| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 10/29/2002 | US6470792 Combined compression and oil scraper piston ring |
| 10/24/2002 | DE10214062A1 Piston ring used in internal combustion engines has a hard carbon film containing silicon, tungsten and nickel directly and continuously formed via a base film on the whole surface of the ring |
| 10/24/2002 | DE10121887C1 Process for treating piston ring side surfaces subjected to friction used in IC engines comprises applying self-lubricating elements or compounds containing an organic binder |
| 10/22/2002 | US6468068 Resin seal ring die with various mold cut portions |
| 10/16/2002 | CN1374447A Mechanical plunger and piston ring |
| 10/10/2002 | US20020145259 Directional, low-leakage seal assembly |
| 10/10/2002 | DE10117164A1 Kolbenringanordnung für Kolben von Hubkolbenmaschinen, insbesondere Brennkrafmaschinen Piston ring assembly for pistons of reciprocating engines, especially Brennkrafmaschinen |
| 10/09/2002 | EP1248022A2 Piston ring arrangement for piston in a reciprocating piston machine, in particular combustion engine |
| 10/04/2002 | CA2379648A1 Directional, low leakage seal assembly |
| 10/02/2002 | DE19780253C2 Gußeisen und Kolbenring Cast iron and piston ring |
| 10/02/2002 | CN2514176Y Sealing piston ring |
| 10/01/2002 | US6457721 Piston ring locator |
| 09/24/2002 | US6454271 Combined oil ring |
| 09/12/2002 | WO2002070926A1 Reciprocating engine |
| 09/12/2002 | WO2001073323A3 Sealing gasket on a movable piston in a cylinder |
| 09/12/2002 | DE10207148A1 Kolbenring Piston ring |
| 09/11/2002 | CN2510636Y Environmental-protection energy-saving piston ring |
| 09/06/2002 | WO2002068706A1 Wear-resistant sliding member |
| 09/04/2002 | CN2509383Y Reciprocating self-reversing seal piston apparatus |
| 09/04/2002 | CN1367310A Piston ring with special opened gap |
| 08/29/2002 | US20020117808 Piston ring |
| 08/27/2002 | US6439203 Seal arrangement |
| 08/27/2002 | CA2173030C Piston for internal combustion engine |
| 08/14/2002 | EP1230426A1 Method and device for providing a layer to a piston ring |
| 08/14/2002 | EP1230413A1 Method and device for producing machine components that are provided with at least one sliding surface |
| 08/14/2002 | EP0851984B1 Piston ring and piston assembly in an internal combustion engine |
| 08/14/2002 | CN1089151C T形压力容器密封圈 T-shaped pressure vessel seals |
| 08/08/2002 | WO2002061153A1 Method for pre-treating a ring support prior to the «alfin» process |
| 08/08/2002 | DE10103896A1 Verfahren zur Vorbehandlung eines Ringträgers vor dem Alfinieren A method for pretreating a ring carrier before Alfin |
| 08/06/2002 | US6428014 Piston sealing ring assembly |
| 08/01/2002 | US20020101039 Piston ring locator |
| 07/31/2002 | EP1227270A2 Pinless piston ring locator |
| 07/30/2002 | US6425364 Two-stroke direct fuel injected marine engine having anodized piston ring grooves |
| 07/25/2002 | DE10147659A1 Chrom-plattiertes Gleitelement und Verfahren zu seiner Herstellung Chromium-plated sliding element and process for its preparation |
| 07/25/2002 | DE10046956C2 Thermisch aufgetragene Beschichtung für Kolbenringe aus mechanisch legierten Pulvern Thermal spray coating for piston rings from mechanically alloyed powders |
| 07/24/2002 | CN2502030Y Joint overlapping piston ring |
| 07/18/2002 | WO2002055912A1 Method for producing a ring support with a sheet metal cooling channel welded thereon |
| 07/18/2002 | DE10100955A1 Verfahren zur Herstellung eines Ringträgers mit angeschweißtem Blechkühlkanal A process for producing a ring support with the cooling channel welded sheet |
| 07/16/2002 | US6419235 Segmented obturator ring |
| 07/16/2002 | US6419234 Oil sealing ring |
| 07/04/2002 | WO2002052179A1 Piston ring and method of producing the same |
| 07/04/2002 | WO2002052159A2 Compact actuator with hydraulic seal |
| 07/03/2002 | EP1219851A1 Hydraulic brake system for vehicles |
| 07/03/2002 | CN2498405Y Interacted energy saving environment protecting piston ring |
| 06/27/2002 | WO2002024970A3 Thermally applied coating for piston rings, consisting of mechanically alloyed powders |
| 06/27/2002 | US20020079649 Compact actuator with hydraulic seal |
| 06/20/2002 | WO2002048422A1 Wear protection layer for piston rings, containing wolfram carbide and chromium carbide |
| 06/20/2002 | US20020074733 Compression piston ring for use in internal combustion engine |
