungsmotor Exhaust gas control apparatus and exhaust gas control method for an internal combustion engine |
| 01/04/2006 | EP1261819A4 Lubricated seals having micropores |
| 01/04/2006 | CN1717557A Combination oil ring |
| 01/03/2006 | CA2379432C Heat resistant a1 die cast material |
| 12/29/2005 | WO2005123347A1 Seal for portable fastener driving tool |
| 12/29/2005 | DE102004028486A1 Gleitbauteil Sliding |
| 12/28/2005 | EP1608899A1 Piston ring |
| 12/22/2005 | WO2005121609A1 Method for the production of wear-resistant edges for a keystone ring for internal combustion engines |
| 12/22/2005 | WO2005121608A1 A piston, a ring and a piston assembly for a two cycle engine |
| 12/22/2005 | WO2005121403A1 Structural gliding component |
| 12/22/2005 | US20050279802 Seal for portable fastener driving tool |
| 12/22/2005 | DE202005010612U1 Piston ring for use in internal combustion engine, has label that is provided on small stressed surface section within area of inner side of ring for identification of ring, where label includes text and coded barcode |
| 12/22/2005 | DE102004032403B3 Verfahren zur Erzeugung einer Beschichtung auf einem Kolbenring sowie Kolbenring A method for producing a coating on a piston ring and piston ring |
| 12/21/2005 | EP0912846B1 Seals for hydraulic assemblies |
| 12/15/2005 | WO2005119103A1 Seal for high-pressure pumping system |
| 12/15/2005 | US20050274255 Adjustable ring positioner |
| 12/15/2005 | US20050274106 Exhaust gas control apparatus and exhaust gas control method for internal combustion engine |
| 12/14/2005 | CN2746209Y Assembling sealing ring for high-speed, high-pressure and high-temp electrohydraulic hammer |
| 12/14/2005 | CN1708656A Oil ring |
| 12/14/2005 | CN1707145A Automatic expanding piston ring |
| 12/14/2005 | CN1707144A Piston with piston-rig groove |
| 12/08/2005 | US20050269787 Piston ring |
| 12/07/2005 | CN1230633C Slide element |
| 12/01/2005 | DE102004022173A1 Piston oscillating movement maintaining system for use in e.g. internal combustion engine, has piston conducting oscillating movement between top dead center and bottom dead center, and piston ring arranged on inner side of cylinder tube |
| 12/01/2005 | DE102004021662A1 Kolben mit Kolbenringnuten Piston with piston ring grooves |
| 12/01/2005 | DE102004021589A1 Piston ring for separating piston guided in cylinder is constructed in one piece and closed, and with recess formed on radially outwards orientated side of piston ring lying opposite rib supported in slot |
| 11/30/2005 | EP1600620A1 Reciprocating engine |
| 11/30/2005 | EP1600523A1 Wear resistant coating for piston rings |
| 11/24/2005 | US20050260436 Wear resistant coating for piston rings |
| 11/23/2005 | CN1699799A Spigot type piston packing ring |
| 11/16/2005 | EP1596106A1 Combination oil ring |