| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 02/06/2002 | CN2475878Y Sealing ring |
| 01/30/2002 | CN2474811Y Hydraulic cylinder composite sealing device |
| 01/30/2002 | CN1333859A Reciprocating piston engine |
| 01/29/2002 | US6341782 Lubricated seals having micropores |
| 01/24/2002 | WO2002006546A1 Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing the same, and combination of piston ring and cylinder block |
| 01/24/2002 | WO2002005989A1 Method of making composite powder and a composite coating of a substrate |
| 01/24/2002 | DE10031800A1 Bottle infeed-outfeed conveyor has housing with feed wheel having pair of seal rings with radial pressure pads to engage wheel |
| 01/23/2002 | EP1173624A1 Method for hardening ring-shaped grooves by means of laser beams |
| 01/23/2002 | CN2473390Y Piston ring |
| 01/22/2002 | US6340161 Machinery seal |
| 01/17/2002 | US20020005616 Self-lubricating piston ring material for internal combustion engine and piston ring |
| 01/16/2002 | CN2472009Y Piston ring and piston |
| 01/16/2002 | CN2471943Y Interassisting energy saving and environment protecting piston ring |
| 12/27/2001 | US20010054408 Piston |
| 12/26/2001 | CN2467846Y Piston ring with good thermal conduction and small closed end |
| 12/26/2001 | CN1328208A Two rings combined full-sealing piston ring |
| 12/12/2001 | CN1326008A Piston ring of modular graphite cost iron containing V-Ti alloy and its manufacturing technology |
| 12/06/2001 | US20010048199 Piston assembly with piston ring support and sealing member |
| 12/06/2001 | DE10015709A1 IC engine piston has annular cooling tube with inlet and outlet apertures for coolant which are connected to inlet and outlet tubes, assembly being manufactured as single unit before piston is cast on |
| 12/05/2001 | EP1160491A1 Stuffing box for large diesel engines |
| 12/05/2001 | CN2463549Y Plane bevel joint piston ring |
| 12/04/2001 | US6325385 Piston ring |
| 11/29/2001 | US20010045703 Piston sealing ring assembly |
| 11/28/2001 | EP1157229A1 Piston with at least one ring groove and at least one piston ring |
| 11/28/2001 | CN2462091Y Combined oil ring of diesel engine |
| 11/27/2001 | US6322080 Sealing arrangement |
| 11/22/2001 | DE10023846A1 Stuffing box to seal piston rod in large diesel engine; has several metal rings arranged axially on top of each other and having lips on their inner surfaces that are pressed to seal piston rod |
| 11/21/2001 | CN1323375A Reciprocating piston engine |
| 11/20/2001 | US6318147 Wear monitor |
| 11/15/2001 | US20010040346 Piston ring assembly |
| 11/14/2001 | CN1074812C Method and device for producing hollow insert sleeve of ring for piston for engine |
| 11/13/2001 | US6315840 Sliding member |
| 11/08/2001 | WO2001084024A1 Seal ring |
| 11/07/2001 | CN2458427Y Piston ring |
| 10/24/2001 | EP1147311A1 Air conditioning system for an automobile |
| 10/24/2001 | EP1147302A1 Piston |
| 10/24/2001 | CN1073669C Forceful sealing oil ring |
| 10/18/2001 | WO2001077548A1 Three piece type oil control ring |
| 10/17/2001 | CN2454552Y Energy-saing steel combined ring oiled of diesel engine |
| 10/10/2001 | EP1143025A1 Piston ring and manufacturing method |
| 10/10/2001 | EP1141593A1 Piston ring for the piston of an internal combustion engine |
| 10/10/2001 | EP1141577A1 A piston or plunger and a method for making the same |
| 10/04/2001 | WO2001073323A2 Sealing gasket on a movable piston in a cylinder |
| 10/04/2001 | WO2001073322A1 Piston for internal combustion engines |
| 10/04/2001 | DE10014515A1 Kolbenring mit Verschleißschutzschicht sowie Verschleißschutzschicht für einen Kolbenring Piston ring with a wear protection layer as well as anti-wear layer for a piston ring |
| 09/27/2001 | DE10014900A1 Piston for internal combustion engine has annular groove(s) in which at least lower edge is profiled; profiling is produced by use of laser beams and can consist of concentric grooves |
| 09/27/2001 | DE10012619A1 Steel piston ring alloy containing manganese, chromium, iron and other specified elements, is annealed and rapidly nitrided on mandrel before finishing |
| 09/27/2001 | DE10011918A1 Piston ring with wear-resistant layer has this layer consisting mainly of chromium, carbon and hydrogen |
| 09/27/2001 | DE10011917A1 Piston ring used in internal combustion engines has a wear-resistant layer made from titanium, boron and nitrogen in the region of the running surface |
