| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 08/31/1995 | WO1995023304A1 Compression ring for an internal combustion engine |
| 08/30/1995 | CN2206384Y Sealing piston ring and piston |
| 08/16/1995 | CN2205471Y Sealing piston ring |
| 08/08/1995 | CA1336590C Gas cylinder piston seal |
| 08/02/1995 | CN2204356Y Annulus-type chromium-plated piston ring |
| 07/25/1995 | US5435233 Banded piston |
| 07/19/1995 | EP0663548A1 Seal unit |
| 07/18/1995 | US5433452 Sealing device |
| 07/18/1995 | US5433001 Method of producing piston ring |
| 07/11/1995 | US5430938 Method of making and using a piston ring assembly |
| 06/21/1995 | CN2201522Y Piston ring |
| 06/20/1995 | US5425306 Composite insert for use in a piston |
| 05/26/1995 | WO1995014184A1 Reciprocating-piston engine |
| 05/24/1995 | EP0654596A1 Composite insert for use in a piston |
| 05/17/1995 | CN1102693A Wear-proof high hardness piston ring and its prodn. technique |
| 05/11/1995 | WO1995012755A1 Piston ring sealing |
| 05/04/1995 | WO1995012079A1 Width-reduced three-piece oil ring |
| 05/02/1995 | US5411609 Section steel wire of oil ring |
| 04/12/1995 | EP0647804A1 Internal combustion engine |
| 04/11/1995 | US5405154 Piston ring |
| 03/29/1995 | EP0645463A2 TiAl-based intermetallic compound piston ring and process for treating the surfaces thereof |
| 03/21/1995 | US5398945 Piston ring of "Y" cross-section |
| 03/21/1995 | US5398652 Knife-edge rocker bearing internal combustion engine |
| 03/16/1995 | DE4331324A1 Kolbenring-System Piston ring system |
| 03/15/1995 | EP0643242A1 Element forming a part of a working chamber from a motor having a coating |
| 03/02/1995 | DE4430027A1 Piston ring |
| 03/01/1995 | CN2190717Y Full gap self adjustable disc plane fork mouth complex ring |
| 02/28/1995 | US5394015 Method of producing sintered silicon nitrides |
| 02/28/1995 | US5392692 Antiblow-by piston and seal construction for high temperature applications |
| 02/23/1995 | DE4327621A1 Piston ring arrangement for pistons of internal combustion engines |
| 02/21/1995 | CA1334488C Sintered apex seal material |
| 01/12/1995 | WO1995001523A1 Sealing means and a method for producing the same |
| 01/10/1995 | US5380018 Piston ring having a non-uniform radial pressure distribution |
| 01/04/1995 | CN2186827Y 组合式活塞环 Combined Piston |
| 01/03/1995 | US5377580 Piston with an encompassing seal |
| 12/21/1994 | CN1096565A Interference assembling technique for engine |
| 12/13/1994 | US5372488 Oil well pump with radially expandable interlocking seal ring |
| 12/08/1994 | DE4419713A1 Bearing element and process for its production |
| 12/08/1994 | DE4310249C1 Piston ring |
| 11/30/1994 | CN2184120Y Two-way hermetical seal |
| 11/24/1994 | DE4417579A1 Metallischer Dichtungsring Metallic sealing ring |
| 11/09/1994 | EP0623195A1 Piston apparatus for use in web pression components in papermaking machinery. |
| 11/09/1994 | EP0491942B1 Annular support for a seal for a tilt piston |
| 11/09/1994 | CN1026514C Sealing of filler box of cylinder rod |
| 11/02/1994 | CN1094490A A piston top ring for an internal combustion engine |
| 10/26/1994 | CN2180834Y Piston assembly parts |
| 10/12/1994 | CN2179491Y Super-thin wave elastic ring for air compressor |
| 10/06/1994 | DE4310652A1 Oil-scraper piston ring |
| 09/20/1994 | US5347915 Piston compressor for the oilfree compression of gases |
| 09/15/1994 | WO1994020744A1 Piston for an internal combustion engine |
| 09/14/1994 | CN2177133Y Seal structure for automobile damper float bush |
| 09/07/1994 | EP0473737B1 Stuffing box seal for piston rods |
| 09/07/1994 | CN1025878C Piston ring assembly for stirling engine |
