| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 05/27/2009 | CN201246227Y Seal type piston ring |
| 05/27/2009 | CN101443582A Piston ring for the piston of an internal combustion engine |
| 05/27/2009 | CN100491898C Method and device for detecting direction of member having outer periphery formed in vertically asymmetrical shape |
| 05/22/2009 | WO2009062486A1 Process for hardening groove flanks of the annular groove of a steel piston by means of a laser beam |
| 05/20/2009 | CN201241953Y Hill-shaped seal ring |
| 05/20/2009 | CN201241764Y Three-orifice type environment protection piston ring |
| 05/20/2009 | CN201241763Y Full seal automatic compensation type energy-saving discharge-reducing piston ring |
| 05/20/2009 | CN101435381A 活塞环 Piston Ring |
| 05/14/2009 | WO2009060879A1 Slide structure |
| 05/14/2009 | DE102007053873A1 Split piston ring for performing expansion or compression of piston of e.g. stirling engine, has segments, where pre-loading of ring is adjusted over outer diameter such that ring has exactly same diameter as cylinder |
| 05/14/2009 | DE102007053750A1 Air compressor has sealing ring, which is in engagement in piston, and outer edge rib of sealing ring extends beyond over piston, to reach sliding engagement with inner edge surface of cylinder |
| 05/13/2009 | CN201237013Y Sealing device of fuel level regulator |
| 05/13/2009 | CN201236750Y Novel piston ring for internal-combustion engine |
| 05/13/2009 | CN101430004A PVD chromium based ceramic composite coating piston ring and method for producing the same |
| 05/13/2009 | CN101429904A Piston ring |
| 05/13/2009 | CN101429903A Double-piece combination automatic positioning piston ring |
| 05/12/2009 | US7530870 Drive shaft sealing device for small watercraft |
| 05/06/2009 | CN201232594Y Chromium layer and ceramic particles composite electroplated piston ring for excircle after nitridation |
| 05/06/2009 | CN100485232C Sliding member and production process thereof |
| 05/05/2009 | CA2362255C High pressure multi-lobe seal |
| 04/29/2009 | EP2052096A1 Steel material, in particular for producing piston rings |
| 04/28/2009 | US7523944 Seal ring |
| 04/22/2009 | CN201225399Y Piston ring with limiting structure |
| 04/22/2009 | CN201225203Y Surface enhanced antifriction piston ring |
| 04/15/2009 | EP1596106B1 Combination oil control ring |
| 04/15/2009 | CN101408248A Elastic compensating coaxial combined seal ring |
| 04/14/2009 | US7516963 Sealing arrangement with supporting ring, and supporting ring |
| 04/14/2009 | US7516691 Hydraulic linear drive, particularly a hydraulic transmission actuator |
| 04/09/2009 | WO2009043537A1 Reinforcement of an annular groove of a piston for an internal combustion engine |
| 04/09/2009 | WO2009043227A1 A sealing oil ring |
| 04/09/2009 | US20090091090 Hydraulic system |
| 04/09/2009 | DE4327621B4 Kolbenringnutgestaltung für Kolben von Verbrennungsmotoren Kolbenringnutgestaltung for pistons for combustion engines |
| 04/09/2009 | DE102008049186A1 Piston engine i.e. internal combustion engine such as gasoline engine, for motor vehicle, has magnet arranged such that magnet cooperates with piston ring, so that piston ring is held in contact with groove surfaces |
| 04/08/2009 | EP2045488A1 Piston ring of reciprocating engine |
| 04/08/2009 | CN101403437A Sealed oil ring |
| 04/08/2009 | CN101403348A Piston ring of reciprocating engine |
| 04/08/2009 | CN100476187C Piston ring for automatically closing and adjusting clearance |
| 03/31/2009 | US7510196 Oil ring for internal combustion engine |
| 03/31/2009 | US7510195 High temperature and high pressure compressor piston ring |
| 03/26/2009 | DE102008038636A1 Kolbenring Piston ring |
| 03/26/2009 | DE102008038635A1 Kolbenring Piston ring |
| 03/25/2009 | CN201212498Y Oil stopping cylinder |
| 03/25/2009 | CN101395291A Piston ring material for internal combustion engine |
| 03/19/2009 | US20090072177 Flush valve handle and check valve assembly |
| 03/19/2009 | US20090071433 Reciprocating engine |
| 03/19/2009 | US20090071326 Piston For Cold Chamber Die-Casting Machine |
| 03/19/2009 | US20090071325 Cylinder device |
| 03/18/2009 | CN101389886A Sliding member |
| 03/18/2009 | CN101387239A Wedge type Overlap joint piston ring processing technique |
