| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 03/03/2011 | US20110049811 Liquid-operated cylinder |
| 03/02/2011 | CN201753760U Special sealing ring for settlement type pipeline compensator |
| 03/02/2011 | CN201753639U Piston set with full seal piston rings |
| 03/02/2011 | CN101983256A Piston ring |
| 02/24/2011 | DE102009010728B4 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners |
| 02/23/2011 | EP2285998A2 Method for producing a piston for an internal combustion engine and piston for an internal combustion engine |
| 02/23/2011 | CN201751623U Brake wheel cylinder for drum brake |
| 02/22/2011 | US7891669 Piston ring with chromium nitride coating for internal combustion engines |
| 02/17/2011 | DE102009036240A1 Compression piston ring for internal combustion engine, has groove enclosed between two convex sections, where ring comprises surface balance point that lies in axial direction in plane between angular points |
| 02/16/2011 | EP2284422A1 Piston for engine having stable behavior of piston ring |
| 02/16/2011 | CN101978085A Piston ring material for internal combustion engine |
| 02/16/2011 | CN101977874A Method and device for producing a dispersion-hardened object that contains carbide nanoparticles |
| 02/16/2011 | CN101338445B Wear resistant coating of piston ring for internal-combustion engine and electroplating process |
| 02/16/2011 | CN101255330B Atmosphere pressure sintered microporous carborundum graphite self-lubricating seal ring and method for manufacturing same |
| 02/09/2011 | CN201739495U Seal ring |
| 02/08/2011 | CA2635364C Seal cartridge control valve |
| 02/03/2011 | DE19826323B4 Dichtungsanordnung Seal assembly |
| 02/01/2011 | US7879488 Apparatus and method for a power source casing with a stepped bevelled edge |
| 01/27/2011 | US20110018207 Piston ring material for internal combustion engine |
| 01/26/2011 | CN201723713U Sealing device for hydraulic cylinder |
| 01/26/2011 | CN201723700U D-shaped seal ring |
| 01/26/2011 | CN201723699U Novel sealing ring |
| 01/26/2011 | CN201723698U O-shaped sealing ring containing straight edge |
| 01/26/2011 | CN201723637U Piston of automobile shock absorber |
| 01/26/2011 | CN101956828A Wear-resistant oil seal |
| 01/26/2011 | CN101033527B Stainless steel with high content of chromium and middle content of carbon |
| 01/20/2011 | DE102010023877A1 Piston ring for reciprocating piston engine, has spreading element with ends arranged at distance from each other over protection element, where distance of ends is largely formed in circumferential direction than slot |
| 01/19/2011 | CN201715148U Blocking press type connecting piece for stainless steel pipeline |
| 01/19/2011 | CN201714652U Mortar pump sealing ring |
| 01/19/2011 | CN201712097U Bladder seal ring of tire curing press |
| 01/18/2011 | US7871078 Piston ring and method for the production thereof |
| 01/18/2011 | US7870819 Piston device and manufacturing method thereof |
| 01/13/2011 | DE102009049788B3 Mehrteiliger Kolbenring Multi-part piston ring |
| 01/13/2011 | DE102009028504B3 Gleitelement, insbesondere Kolbenring, mit einer Beschichtung Sliding element, in particular piston ring with a coating |
| 01/13/2011 | DE102009010727B3 Stahlgusswerkstoffzusammensetzung zur Herstellung von Kolbenringen und Zylinderlaufbuchsen Cast steel material composition for the manufacture of piston rings and cylinder liners |
| 01/13/2011 | DE102006024414B4 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners |
| 01/13/2011 | DE102005051223B4 Ölabstreifring Oil ring |
| 01/12/2011 | EP1929146B8 Method for producing a piston for an internal combustion engine and the thus produced piston |
| 01/12/2011 | EP1828586B1 Rotor recess with scupper slots and free casting |
| 01/12/2011 | CN201705937U Combined type sealing ring with antifriction distance ring |
| 01/12/2011 | CN201705931U Felt oil seal |
| 01/12/2011 | CN201705917U Composite rubber sealing ring |
| 01/12/2011 | CN201705916U Sealing ring |
| 01/12/2011 | CN201705915U Automobile hydraulic cylinder sealing device |
| 01/12/2011 | CN201705491U Piston ring structure |
| 01/12/2011 | CN101389886B Sliding member |
| 01/12/2011 | CN101100963B Piston ring for internal combustion engines |
| 01/06/2011 | WO2011000068A1 Piston ring |
| 01/05/2011 | CN201696804U 膨胀式皮碗 EXPANDING cup |
