| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 11/15/2007 | DE102006022027A1 Kolbenring für den Kolben eines Verbrennungsmotors Piston ring for the pistons of an internal combustion engine |
| 11/14/2007 | CN200975482Y O-shape ring |
| 11/08/2007 | DE202007012100U1 Dichtelement, insbesondere Radialwellen-, Stangen oder Kolbendichtring Sealing element, in particular radial shaft, rod or piston seal |
| 11/08/2007 | DE102006040487B3 Dichtelement für einen Bremszylinder einer Fahrzeugbremsanlage Sealing element for a brake cylinder of a vehicle brake system |
| 11/07/2007 | CN200971965Y Sealing ring with good elastic |
| 11/07/2007 | CN200971888Y Tilting cylinder for wagong |
| 11/07/2007 | CN101069007A Piston for internal-combustion engine and combination of piston and piston ring for internal-combustion engine |
| 11/01/2007 | WO2007123164A1 Piston ring material for internal combustion engine |
| 11/01/2007 | US20070252338 Method for the Production of Wear-Resistant Sides for a Keystone Ring for Internal Combustion Engine |
| 11/01/2007 | US20070251380 Piston |
| 10/31/2007 | CN101065448A Piston ring comprising a coated running surface, and coating agent |
| 10/25/2007 | WO2007089583A3 Systems and methods for statistical genomic dna based analysis and evaluation |
| 10/25/2007 | US20070245893 Piston assembly for a food extruder |
| 10/24/2007 | CN200965058Y Major diameter graphite seal ring |
| 10/24/2007 | CN100344890C Sliding member and production process thereof |
| 10/18/2007 | WO2007115790A1 Piston for an internal combustion engine having two ring grooves, wherein one ring groove has a ring carrier |
| 10/17/2007 | CN200961532Y Diamond like carbon film steel oil ring |
| 10/11/2007 | DE112005002856T5 Kolben für Verbrennungsmotor und Kombination aus Kolben und Kolbenring für einen Verbrennungsmotor Pistons for internal combustion engine and combination of piston and piston ring for an internal combustion engine |
| 10/11/2007 | DE102006015327A1 Piston rod sealing ring for use in piston compressor, has inner lateral surface exhibiting protective edge and sealing edge on both sides of inner groove, where protective edge is broken by flow channel |
| 10/09/2007 | US7279227 Spraying piston ring |
| 10/04/2007 | WO2006094591A8 Ledeburite cast iron with a high carbide content and an evenly distributed graphite embodiment |
| 10/03/2007 | CN200955581Y Rubber sealing ring with rough-selvedge removing technical groove |
| 10/03/2007 | CN200955580Y Washer |
| 10/03/2007 | CN101046157A Rotor transducer with twice work doing impeller |
| 09/26/2007 | EP1837561A1 Oil ring |
| 09/26/2007 | CN200952489Y 密封环 Sealing ring |
| 09/26/2007 | CN101042191A Sealed oil ring |
| 09/25/2007 | CA2288210C Fractured seal ring |
| 09/20/2007 | DE102006012532A1 Dichtungsanordnung für eine Hubkolbenvakuumpumpe The seal assembly for a Hubkolbenvakuumpumpe |
| 09/20/2007 | DE102006011482A1 Pneumatic linear drive e.g. piston rod-less linear drive, has supply chambers supplied with compressed air, such that piston seal is deformed from its initial state into sealing state, when pressure prevailing in chambers is increased |
| 09/19/2007 | CN101037975A Combined piston ring with novel locating device and manufacturing method thereof |
| 09/13/2007 | US20070210524 Piston rings |
| 09/12/2007 | CN200946657Y Large diameter tetrafluorethylene seal ring |
| 09/12/2007 | CN101033528A Stainless steel with middle content of chromium and carbon and preparing method thereof |
| 09/12/2007 | CN101033527A Stainless steel with high content of chromium and middle content of carbon and preparing method thereof |
| 09/11/2007 | US7267602 Seal assembly manufacturing methods |
| 09/11/2007 | US7267344 Piston ring with a PVD coating |
| 09/08/2007 | WO2007089924A2 Internal combustion engine |
| 09/07/2007 | WO2007100983A2 Fiber-to-the-home (ftth) optical receiver with distributed gain control |
| 09/07/2007 | WO2007099968A1 Piston ring |
| 09/07/2007 | WO2007099846A1 Sliding member |
| 09/05/2007 | EP1828586A1 Rotor recess with scupper slots and free casting |
| 09/05/2007 | CN101029611A Two-way sealed piston ring |
| 09/05/2007 | CN101029610A Assembled piston gas ring |
| 09/05/2007 | CN101029609A Oblique-connected sealer gas-ring combination of piston ring |
| 08/30/2007 | DE102006058081A1 2-Takt-Verbrennungskraftmaschine mit Ölabstreifring 2-stroke internal combustion engine with oil ring |
| 08/30/2007 | DE102006009022A1 Piston ring for internal combustion engine, has inner surface turned towards groove, where height of piston ring at outer surface is larger than height of piston ring at inner surface, and two inner angles are formed at side surfaces |