| 09/27/2001 | DE10002282C1 Verfahren zur Herstellung eines Ölabstreifkolbenringes, sowie ein nach diesem Verfahren hergestellter Ölabstreifkolbenring A method for producing a piston oil control ring, and a piston oil control ring produced according to this method |
| 09/26/2001 | EP1136730A2 Piston ring with a wear resistant layer and wear resistant layer for a piston ring |
| 09/26/2001 | CN2450444Y Seal device for water turbine |
| 09/26/2001 | CN2450443Y Adjusting enclosed ring |
| 09/19/2001 | CN2449004Y Multi-function shaped seal ring |
| 09/18/2001 | US6289872 Rotating sleeve engine |
| 09/13/2001 | WO2001066982A1 Lubricated seals having micropores |
| 09/13/2001 | DE10011155A1 Aluminium piston, particularly for diesel engine, has intermetallic ring support-cooling channel combination connected with basic material |
| 09/12/2001 | EP1132663A2 Piston ring with wear resistant layer and wear resistant layer for piston ring |
| 09/12/2001 | CN2447580Y Flexible sealing piston |
| 09/12/2001 | CN2447529Y Mortise pistol ring |
| 09/06/2001 | DE19960709A1 Method for manufacturing an aluminium oil stripping piston ring involves using profiled aluminium strip and anodizing rotor web area after bending strip to defined diameter |
| 09/04/2001 | US6283478 Piston ring structural body and method of mounting the piston ring structural body |
| 08/28/2001 | US6279913 Diamond like carbon film deposited in nodular shapes in sizes of 0.5 to 5 micrometers on a sliding surface, and a mating material for the sliding member made of aluminum alloy; resistance to adhesion of aluminum, used at high temperature |
| 08/23/2001 | DE10018322C1 Ölabstreifkolbenring Piston oil control ring |
| 08/23/2001 | DE10004589A1 Kolben-Kolbenring-System Piston and piston ring system |
| 08/22/2001 | EP1126200A2 Piston ring with overlapping ends |
| 08/15/2001 | CN2443195Y 复合式密封圈 Composite seals |
| 08/09/2001 | WO2001057394A1 Fuel injection valve for internal combustion engines |
| 08/09/2001 | DE10004702A1 Kraftstoffeinspritzventil für Brennkraftmaschinen Fuel injection valve for internal combustion engines |
| 08/08/2001 | EP1122420A1 Piston and pistonring system |
| 08/07/2001 | US6270081 Combination of piston ring for use in internal combustion engine |
| 07/31/2001 | US6267384 Thin 3-piece oil ring |
| 07/26/2001 | WO2001053727A1 Oil-scraper piston ring and a method for producing an oil-scraper piston ring |
| 07/26/2001 | WO2001053682A1 A piston assembly with tongue-like flat seals |
| 07/26/2001 | US20010009319 Combined oil ring |
| 07/25/2001 | EP1118805A2 Combined oil ring |
| 07/25/2001 | CN1305063A Improved tangram type locked pressure ring and its manufacturing method |
| 07/24/2001 | CA2215706C Improved slant coil spring and seal |
| 07/19/2001 | WO2001051833A1 Multipiece piston ring and methods and devices for the production thereof |
| 07/10/2001 | US6257590 Sealing structure and method of mounting piston ring structural body for use in the sealing stucture |
| 06/27/2001 | CN2436720Y X type oil seal for piston |
| 06/14/2001 | US20010003258 Reciprocating pistons of piston-type compressor |
| 06/07/2001 | US20010002744 Combination of piston ring for use in internal combustion engine |
| 06/06/2001 | CN1066781C Sliding member and its producing method |
| 05/17/2001 | WO2001034875A1 Method and device for providing a layer to a piston ring |
| 05/15/2001 | US6232003 Sliding member |
| 05/10/2001 | WO2001032948A1 Method and device for producing machine components that are provided with at least one sliding surface |
| 05/02/2001 | EP1096180A2 Seal arrangement |
| 05/02/2001 | CN1293324A Installing structure of piston assembly |
| 05/01/2001 | US6224814 Seal ring and method of manufacturing the same |
| 04/26/2001 | WO2001000979A3 Low emission piston and ring for internal combustion engine |
| 04/18/2001 | EP1092898A2 Oil control ring for internal combustion engine with dynamically stabilized side rail |
| 04/18/2001 | CN1064719C Cast iron and piston ring |
| 04/12/2001 | DE19947183C1 Ölabstreifkolbenring Piston oil control ring |
| 04/11/2001 | CN1290765A Self lubricating piston ring material and piston ring for IC engine |
| 04/10/2001 | US6213474 Chromium carbide steel formed by nitriding surface treatment; facilitated bending work during manufacture which prevents ring breakage; for internal combustion engines, and/or large diesel engines |
| 04/04/2001 | EP1089026A2 Oil scraping ring |
| 04/03/2001 | US6209881 Cast-iron piston ring |
| 04/03/2001 | US6209446 Piston for internal combustion engine and process of making same |
| 03/28/2001 | EP1087031A2 Hard film, sliding member covered with hard film and manufacturing method thereof |