| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
|---|
| 02/17/1987 | US4643078 Fiber-reinforced lightweight alloy piston for an internal-combustion engine and associated method |
| 02/04/1987 | CN86202845U Double-layer seal type piston ring |
| 01/24/1987 | CN86101804A 活塞环材料 Piston ring material |
| 01/20/1987 | US4637617 Device for forcing piston ring radially outwardly |
| 01/14/1987 | EP0208554A1 Assembly having two members movable in contact |
| 01/14/1987 | CN86103982A Sealing device for the reciprocating piston |
| 01/13/1987 | US4635332 Sealed telescopic joint and method of assembly |
| 12/30/1986 | US4632405 Device for forcing piston ring radially outwardly |
| 12/16/1986 | US4629200 Non-metallic piston rings with controlled expansion pressure |
| 12/16/1986 | US4629198 Oil scraper piston ring assembly |
| 12/10/1986 | EP0204669A2 A lubrication system with oil recovery for a two-stroke engine piston with pump-sump for scavenging |
| 12/09/1986 | US4627332 Sealing members for master cylinders |
| 11/20/1986 | WO1986006810A1 Multiple part oil-control ring for piston |
| 11/11/1986 | US4621386 For removing fluid from a moving cylindrical surface |
| 10/28/1986 | CA1213298A1 Spacer-expander for pistons |
| 10/21/1986 | CA1212911A1 Restriction device for differential gear |
| 10/15/1986 | EP0197654A2 Engine piston assembly with ceramic top ring |
| 10/07/1986 | US4615531 Double ring piston sealing arrangement |
| 10/07/1986 | US4615261 Stirling engine with improved piston ring assembly |
| 09/17/1986 | CN86101797A Improved piston ring for a piston in a refrigerant compressor |
| 09/16/1986 | US4612260 Piston ring member |
| 09/16/1986 | US4612256 Flame spraying |
| 09/12/1986 | WO1986005250A1 Dual spring expander for oil control piston rings |
| 09/03/1986 | EP0192870A2 Anti-rotation device for contracting rod ring seals |
| 08/27/1986 | EP0192114A2 Piston |
| 08/20/1986 | EP0191243A2 Pistons |
| 08/19/1986 | US4606101 Method of manufacturing a radially corrugated expander-spacer for a piston oil ring assembly |
| 08/13/1986 | CN86100808A Piston and piston ring |
| 07/29/1986 | US4602795 Thermally expansive slip joint for formed sheet metal seals |
| 07/22/1986 | US4601932 Rings for fluid drive assemblies |
| 07/15/1986 | US4599936 Integral strut and piston groove protector |
| 07/15/1986 | CA1207642A1 Surface treatment of metal rings |
| 07/01/1986 | US4597939 Molybdenum; molybdenum carbide, low melting alloy |
| 06/10/1986 | US4594055 Piston assembly for a refrigerant compressor |
| 06/10/1986 | CN85108998A 减压阀 Valve |
| 06/10/1986 | CN85108421A Method of manufacturing piston ring |
| 06/03/1986 | US4592964 Wear-resistant coating |
| 06/03/1986 | US4592559 Piston ring seal with pressure distribution grooves |
| 06/03/1986 | US4592268 For a reciprocating engine |
| 05/14/1986 | EP0181021A2 Stirling engine with improved piston ring assembly |
| 05/07/1986 | CN85203618U Super-presure seal expanding ring with predictive designing expansion degree |
| 04/29/1986 | US4585237 Piston and oil control ring therefor |
| 04/15/1986 | US4582328 Double acting stirling engine piston ring |
| 04/01/1986 | US4579355 Nitrided steel piston ring with oxide film |
| 04/01/1986 | US4579351 Dual spring expander for oil control piston rings |
| 03/18/1986 | US4576386 Anti-extrusion back-up ring assembly |
| 03/18/1986 | US4576381 Spiral piston ring with tapered ends and recesses |
| 03/11/1986 | US4575107 Piston rings for internal combustion engine |
| 03/05/1986 | EP0173600A1 Piston for an internal-combustion engine or compressor |
| 03/05/1986 | EP0173499A1 Piston rings |
| 02/25/1986 | US4572520 Multi-component steel piston ring with rotation preventing rivet |
