| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 02/11/1997 | US5601010 Wear resistance, noncracking |
| 02/04/1997 | US5598763 Flutter free piston ring assembly |
| 01/30/1997 | WO1997003116A1 Polyimide compositions with improved wear resistance |
| 01/22/1997 | EP0754773A1 Wear resisting steel, sliding member for cylinder in internal combustion engine, and ring spring |
| 01/09/1997 | DE19524066A1 Kolbenring aus Gußeisen Piston ring made of cast iron |
| 01/03/1997 | WO1997000397A1 Sealing ring |
| 01/03/1997 | WO1997000396A1 Sealing arrangement |
| 01/03/1997 | WO1997000395A1 Sealing ring |
| 01/03/1997 | WO1997000394A1 Sealing washer |
| 01/03/1997 | CA2224593A1 Sealing ring |
| 01/03/1997 | CA2224585A1 Sealing ring |
| 01/03/1997 | CA2224583A1 Sealing arrangement |
| 01/03/1997 | CA2224577A1 Sealing ring disk |
| 12/31/1996 | US5588208 Method of assembling set oil ring on piston |
| 12/25/1996 | CN1033661C Working method of piston ring |
| 12/10/1996 | US5582414 Sliding member and method for manufacturing the same |
| 12/05/1996 | DE19621721A1 Piston ring with annular base body |
| 11/21/1996 | WO1996031717A3 Improved slant coil spring and seal |
| 11/20/1996 | EP0742875A1 A piston top ring for an internal combustion engine |
| 10/31/1996 | DE19615719A1 Anti-rotation system for combined oil control ring |
| 10/30/1996 | CN2238940Y Double-ladder piston ring |
| 10/30/1996 | CN2238939Y Whole sealed piston ring |
| 10/24/1996 | DE19514918A1 Diesel engine etc. piston with top peripheral groove |
| 10/15/1996 | US5564699 For use in an internal combustion engine |
| 10/10/1996 | WO1996031717A2 Improved slant coil spring and seal |
| 09/26/1996 | DE19533328C1 Vibration damper having piston in pressure tube |
| 09/25/1996 | CN1131734A Compound piston ring with filler polytetrafluorethylene guide ring |
| 09/11/1996 | EP0731300A1 Piston ring for combustion engines with a wear-resistant coating |
| 09/04/1996 | EP0729554A1 Reciprocating-piston engine |
| 08/28/1996 | CN2233988Y Automatic lubricating and gap-adjusting piston ring |
| 08/22/1996 | DE19605478A1 Oil-scraper ring for engine piston |
| 08/22/1996 | DE19605457A1 Side and gap sealed oil ring |
| 08/21/1996 | CN1129163A Piston arrangement for a fercussion tool |
| 08/20/1996 | US5547203 Segmented ceramic inlay piston ring |
| 08/14/1996 | CN1032550C Alloy cast iron used for railway motor car cylinder jacket and piston ring |
| 08/06/1996 | US5542682 Slant coil spring and seal |
| 07/24/1996 | CN1127534A Slide member and method of its production |
| 07/23/1996 | US5538256 Compression seal into cylinder using piston |
| 07/11/1996 | WO1996021116A1 Sealing ring |
| 07/11/1996 | DE19544513A1 Dichtring Seal |
| 07/04/1996 | DE19548969A1 Synthetic resin oil seal ring |
| 07/04/1996 | DE19548931A1 Nitridplattierter Kolbenring für Verbrennungskraftmaschinen Nitridplattierter piston ring for internal combustion engines |
| 07/02/1996 | US5531195 Anti-abrasion |
| 06/11/1996 | CA2122715C Piston apparatus for use in web pressing components in papermaking machinery |
| 06/06/1996 | CA2148731A1 Piston having laser hardened primary compression ring groove and method of making same |
| 05/30/1996 | WO1996016285A1 Piston ring seal |
| 05/29/1996 | CN1123565A Compression ring for an internal combustion engine |
| 05/28/1996 | US5520092 Piston of shock absorber |
| 05/22/1996 | CN2227766Y Pressure water valve |
| 05/22/1996 | CN2227691Y Theft sewage manhole cover |
| 05/15/1996 | EP0711630A1 Flat steel wire for side rails of oil ring in internal combustion engine and manufacturing method |
| 05/15/1996 | CN2227236Y Curved surface sealing ring for pressure container |
