| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 05/15/2013 | CN202937799U Piston ring for automobiles |
| 05/15/2013 | CN202937798U Hydraulic cylinder assembly |
| 05/14/2013 | US8438966 Device and piston for segregating articles |
| 05/10/2013 | WO2013065652A1 Piston ring |
| 05/09/2013 | US20130113165 Piston bearing structure for fluid pressure cylinder |
| 05/09/2013 | US20130113164 Piston ring with a wear-resistant cobalt coating |
| 05/08/2013 | CN202927026U Piston ring steel belt |
| 05/08/2013 | CN103089998A Reciprocating sealing device |
| 05/08/2013 | CN103089997A Seal ring |
| 05/08/2013 | CN103089996A Piston component for aerodynamic engines |
| 05/02/2013 | WO2013062045A1 Piston ring |
| 05/01/2013 | CN202914721U Composite piston ring |
| 05/01/2013 | CN202914719U Self-dedusting anti-jamming piston |
| 05/01/2013 | CN102284768B Process for surfacing welding silicon-copper alloy on carbon steel and piston-cylinder unit of surfacing welding support ring |
| 04/30/2013 | US8430410 Piston ring |
| 04/25/2013 | WO2013002977A3 Piston guide ring comprising polyamide-poly(arylene ether) composition |
| 04/24/2013 | CN103056617A Method for manufacturing and assembling hydraulic pressure motor oil-sealing ring |
| 04/24/2013 | CN101240745B Combustion cylinder for internal combustion engine |
| 04/23/2013 | US8425823 Apply piston seal for a clutch |
| 04/22/2013 | DE202013003458U1 Kolben für eine Hydraulik-Kolben-Zylinder-Einheit Piston for a hydraulic piston-cylinder unit |
| 04/18/2013 | WO2013054807A1 Combined oil control ring |
| 04/18/2013 | DE102008008575B4 Dichtring, dessen Verwendung und Werkzeug zu seiner Herstellung Seal, and its use tool for its production |
| 04/17/2013 | CN202884000U Bi-direction pneumatic piston provided with T-shaped circular groove and used for installing Y-shaped leather collar |
| 04/17/2013 | CN202883149U Air-cooled diesel engine |
| 04/17/2013 | CN103052833A 活塞环 Piston |
| 04/17/2013 | CN103047413A Air piston |
| 04/17/2013 | CN103047410A Metering tube piston head structure for high-accuracy analysis meter |
| 04/17/2013 | CN103042195A Extrusion casting manufacture method of piston with reinforced pseudo-alloy circular groove |
| 04/11/2013 | DE102011084052A1 Coated piston ring for use in combustion engine such as reciprocating piston engine, has base body whose outer circumferential surface and flank surface form outer edge, which exhibits ridge or ablation having specific range width |
| 04/11/2013 | DE102011084051A1 Coated piston ring for use in internal combustion engine, has metallic base unit with outer peripheral surface and flank surfaces that are provided partly with electrochemically deposited metallic wear protection layer |
| 04/10/2013 | EP2578909A1 Pressure ring and method for producing the same |
| 04/10/2013 | EP2578908A1 Oil ring for internal combustion engine |
| 04/10/2013 | EP2577116A1 Oil control ring of ferrous body for internal combustion engines |
| 04/10/2013 | CN103032566A Sliding element with DLC coating |
| 04/10/2013 | CN101482070B Piston ring group of internal combustion engine |
| 04/04/2013 | US20130084031 Sliding element with dlc coating |
| 04/04/2013 | DE102010050598B4 Verfahren zur Herstellung eines Kolbenrings sowie danach hergestellter Kolbenring A process for producing a piston ring and piston ring produced thereafter |
| 04/03/2013 | EP2574685A1 Sliding element with DLC coating |
| 04/03/2013 | CN202851934U Piston sealing ring |
| 04/03/2013 | CN202851933U Plunger with sealing element |
| 04/03/2013 | CN103016720A Pressure bidirectional internal and external sealing rubber cap |
| 04/03/2013 | CN103016719A Hydraulic bidirectional sealing rubber leather bowl |
| 04/03/2013 | CN103016718A Hydraulic bidirectional inner and outer sealing rubber leather bowl |
| 04/03/2013 | CN103016717A Pressure bidirectional sealing rubber cap |
| 04/03/2013 | CN103016714A Sealing piston mechanism applicable to realizing bidirectional flowing of high-pressure electromagnetic valve gas |
| 04/03/2013 | CN103016201A Labyrinth type piston ring |
| 03/28/2013 | US20130075977 Piston ring for engine and manufacturing method thereof |
| 03/28/2013 | DE102011089284A1 Kolbenring für einen Verbrennungsmotor und Herstellungsverfahren dafür Piston ring for an internal combustion engine, and processes for its preparation |