| 02/18/1986 | US4570946 Nitrided piston ring with outer layer on surface |
| 02/18/1986 | US4570945 Piston ring having shape of an ellipse or an elongated circle |
| 02/12/1986 | EP0170763A1 Wear-resistant coating |
| 01/15/1986 | EP0167523A1 Composite pistons and method of manufacturing thereof. |
| 12/31/1985 | US4562327 Filling groove, rapidly solidifying, maching |
| 12/27/1985 | EP0165417A1 Piston ring |
| 12/10/1985 | US4557492 Nitrided piston ring with outer layer on surface |
| 11/21/1985 | EP0161362A1 Seal assembly |
| 10/22/1985 | US4548416 Oil-ring including two rail rings and an expander-spacer ring which bites into the rail ring |
| 10/22/1985 | US4548126 Piston with local inorganic fiber reinforcement and method of making the same |
| 10/09/1985 | EP0157537A2 The manufacture of piston rings |
| 09/24/1985 | US4542907 Corrugated expander for piston ring assembly |
| 09/17/1985 | US4542111 Spray powder for the manufacture of wear resistant and temperature resistant coatings |
| 09/17/1985 | CA1193499A1 Piston with local inorganic fiber reinforcement and method of making the same |
| 09/10/1985 | US4540186 Anti-rotation device for contracting rod ring seals |
| 09/10/1985 | US4540185 Gas-lubricated seal for sealing between a piston and a cylinder wall |
| 09/10/1985 | US4539895 For ensuring fluid tightness between pipes |
| 09/04/1985 | EP0153465A2 Scraper ring for internal combustion engines with variable outside directed contact pressure |
| 08/27/1985 | US4537161 Inserts for pistons of diesel engines of aluminum-silicon alloys having an improved thermal resistance and machinability |
| 08/21/1985 | EP0151777A1 Piston assembly for a refrigerant compressor |
| 08/14/1985 | EP0151516A1 Piston and piston ring assemblies |
| 08/06/1985 | US4533149 Split seal ring with interlocking cut |
| 07/30/1985 | US4531985 Surface treatment of metal rings |
| 07/04/1985 | WO1985002804A1 Method of making and apparatus for composite pistons |
| 07/02/1985 | US4526386 For a grooved circular piston |
| 06/19/1985 | EP0144520A2 Oil-scraping ring for pistons |
| 06/11/1985 | US4522415 Piston ring for an internal combustion engine |
| 06/11/1985 | US4522412 Oil ring with coil expander |
| 06/05/1985 | EP0143665A2 Scraper rings |
| 06/04/1985 | US4521168 Sealing means for a rotary piston engine |
| 05/14/1985 | US4516481 Piston and piston rings set |
| 05/14/1985 | US4516480 Piston ring for endothermic motors having an improved flame damper ring |
| 05/14/1985 | US4516443 Restriction device for differential gear |
| 05/14/1985 | CA1187002A1 Internal combustion engine with automatic compression release |
| 05/08/1985 | EP0140052A2 Piston sealing |
| 05/08/1985 | EP0139965A1 Seal ring for piston rods |
| 04/24/1985 | EP0138443A2 Piston rod seal |
| 04/09/1985 | US4509764 For sealing the space between a cylinder and a piston |
| 04/03/1985 | EP0135523A1 Piston and piston assemblies |
| 03/12/1985 | CA1183741A1 Manufacture of piston rings |
| 03/06/1985 | EP0133786A2 Piston rings |
| 02/05/1985 | US4497497 Oil ring assembly with annular expander spring |
| 01/23/1985 | EP0132042A2 Fully hydrodynamic piston ring and cylinder assembly |
| 01/16/1985 | EP0131382A2 Fully hydrodynamic piston ring and piston assembly with elastomerically conforming geometry and internal cooling |
| 12/18/1984 | US4488522 Pistons including inserts |
| 11/07/1984 | EP0123952A2 Wear-resistant coating |
| 11/07/1984 | EP0123754A1 Piston for alternating machines |
| 10/16/1984 | US4477090 Piston ring assembly for hydraulic mechanisms, particularly such mechanisms for very high operating pressures |
| 10/09/1984 | US4475739 Piston ring assembly for automotive internal combustion engine |