| 06/20/2002 | DE10061750A1 Wolframhaltige Verschleißschutzschicht für Kolbenringe Tungsten-containing anti-wear layer for piston rings |
| 06/13/2002 | US20020070507 Piston oil ring having land flanked by concave sidewalls |
| 06/05/2002 | CN1352357A Seal ring and its producing method |
| 06/05/2002 | CN1085998C Sliding member for use with light-weight metal |
| 05/23/2002 | US20020060159 Chrome-plated sliding member and manufacturing method thereof |
| 05/22/2002 | EP1207322A1 Oil scraping piston ring |
| 05/22/2002 | EP1206586A1 Metal matrix composite especially intended for piston rings |
| 05/15/2002 | CN2491610Y Clearence mutually enclosed sealing ring |
| 05/02/2002 | EP1201781A2 Non-stainless steel nitrided piston ring, and method of making the same |
| 05/02/2002 | DE10051290A1 Befestigungsstruktur für Kolbendichtungen Mounting structure for piston seals |
| 04/30/2002 | US6378875 Sealing ring |
| 04/30/2002 | US6378872 Seal assembly |
| 04/30/2002 | US6378482 Piston |
| 04/25/2002 | DE10149127A1 First piston compression ring has optimum relationship between ID and radial distance between inside and outside circumferential faces, and between ID and axial length of outside circumferential face |
| 04/25/2002 | DE10046956A1 Thermisch aufgetragene Beschichtung für Kolbenringe aus mechanisch legierten Pulvern Thermal spray coating for piston rings from mechanically alloyed powders |
| 04/24/2002 | EP0832384B1 Sealing ring |
| 04/24/2002 | CN1083530C A piston for a two-stroke crosshead engine of the diesel type |
| 04/18/2002 | WO2002031354A1 Combustion gas seal for injector |
| 04/18/2002 | US20020043769 Oil scraper piston ring having circumferentially distributed recesses |
| 04/18/2002 | US20020043768 Piston ring, in particular for a piston of a vibration damper |
| 04/17/2002 | CN1083052C Contact sealing device for high temp. turbomachine in quick operating and/or sealing range |
| 04/16/2002 | US6372369 Hard film, sliding member covered with hard film, and manufacturing method thereof |
| 04/11/2002 | US20020041071 Compression piston ring |
| 04/09/2002 | US6367808 Sealing ring for a dry running piston rod |
| 04/03/2002 | CN2484413Y Contra-aperture double lap jointikng piston ring |
| 04/03/2002 | CN1082159C Piston ring for combustion engines |
| 03/28/2002 | WO2002025090A1 A combined gas ring and its piston ring-piston assembly |
| 03/28/2002 | WO2002024970A2 Thermally applied coating for piston rings, consisting of mechanically alloyed powders |
| 03/28/2002 | WO2002005989A9 Method of making composite powder and a composite coating of a substrate |
| 03/27/2002 | CN2483561Y Piston ring |
| 03/27/2002 | CN2483560Y Pressure-compensation type radical sealing device |
| 03/26/2002 | US6361050 Oppositely angled piston ring grooves |
| 03/21/2002 | US20020033579 Piston ring |
| 03/21/2002 | DE10044241A1 Kolbenring für Kolben-Maschine Piston ring for piston-engine |
| 03/19/2002 | US6357755 Sealing elements for dry running piston compressors |
| 03/14/2002 | WO2002021025A1 Piston ring for piston engines |
| 03/14/2002 | DE10041803A1 Ölabstreifkolbenring Piston oil control ring |
| 03/13/2002 | EP0870135B1 An improved piston ring |
| 03/06/2002 | EP1184558A1 Piston and piston ring assembly |
| 02/28/2002 | DE10041802C1 Kompressionskolbenring Compression piston ring |
| 02/27/2002 | EP1182384A2 Oil scraping ring |
| 02/27/2002 | EP1182383A2 Compression piston ring |
| 02/27/2002 | CN2479231Y Supercharged double-ring complementary piston ring |
| 02/27/2002 | CN2479230Y Double-sealed piston ring |
| 02/26/2002 | US6349943 50-90 vol % of an aromatic polyether ketone resin, 5-30 vol % of an aromatic polyamide fiber, and 2-30 vol % of tetrafluoroethylene resin; outer diameter not exceeding 20 mm and bending strain (under astm d790) of 3% or more. |
| 02/20/2002 | CN1336500A Single seat valve |
| 02/19/2002 | US6347575 Low emission piston and ring for internal combustion engine |
| 02/14/2002 | US20020017761 Seals for internal combustion engines |
| 02/14/2002 | US20020017327 Single seat valve apparatus |
| 02/14/2002 | DE10041954C1 Piston ring, for flat piston, has wall surface with tongue at one end engaging recess in other end and is elastically deformed by impulse guided through tongue |
| 02/13/2002 | EP0837898B1 Polyimide compositions with improved wear resistance |
| 02/06/2002 | EP0842356B1 Engine block for a multi-cylinder internal combustion engine |