| 01/05/2011 | CN201696605U Autocompensation piston ring |
| 01/05/2011 | CN101936392A Sealing device for cylinder plunger |
| 01/05/2011 | CN101936391A Low-friction piston |
| 01/05/2011 | CN101270804B Electric-controlled shifting mechanism for engineering machinery |
| 12/29/2010 | WO2010151695A2 Cylinder rings |
| 12/29/2010 | CN201687935U Seal ring |
| 12/29/2010 | CN101929545A Rupture-preventing sealing piston ring |
| 12/23/2010 | US20100319661 Cylinder-Mounted oil wiper for an opposed piston engine |
| 12/23/2010 | US20100319530 Sealing apparatus for square piston used for compressing and feeding fluid |
| 12/23/2010 | DE102009025720A1 Sealing ring for pressure piston arrangement in e.g. automatic transmission, has sealing lip formed with continuously curved shape, where cross-section of sealing lip is formed in tapered manner at outer end of sealing lip |
| 12/22/2010 | EP1687555B1 Oil control ring for pistons of internal combustion engines |
| 12/22/2010 | CN101921948A Novel piston ring and preparation method thereof |
| 12/22/2010 | CN101074729B Resin coated piston manufacturing apparatus for shock absorber |
| 12/21/2010 | US7854191 Three-piece oil ring and combination of the three-piece oil ring and piston |
| 12/15/2010 | EP2260127A1 Structured chrome solid particle layer and method for the production thereof |
| 12/15/2010 | CN201672053U Thin-film type protecting jacket of lip part of oil seal |
| 12/15/2010 | CN201672052U V-shaped seal ring |
| 12/15/2010 | CN201672051U Gas-sealing piston ring and piston |
| 12/15/2010 | CN201671719U Stepping type piston ring for internal combustion engine |
| 12/15/2010 | CN101915307A Composite multi-layer sealing ring |
| 12/09/2010 | US20100308542 Hydraulic cylinder |
| 12/09/2010 | DE102009010726B3 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners |
| 12/08/2010 | EP2257654A2 Piston ring |
| 12/08/2010 | CN201666365U Novel piston ring set |
| 12/08/2010 | CN101910687A Lateral side protection of a piston ring with a thermally sprayed coating |
| 12/02/2010 | US20100303645 Reciprocative Compressor |
| 12/02/2010 | DE102009022804A1 Gleitelement mit freigelegter Funktionsfläche Slider with exposed functional surface |
| 12/02/2010 | DE102009003232A1 Gleitelement eines Verbrennungsmotors, insbesondere Kolbenring Sliding member of an internal combustion engine, particularly piston ring |
| 12/01/2010 | CN201661377U Piston ring and piston |
| 12/01/2010 | CN201661376U Piston ring I-shaped oil control ring with peripheral composite chromium electroplating layer and ceramic particle |
| 12/01/2010 | CN101310133B Sealing device for internal combustion engine piston |
| 11/25/2010 | WO2010133929A1 Oil ring mechanism of a piston |
| 11/25/2010 | WO2010133633A1 Gliding element |
| 11/25/2010 | WO2010133384A1 Gliding element |
| 11/25/2010 | US20100295251 Chromium nitride ion-plating coating and its production method, as well as piston ring used for internal combustion engine |
| 11/25/2010 | US20100295250 Seal |
| 11/25/2010 | DE102009046281B3 Gleitelement, insbesondere Kolbenring, und Kombination eines Gleitelements mit einem Laufpartner Slider, in particular piston ring, and a combination of a slider with a running partner |
| 11/25/2010 | DE102009031375B4 Kolbenring mit einstellbaren Verschleißeigenschaften und Verfahren zu seiner Herstellung Piston ring with adjustable wear properties and process for its preparation |
| 11/25/2010 | DE102009010728A1 Kolbenringe und Zylinderlaufbuchsen Piston rings and cylinder liners |
| 11/24/2010 | CN201651642U Sealing ring for connection of lining plastic-steel pipes |
| 11/24/2010 | CN201651322U Y-shaped sealing ring for reciprocating motion using |
| 11/24/2010 | CN201651288U Production device of graphite wound gasket |
| 11/24/2010 | CN201651287U Conical sealing ring |
| 11/24/2010 | CN201651286U Three-way high-elasticity combined oil ring |
| 11/24/2010 | CN201651285U Gasket seal adopting splicing molding |
| 11/24/2010 | CN201651284U Piston ring |
| 11/24/2010 | CN201651283U Improved piston sealing structure |
| 11/18/2010 | WO2010098382A9 Piston ring |
| 11/17/2010 | CN201636314U Seal gasket |
| 11/17/2010 | CN201636313U Novel wear-resistant embedded ring blank piece of aluminum piston |
| 11/17/2010 | CN201636312U Multifunctional silicone rubber gasket |