| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 05/31/2007 | DE102005063123B3 Piston ring for sealing chamber in cylinder has running-in layer containing hydrogen and nanocrystalline carbide phases |
| 05/30/2007 | EP1790883A1 Sealing device for a turbo-machine |
| 05/30/2007 | CN2906092Y 密封型活塞环 Sealed Piston |
| 05/18/2007 | WO2005079456A3 Cover seals with latching locking features |
| 05/16/2007 | EP1784593A2 Cover seals with latching locking features |
| 05/15/2007 | CA2259566C Seals for hydraulic assemblies |
| 05/09/2007 | CN2898466Y Automatically-sealed piston ring |
| 05/09/2007 | CN2898465Y Improved O-type ring |
| 05/03/2007 | WO2006134309A3 Sealing device for internal combustion engine piston |
| 05/03/2007 | DE102005051223A1 Oil scraper ring, has number of oil passage openings provided between runways and viewed in circumferential direction, where cross-section of openings increases radially from outer peripheral surface to inner peripheral surface |
| 05/02/2007 | EP1541908B1 Seal ring |
| 05/02/2007 | CN2895900Y Piston ring |
| 05/01/2007 | US7210398 Cover seals with latching locking features |
| 04/26/2007 | DE202007002756U1 Kolbenring Piston ring |
| 04/25/2007 | EP1776487A1 High-strength, wear-resistant, corrosion-resistant cast iron material |
| 04/25/2007 | CN1312419C Piston ring |
| 04/24/2007 | US7207870 Seal assembly manufacturing methods and seal assemblies manufactured thereby |
| 04/24/2007 | US7207571 Steel piston ring |
| 04/18/2007 | EP1774053A1 Method for producing a coat on a piston ring and piston ring |
| 04/12/2007 | WO2007039011A1 Method for producing a piston for an internal combustion engine and the thus produced piston |
| 04/12/2007 | US20070080502 Oil control ring for pistons of internal combustion engines |
| 04/12/2007 | US20070080501 Pressure gradient rotary sealing system |
| 04/11/2007 | EP1771674A1 Method for the production of wear-resistant edges for a keystone ring for internal combustion engines |
| 04/11/2007 | CN1309515C Powdered metallurgical piston ring and process for production thereof |
| 04/04/2007 | CN2886226Y Closing ring fixed on seal ring |
| 04/04/2007 | CN1308587C Combined oil ring |
| 04/03/2007 | US7198275 Sealing and replenishment gasket |
| 03/29/2007 | WO2007035588A2 Pressure gradient rotary sealing system |
| 03/29/2007 | WO2007010393A3 Oil-control ring for an internal combustion engine |
| 03/28/2007 | EP1767834A1 Piston ring for internal combustion engine |
| 03/28/2007 | CN2883805Y Double wedge positioned combined sealing piston ring |
| 03/28/2007 | CN2883732Y Combined oil ring of vehicle braking pump piston ring |
| 03/27/2007 | US7195246 Sealing material |
| 03/22/2007 | WO2005083306A3 Multi-part oil scraper ring for pistons of internal combustion engines |
| 03/22/2007 | DE102005042857A1 Kolben für eine Brennkraftmaschine Piston for an internal combustion engine |
| 03/21/2007 | CN1932270A Piston-ring packing |
| 03/21/2007 | CN1306190C Two piece oil control ring with nitrided surface layers |
| 03/15/2007 | WO2007010169A3 Upper sealing segment |
| 03/14/2007 | EP1762756A2 Pistonring packing |
| 03/13/2007 | US7188841 Secondary piston seal |
| 03/08/2007 | WO2007025533A1 Method for manufacturing a piston ring for internal combustion engines, and a piston ring of this type |
| 03/07/2007 | EP1461532B1 Self-lubricating plastics material for sealing elements |
| 03/07/2007 | CN2876458Y Split composite assembling type endless belt open oil seel |
| 03/07/2007 | CN1926365A Seals for hydraulic assemblies |
| 02/28/2007 | CN1922422A Sealing arrangement for relatively movable parts and device including such a sealing arrangement |
| 02/22/2007 | US20070039461 Ellipsoid roller bearing piston ring |
| 02/21/2007 | CN1916448A Piston ring with no end gap, and piston of containning the piston ring |
| 02/15/2007 | WO2007016894A1 Two-part oil scraper ring for internal combustion engines |
| 02/15/2007 | WO2007016893A1 Multi-part oil scraper ring for internal combustion engines |
| 02/15/2007 | DE10147455C5 Ventil mit mehrteiliger Ventildichtung Valve with multi-piece valve seal |
| 02/14/2007 | CN2869514Y Valve piston sealing ring |
| 02/13/2007 | US7176166 Slide member |
| 02/08/2007 | US20070029736 Bearing protector |
| 02/07/2007 | CN1910360A Wire material for coil expander and coil expander |