| 03/28/2013 | DE102011015155B4 Verfahren zur Herstellung eines Ölabstreifkolbenrings A method for producing a Ölabstreifkolbenrings |
| 03/28/2013 | DE102010048079B4 Verfahren zur Herstellung eines Kolbenrings A process for producing a piston ring |
| 03/27/2013 | CN202837021U Piston for gravity sampler and gravity sampler |
| 03/26/2013 | US8403334 Multi-rail piston ring |
| 03/21/2013 | WO2013037436A1 Stroke piston for a stroke piston compressor for generating compressed air for a vehicle |
| 03/21/2013 | WO2013037094A1 Light-weight gradient cemented carbide sealing ring and method for manufacturing same |
| 03/20/2013 | EP2570705A1 Stripping ring and stripping blade |
| 03/20/2013 | CN202812406U Pilot-operated type magnetic valve piston assembly |
| 03/20/2013 | CN202812177U Abrasion-resisting high-temperature-resisting coating structure of motor piston ring |
| 03/20/2013 | CN202812176U Y-shaped bidirectional seal leather ring for bidirectional pneumatic piston |
| 03/20/2013 | CN101680545B Oil wiper ring |
| 03/19/2013 | US8398087 Bonded piston seal |
| 03/14/2013 | WO2012173981A3 Piston rod and cylinder seal device for aluminum bath crust breaker |
| 03/13/2013 | CN202790504U Electrode brake with piston guiding sealing structure |
| 03/13/2013 | CN101490450B Mechanical seal assembly |
| 03/06/2013 | CN202768818U Self-control type piston ring |
| 03/06/2013 | CN202768817U Sealed type piston ring |
| 03/06/2013 | CN202768816U Leakproof piston ring set |
| 03/06/2013 | CN102954225A Reciprocating movement type internal pressure compensation sealing piece |
| 03/06/2013 | CN102954211A Piston sealing part |
| 02/28/2013 | WO2013004217A3 Oil scraper ring for a piston of an internal combustion engine |
| 02/28/2013 | US20130053816 Multi-reservoir infusion pump systems and methods |
| 02/28/2013 | US20130049305 Internal combustion engine oil ring |
| 02/28/2013 | US20130049304 Nitrided piston ring resistant to the propagation of cracks |
| 02/28/2013 | DE102011052898A1 Control piston for control unit, particularly of automatic transmission units, has annular piston body, where outer or inner seal is formed on piston body such that half contour of seal base adheres at partial area of outer or inner contour |
| 02/27/2013 | EP2562448A1 Oil ring for internal combustion engine |
| 02/21/2013 | WO2013023270A1 Piston ring |
| 02/21/2013 | US20130043659 Piston ring |
| 02/21/2013 | US20130042845 Sliding element, in particular piston ring, and combination of a sliding element with a mating running element |
| 02/20/2013 | CN202746580U Piston ring for the elevator buffer |
| 02/20/2013 | CN202746579U Totally closed piston ring set |
| 02/20/2013 | CN102939482A Oil ring for internal combustion engine |
| 02/20/2013 | CN102937182A Hydraulic cylinder piston sealing structure of punch hydraulic system |
| 02/14/2013 | WO2013020643A1 Component |
| 02/13/2013 | EP2557337A1 Component |
| 02/13/2013 | EP2556252A1 Annular seal element |
| 02/13/2013 | CN202735028U Mechanical type pipeline safety pressure tapping device |
| 02/13/2013 | CN102933748A Helical compression spring for an oil scraper ring of a piston in an internal combustion engine and method for coating a helical compression spring |
| 02/13/2013 | CN102927175A Inner piston ring structure in oil pressure brake |
| 02/13/2013 | CN101657661B Sealing device |
| 02/12/2013 | US8371585 Oil wiper ring |
| 02/07/2013 | US20130032119 Two-piece compression piston ring of an internal combustion engine |
| 02/07/2013 | DE102012213586A1 Zweiteiliger kompressionskolbenring eines verbrennungsmotors Two-piece compression piston ring an internal combustion engine |
| 02/06/2013 | CN202719131U Piston elastic sealing ring and piston mechanism |
| 02/06/2013 | CN202719130U V-shaped multilayer sealing structure of hydraulic cylinder |
| 02/06/2013 | CN202719129U Multiple staggered sealing structure of piston |
| 02/06/2013 | CN202719125U Hollow piston rod connecting mechanism |
| 02/06/2013 | CN202719124U Hollow piston |
| 02/06/2013 | CN102918306A Nitrided piston rin resistant to crack propagation |
| 02/06/2013 | CN102913576A Piston ring structure in oil pressure brake |
| 02/05/2013 | US8365654 Half-sleeved and sleeveless plastic piston pumps |
| 01/30/2013 | EP2551560A1 Piston ring |