| 05/14/1996 | US5516560 Using a gun |
| 05/14/1996 | US5515770 Piston having laser hardened primary compression ring groove and method of making same |
| 05/07/1996 | US5513857 Piston sealing ring having interlocking ends |
| 04/24/1996 | EP0623195B1 Piston apparatus for use in web pression components in papermaking machinery |
| 04/18/1996 | DE19537344A1 Piston for pneumatic hammer |
| 04/17/1996 | EP0707092A1 Slide member and method of its production |
| 04/16/1996 | US5507258 Wear resistance annulus of aluminum alloy containing silicon carbide particles and aluminum alloy body around the annulus |
| 04/04/1996 | DE19535590A1 Piston for IC engines |
| 02/22/1996 | DE4429649A1 Piston ring with rounded area of contact with cylinder wall |
| 02/14/1996 | CN2219988Y Locating pin for piston ring |
| 02/14/1996 | CN2219987Y Fully-enclosed compound piston ring |
| 02/13/1996 | US5490445 Ultra low device volume piston system |
| 02/07/1996 | EP0695894A1 Compression ring for an internal combustion engine |
| 01/10/1996 | EP0691417A2 Method of spraying material, method of manufacturing sliding member having sliding surface which comprises sprayed layer; piston and method of manufacturing the same |
| 12/27/1995 | EP0688982A1 Segmented ceramic inlay piston ring |
| 12/27/1995 | CN2216172Y Piston ring with overlap ends |
| 12/26/1995 | US5477821 Piston for internal combustion engine |
| 12/20/1995 | EP0582593B1 Sealing device |
| 12/20/1995 | CN2215633Y Adjustable close-ring piston |
| 12/13/1995 | EP0396775B1 Sealing apparatus |
| 12/12/1995 | US5474307 Piston ring employing elastomeric sealing member within the ring groove |
| 11/28/1995 | US5469616 Coiling strips, providing a jig, setting the coil and clamping to surfaces, nitriding and cutting |
| 11/15/1995 | EP0682190A2 Banded piston |
| 11/02/1995 | WO1995029271A1 Slide member and method of its production |
| 10/31/1995 | US5461776 Method of manufacturing piston rings |
| 10/25/1995 | EP0678691A1 Ring presence control device in the grooves of a piston |
| 10/25/1995 | CN1110771A 封闭式活塞环 Piston Closed |
| 10/19/1995 | DE4413324A1 Piston with single ring groove for IC engine |
| 10/12/1995 | WO1995027133A1 Compression piston ring seal |
| 10/12/1995 | WO1995027132A1 Machine having a cylinder and a piston, and ring seal therefor |
| 10/11/1995 | EP0676569A1 Low emission piston ring |
| 10/11/1995 | CN2209740Y Sealed piston ring |
| 09/27/1995 | CN1109088A Filling-type composite sealing pad and cushion ring of fluorine plastic |
| 09/21/1995 | DE4409092A1 Piston and piston ring system for IC engine |
| 09/20/1995 | EP0672850A1 A piston and ring assembly |
| 09/20/1995 | EP0672849A1 Piston sealing assembly |
| 09/19/1995 | US5450783 Low emission piston ring |
| 09/19/1995 | US5450782 Vibration desensitizing piston wear ring for railroad car control valve |
| 09/15/1995 | CA2144357A1 Antiblow-by piston and seal construction for high temperature applications |
| 09/15/1995 | CA2144356A1 Piston sealing assembly |
| 09/15/1995 | CA2144355A1 Ultra low crevice volume piston assembly |
| 09/13/1995 | CN2207483Y Piston air ring |
| 09/13/1995 | CN2207482Y Piston arranged with automatic-sealing open clearance combined air ring |
| 09/13/1995 | CN1029752C Method for making piston with composite material inlaid ring of ring slot |
| 09/12/1995 | US5449547 Hard coating material, sliding member coated with hard coating material and method for manufacturing sliding member |
| 09/06/1995 | EP0670444A1 Sealing arrangement |
| 09/05/1995 | US5447034 Cryogenic refrigerator and regenerative heat exchange material |
| 08/31/1995 | WO1995023305A1 A method of manufacturing oil scraper rings |