| 08/28/2007 | US7261301 Oil scraper ring for pistons of internal combustion engines |
| 08/23/2007 | US20070193553 Internal combustion engine |
| 08/23/2007 | US20070193552 Internal combustion engine |
| 08/23/2007 | US20070193551 Internal combustion engine |
| 08/23/2007 | US20070193550 Internal combustion engine |
| 08/23/2007 | US20070193549 Internal combustion engine |
| 08/23/2007 | US20070193443 Sealing arrangement for relatively movable parts and device including such a sealing arrangement |
| 08/22/2007 | CN2937675Y Double-sheet combined oi wiper, gas package piston ring |
| 08/22/2007 | CN101021271A Axle sealing oil-seal and seal lip material thereof |
| 08/22/2007 | CN101021268A Light hard alloy seal ring and producing method thereof |
| 08/16/2007 | US20070187002 Piston ring having improved scuffing, cracking and fatigue resistances, and its production method, as well as combination of piston ring and cylinder block |
| 08/15/2007 | EP1817498A1 Piston pump and piston ring |
| 08/15/2007 | EP1817377A1 Piston ring comprising a coated running surface, and coating agent |
| 08/15/2007 | CN2934247Y Furnace front clay gun rotating cylinder |
| 08/14/2007 | US7255083 Sliding structure for automotive engine |
| 08/09/2007 | WO2007088847A1 Three-piece oil ring and combination of three-piece oil ring and piston |
| 08/09/2007 | DE102006002347A1 Lösbare Schutzlippe an Abstreifelement Detachable protective lip at stripper element |
| 08/08/2007 | CN2931885Y 举升液压缸 Lifting cylinders |
| 08/08/2007 | CN1330873C Piston ring |
| 08/07/2007 | US7252292 Oil ring for an internal combustion engine |
| 08/01/2007 | CN2929365Y Anti-wear type piston ring |
| 08/01/2007 | CN2929364Y Seal ring |
| 08/01/2007 | CN1329678C Steel piston ring |
| 07/25/2007 | CN2926684Y Hydraulic oil cylinder of lifter |
| 07/19/2007 | WO2007079834A1 Sliding element, in particular piston ring, method for manufacturing a sliding element, sliding system and coating for a sliding element |
| 07/17/2007 | US7243596 Spacer expander |
| 07/12/2007 | DE102005061061A1 Piston ring for internal combustion engine, has U-shaped cross section arranged in groove of piston, and flange with rectangular cross section, whose radial outer surface is relocated against radial outer surface of piston |
| 07/11/2007 | EP1664597B1 Multipart oil wiping ring for pistons of internal combustion engines |
| 07/11/2007 | CN2921468Y Piston combine ring |
| 07/11/2007 | CN1997844A Oil ring for internal combustion engine |
| 07/11/2007 | CN1325821C Piston with supporting connector elements for piston cylinder arrangement, especially shock absorber piston |
| 07/05/2007 | DE102006003480B3 Piston ring for diesel engine, has lower flank provided with nitride layer, where trapezoidal area of upper flank is formed nitration layer-free and defined depredation is produced in operating condition |
| 07/04/2007 | CN2918900Y Fibulae type sealing oil ring |
| 07/04/2007 | CN1991218A Square and T-shape piston steam-fending column |
| 07/04/2007 | CN1323796C Application of laser welding in manufacturing seal piston ring |
| 07/03/2007 | US7237761 Valve having double wound lamellar ring |
| 06/27/2007 | EP1801416A1 Reciprocating piston machine |
| 06/27/2007 | CN2916279Y Insert type piston ring |
| 06/21/2007 | DE202006019903U1 Kolbenring für Abgas-Turbolader Piston ring for turbocharger |
| 06/21/2007 | DE102005059926A1 Dichtring und Dichtungsanordnung sowie deren Verwendung O-ring and gasket assembly and their use |
| 06/20/2007 | EP1728013B1 Piston ring |
| 06/20/2007 | EP1409896B1 Oil-scraper piston ring and a method for producing an oil-scraper piston ring |
| 06/19/2007 | CA2200791C Improved puzzle-lock compression ring |
| 06/14/2007 | US20070132192 Variable clearance packing ring arrangement |
| 06/13/2007 | EP1794336A1 Cast iron material for piston rings |
| 06/13/2007 | EP1108170B1 Replaceable mud pump piston seal |
| 06/13/2007 | CN2911213Y Fully chrome-plated piston ring |
| 06/13/2007 | CN1978955A Sealing piston-ring |
| 06/13/2007 | CN1321281C Side rail used for combination oil ring and method of nitriding the same |
| 06/12/2007 | US7228788 Piston structure for an air pump |
| 06/07/2007 | US20070128807 Piston ring and method for the production thereof |
| 06/06/2007 | EP1793144A1 Piston-sealing device for alternative internal combustion fitter or alternative compressor, and system comprising such a piston |
| 06/06/2007 | CN1975214A Sliding member and production process thereof |