| 03/18/2009 | CN100470039C Method for manufacturing wearable side for ladder-shaped ring for internal combustion engine |
| 03/17/2009 | US7505146 Method and device for detecting direction of member having outer periphery formed in vertically asymmetrical shape |
| 03/12/2009 | WO2009033115A2 High efficiency piston ring |
| 03/11/2009 | EP2032326A2 A method for making a pressed part with separations or voids |
| 03/11/2009 | CN201206629Y Novel piston ring |
| 03/11/2009 | CN201206503Y Novel piston |
| 03/11/2009 | CN101384841A Piston ring |
| 03/11/2009 | CN100467919C manufacturing method of sealing gasket |
| 03/10/2009 | US7500676 Sliding element |
| 03/05/2009 | US20090058014 Piston ring |
| 03/04/2009 | EP1359351B1 Piston ring and method of producing the same |
| 03/04/2009 | CN101379324A Three-piece oil ring and combination of three-piece oil ring and piston |
| 02/26/2009 | US20090054277 Sliding member and production process thereof |
| 02/26/2009 | US20090051122 Piston ring |
| 02/26/2009 | DE102008035148A1 Kompressions-Kolbenring Compression piston ring |
| 02/25/2009 | EP2028398A1 Sealing Rings |
| 02/25/2009 | CN101372923A Sealing rings |
| 02/24/2009 | US7494129 Piston ring |
| 02/19/2009 | WO2009021494A1 Hard chrome layer, coated substrate and tribological system |
| 02/19/2009 | DE102007038188A1 Coated machine element e.g. piston ring with a surface useful in internal combustion engine, comprises a structured hard chrome layer, a physical vapor deposition- or a chemical vapor deposition layer, and a chromium-solid particle layer |
| 02/19/2009 | DE102007036017A1 Kolben für eine Kolben-Zylinder-Anordnung und Herstellungsverfahren Piston for a piston-cylinder arrangement and manufacturing processes |
| 02/18/2009 | EP2025935A1 Fluid machine |
| 02/12/2009 | US20090039605 Large-bore, medium-speed diesel engine having piston crown bowl with acute re-entrant angle |
| 02/12/2009 | DE102007037778A1 Hartchromschicht, beschichtetes Substrat und tribologisches System Hard chrome layer coated substrate and tribological system |
| 02/12/2009 | DE102007037040A1 Führungsring sowie Kolben- und/oder Stangen-Zylindereinheit Guide ring and piston and / or rod cylinder unit |
| 02/11/2009 | EP2021659A2 Mechanical seal assembly |
| 02/11/2009 | CN201193698Y Piston ring stopping in horizontal and vertical direction |
| 02/11/2009 | CN101365899A Piston ring for internal combustion engines |
| 02/05/2009 | WO2009016051A1 Piston ring |
| 02/05/2009 | DE102007036487A1 Führungseinrichtung für einen Metallbalg Guide means for a metal bellows |
| 02/05/2009 | DE102007035502A1 Kolbenring Piston ring |
| 02/04/2009 | CN100458241C Light hard alloy seal ring and producing method thereof |
| 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 | WO2009012862A1 Pneumatic component |
| 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 | DE10203324B4 Gleitlager für eine Verbrennungskraftmaschine Bearings for an internal combustion engine |
| 01/28/2009 | EP1557594B1 Oil ring |
| 01/28/2009 | CN201187575Y Spiral lining reed oil ring |
| 01/27/2009 | US7481150 Fluid cylinder for high temperature applications |
| 01/22/2009 | US20090020958 Methods and apparatus for operating an internal combustion engine |
| 01/22/2009 | US20090020006 Combination of a piston and a piston ring |
| 01/22/2009 | DE102007034418A1 Split piston ring for hot gas engine, has two partitioned ends, which are oppositively lying, and split piston ring is manufactured from boron nitride |
| 01/21/2009 | EP2017506A2 Combination of a piston and a piston ring |
| 01/21/2009 | EP2016313A1 Piston ring for the piston of an internal combustion engine |
| 01/21/2009 | CN201184243Y Energy-saving long-service life type piston ring |
| 01/15/2009 | WO2009006650A1 Piston |
| 01/15/2009 | US20090013866 Three-piece oil ring and combination of the three-piece oil ring and piston |
| 01/15/2009 | DE112007000470T5 Gleitelement Slider |
| 01/14/2009 | CN201180800Y Elastic seal ball valve |
| 01/14/2009 | CN201180590Y High abrasion-proof piston ring |
| 01/14/2009 | CN101343770A Piston ring multi-layer chromium based gridding built-in superhard abrasion-proof particle coating plating liquid and plating method |