| 02/01/2007 | US20070022980 Coolable annular support for internally cooled piston rings and method for the production thereof |
| 02/01/2007 | DE102005034908A1 Hermetisches Dichtungssystem Hermetic sealing system |
| 01/31/2007 | CN1906461A Method and device for detecting direction of member having outer periphery formed in vertically asymmetrical shape |
| 01/31/2007 | CN1904416A Inner cavity medium pressure self compensated composite sealing ring |
| 01/25/2007 | WO2007010393A2 Oil-control ring for an internal combustion engine |
| 01/25/2007 | US20070018410 Oil scraper ring for pistons of internal combustion engines |
| 01/25/2007 | US20070017459 Oil scraper ring ring groove arrangement for pistons of internal combustion engines |
| 01/18/2007 | DE19915022B4 Elastomerdichtung zwischen einem Kolben und einem Zylinder und/oder einem Schaft eines automatischen Kraftfahrzeuggetriebes Elastomeric seal between a piston and a cylinder and / or a shaft of an automatic motor vehicle transmission |
| 01/18/2007 | DE102005027233B4 Abgas-Steuervorrichtung für einen Verbrennungsmotor Exhaust gas control apparatus for an internal combustion engine |
| 01/17/2007 | CN1898489A Multi-layered seal structure |
| 01/11/2007 | US20070007481 Valve |
| 01/10/2007 | CN1294370C Reciprocating piston engine |
| 01/04/2007 | US20070004598 Dry coat lubricant has polyamideimide resin, a layer improve agent selected from epoxysilane and epoxy resin, and hard particles selected from a silicon nitride and an alumina. increased abrasion resistance and adherence of the slide, decreased friction coefficient |
| 01/04/2007 | DE10250070B4 Kolben Piston |
| 01/04/2007 | DE102005024140B4 Dichtpaket und Hubkolben mit einem Dichtpaket Packing seal and reciprocating with a seal pack |
| 01/03/2007 | EP1660792B1 Oil scraper ring for pistons of internal combustion engines |
| 01/03/2007 | EP1266156B1 Method for mnufacturing a piston for internal combustion engines |
| 01/03/2007 | CN2854226Y motor vehicle oil seal capable of overlapping storage |
| 01/03/2007 | CN2854225Y Motor vehicle oil seal of anti-press and easy mounting limit |
| 01/03/2007 | CN2854104Y Automatic expansion piston ring |
| 01/03/2007 | CN1293297C Double layer O-shaped interlocking combined gas ring |
| 01/02/2007 | US7156399 Sealing device and sliding member |
| 12/28/2006 | DE19651112C5 Dichtungsvorrichtung für eine Motorkolbenstange Sealing device for an engine piston rod |
| 12/28/2006 | DE10151542B4 Komplett-Kolben Complete piston |
| 12/20/2006 | CN2849341Y Teflon O type sealing ring |
| 12/14/2006 | WO2006131801A1 Piston ring for internal combustion engines |
| 12/13/2006 | CN2846904Y Polyurethane composite hydraulic seal ring |
| 12/13/2006 | CN1289808C Piston ring |
| 12/07/2006 | US20060273525 Multipart oil wiping ring for pistons of internal combustion engines |
| 12/07/2006 | US20060273523 Encoder-equipped sealing device |
| 12/06/2006 | EP1728013A1 Piston ring |
| 12/06/2006 | EP1448918B1 Piston for an internal combustion engine |
| 12/06/2006 | CN2844583Y 'V'-shaped oil seal |
| 12/06/2006 | CN2844582Y Polyurethane hydraulic sealing assembly |
| 12/06/2006 | CN2844581Y Sealing component of gear casing for oil sucker |
| 12/06/2006 | CN1875210A Oil control ring for pistons of internal combustion engines |
| 12/05/2006 | US7144017 Piston ring having wear resistant composition |
| 11/30/2006 | WO2006125683A1 Piston ring having hard multi-layer coating |
| 11/30/2006 | WO2006125416A1 Packing seal and piston comprising such a packing seal |
| 11/30/2006 | US20060266322 Piston for an internal combustion engine |
| 11/30/2006 | DE102005024140A1 Dichtpaket und Hubkolben mit einem Dichtpaket Packing seal and reciprocating with a seal pack |
| 11/30/2006 | DE102005023627A1 Steel piston ring has chromium ceramic anti-wear coating with micro-cracks around its peripheral edge, top and bottom faces of ring having nitride anti-wear coatings and forming sharp corners where they meet peripheral edge |
| 11/29/2006 | CN2842103Y Piston ring |
| 11/28/2006 | US7140291 Oil-free/oil-less air compressor with an improved seal |
| 11/23/2006 | WO2006123588A1 Piston packing for application machine |
| 11/23/2006 | US20060260583 Engine with carbon deposit resistant component |