| 09/06/1994 | US5344162 Sealing ring for gas turbine engines |
| 09/01/1994 | DE4305784A1 Pressure-tight piston ring |
| 08/30/1994 | US5341866 Method for the incorporation of a component into a piston |
| 08/17/1994 | CN1025706C Still/slow circuit for a VCR with two heads |
| 07/27/1994 | CN2172819Y Sealing device for piston and cylinder body in oil cylinders |
| 07/06/1994 | EP0605223A1 Gas nitrided piston ring |
| 06/29/1994 | EP0604255A1 Hydraulic motor piston |
| 06/22/1994 | CN1088296A New-type piston-ring |
| 06/09/1994 | WO1994012815A1 A piston top ring for an internal combustion engine |
| 06/08/1994 | EP0600167A1 Piston |
| 06/01/1994 | CN1024835C Piston assembly |
| 05/31/1994 | US5316321 Nonferrous piston ring with hard surface treatment layer |
| 05/19/1994 | DE4338074A1 Piston ring for IC engine - is shaped from single material strip with two flanges extending sideways outwards in opposite directions and pressed against cylinder wall for sealing engagement. |
| 05/13/1994 | CA2107518A1 Piston ring of "y" cross section |
| 05/04/1994 | EP0595075A2 Microlaminated composites and method for preparing them |
| 05/03/1994 | US5308089 Combined oil ring |
| 04/27/1994 | EP0594042A1 A section steel wire for an oil ring and a method of producing the same |
| 04/27/1994 | EP0495129B1 Reciprocating engine |
| 04/20/1994 | CN2162561Y UV-shape two-seabed one-replenished type moving sealing device |
| 04/19/1994 | US5304262 Controlled hardness, resistance to corrosion and wear |
| 04/19/1994 | US5303683 Piston with a profiled ring groove |
| 04/19/1994 | US5303465 Method of assembling piston ring and method of assembling set oil ring and apparatus for assembling set oil ring |
| 04/12/1994 | US5301599 Pistons with ring groove reinforcing |
| 04/12/1994 | CA1328385C Internal combustion engine |
| 04/06/1994 | CN1084942A Mechanical sealing device and producing method |
| 04/06/1994 | CN1084901A Niobium casting iron cylinder jacket and piston ring for railway inner combustion locomotive |
| 04/05/1994 | CA1328292C Seal assembly |
| 03/30/1994 | CN2160038Y Plain top double way assembly steam room expanding ring for steam engine |
| 03/22/1994 | US5295696 Combined oil ring |
| 03/16/1994 | EP0586995A1 Cylinder for hydraulic and/or pneumatic installations |
| 03/08/1994 | US5292381 Piston ring and process for manufacturing the same |
| 02/17/1994 | DE4300531C1 Producing piston rings - with the TOP side marked after production of the asymmetric running face |
| 02/16/1994 | EP0582593A1 Sealing device. |
| 02/10/1994 | DE4325520A1 Component used in combustion engines - has coating on surface towards working zone of a non-stick metal inert to reaction |
| 02/01/1994 | CA2065733C Annular support for a seal for a tilt piston |
| 01/19/1994 | EP0579509A1 Method of producing sintered silicon nitrides |
| 01/12/1994 | CN2152943Y High-efficient combined sealing ring |
| 01/04/1994 | US5275422 For internal combustion engines |
| 12/23/1993 | WO1993025828A1 Piston for an internal-combustion engine |
| 12/22/1993 | EP0574563A1 A method for producing a packing arrangement for a hydraulically operated apparatus and a packing arrangement |
| 12/21/1993 | US5271315 For internal combustion engines |
| 12/09/1993 | DE4236641A1 IC engine piston oil scraper ring |
| 11/30/1993 | US5265565 Reciprocating engine |
| 11/16/1993 | US5261362 Piston assembly having multiple piece compression ring |
| 10/27/1993 | CN2144734Y Totally enclosed piston, piston ring assemblage |
| 10/20/1993 | CN2144214Y Sealing piston ring and sealing piston |
| 10/19/1993 | US5253878 Compression ring for internal-combustion engines |