| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 03/14/2012 | CN202165592U 多级液压油缸缸筒支撑密封装置 Multi-stage hydraulic cylinder sealing device support |
| 03/08/2012 | WO2012028661A1 Seal arrangement |
| 03/07/2012 | EP2426385A1 Oil control ring with ferrous body less than 2.0 millimeters high for internal combustion engines |
| 03/07/2012 | CN202158178U 密封液压缸 Hydraulic cylinder seals |
| 03/07/2012 | CN202158175U Hydraulic oil cylinder piston |
| 03/07/2012 | CN102367869A Combined seal ring for DAS hole |
| 03/07/2012 | CN102367868A Combined seal ring for CST hole |
| 03/01/2012 | WO2012024779A1 Polygonal section piston |
| 03/01/2012 | DE102007007965B4 Kolbenring Piston ring |
| 03/01/2012 | CA2846082A1 Polygonal section piston |
| 02/29/2012 | EP2423539A1 Seal arrangement |
| 02/29/2012 | CN202152847U 一种汽车柱塞式制动主缸用主皮碗 An automobile brake master cylinder with a plunger-type primary cup |
| 02/29/2012 | CN102364168A Bidirectional internal sealing structure of mechanical vibrator |
| 02/28/2012 | US8123227 Sliding member |
| 02/23/2012 | DE102010039439A1 Dichtring für eine Kolbenpumpe Sealing ring for a piston pump |
| 02/23/2012 | DE102010034870A1 Compression piston ring, has recesses positioned between radially outer surface and radially inner circumferential surface, such that recesses are covered in piston groove in assembled state of ring, where piston groove receives ring |
| 02/22/2012 | CN202149201U 活塞-缸单元 Piston - cylinder unit |
| 02/22/2012 | CN102362106A Compression piston ring |
| 02/16/2012 | DE102010039208A1 Hollow piston ring for sealing gap between piston head and cylinder wall with respect to combustion chamber of internal combustion engine, has cavity filled with non-metallic solid whose density is smaller than that of casting material |
| 02/16/2012 | DE102010002688B4 Schraubendruckfeder für einen Ölabstreifring eines Kolbens in einem Verbrennungsmotor und Verfahren zur Beschichtung einer Schraubendruckfeder Helical compression spring for an oil scraper ring of a piston in an internal combustion engine and method for coating a helical compression spring |
| 02/16/2012 | DE102010002687B4 Verfahren zur Beschichtung zumindest der Innenfläche eines Kolbenrings sowie Kolbenring A method of coating at least the inner surface of a piston ring and piston ring |
| 02/15/2012 | CN102356257A Nitriding grade steel material composition for manufacturing piston rings and cylinder liners |
| 02/15/2012 | CN102356183A Method for coating sliding element and sliding element, in particular piston ring |
| 02/09/2012 | WO2012017590A1 Reciprocating engine |
| 02/09/2012 | DE102010038868A1 Piston ring for use in piston engine in motor car, has inner surface on which inner coating is provided, where thermal expansion coefficient of material of inner coating differs from that of material of ring |
| 02/08/2012 | CN202140555U 行星减速机制动器 Planetary Gearheads brake |
| 02/08/2012 | CN202140554U 一种空气炮用新型活塞 An air gun with a new piston |
| 02/08/2012 | CN202140268U 活塞油环 Piston oil ring |
| 02/08/2012 | CN102345727A Planet reductor brake |
| 02/08/2012 | CN102345084A Piston ring |
| 02/07/2012 | US8109088 Master cylinder with U-shaped seal |
| 02/02/2012 | US20120024149 Die casting piston and ring assembly |
| 02/02/2012 | DE102010035289B3 Oil stripping piston ring for internal combustion engine, has bars comprising stripping regions that are arranged at preset angle with respect to cylinder bearing surface |
| 02/01/2012 | EP2413006A1 Piston ring |
| 02/01/2012 | EP2411709A1 Nitratable steel piston rings and steel cylindrical sleeves, and casting method for the production thereof |
| 02/01/2012 | EP2411708A1 Nitriding grade steel material composition for manufacturing piston rings and cylinder liners |
| 02/01/2012 | EP2411553A1 Nitratable steel material composition for producing piston rings and cylindrical sleeves |
| 02/01/2012 | CN202132495U 斯特封密封结构的湿式制动器 Lancaster closure sealed wet brake structure |
| 02/01/2012 | CN102337983A Piston ring |
| 01/31/2012 | US8104771 Oil-control ring for an internal combustion engine |
| 01/26/2012 | DE102010038289A1 Kolbenring mit thermischen gespritzter Beschichtung und Herstellungsverfahren davon Piston ring with thermal sprayed coating and manufacturing method thereof |
| 01/26/2012 | DE102010031553A1 Piston for use in e.g. combustion engine, has piston ring accommodated in groove, where upper edge of groove comprises structured surface for enabling gas exchange along radial direction, and piston is made of piston material |
| 01/25/2012 | EP2408949A1 Method for coating a sliding element and sliding element, in particular a piston ring |
| 01/24/2012 | CA2465071C Diametrically energized piston ring |
| 01/19/2012 | US20120011838 Hub seal |
| 01/18/2012 | EP2285998B1 Method for producing a piston for an internal combustion engine and piston for an internal combustion engine |
| 01/18/2012 | CN202118254U Novel hydraulic oil cylinder |
| 01/18/2012 | CN202118239U Compression ring groove of piston |
| 01/18/2012 | CN202118233U Piston |
| 01/18/2012 | CN202118231U Piston structure |
| 01/18/2012 | CN202118229U Steel top iron skirt piston |
| 01/18/2012 | CN202117795U Steel ring-embedded molybdenum-sprayed piston ring |
| 01/18/2012 | CN102325918A Piston ring |
| 01/11/2012 | CN202108983U Silica gel rubber cup of air pressure adjusting valve in air pressure braking system |
| 01/11/2012 | CN1764745B Composite chromium plating film and sliding member having the same and method for manufacture thereof |
| 01/11/2012 | CN102317659A Wire rod for I-type oil ring, and its manufacturing method |
| 01/11/2012 | CN102313011A Piston ring device for vehicle |
| 01/11/2012 | CN102312753A Piston ring accessory for automobile |
| 01/11/2012 | CN102312752A Piston ring for automobile |
| 01/04/2012 | EP2402474A1 Piston ring |
| 01/04/2012 | EP2401533A1 Steel material composition for producing piston rings and cylinder liners |
| 01/04/2012 | EP2401532A1 Steel material composition for producing piston rings and cylinder sleeves |
| 01/04/2012 | EP2401531A1 Steel material composition for producing piston rings and cylinder sleeves |
| 01/04/2012 | EP2401530A1 Steel material composition for producing piston rings and cylinder sleeves |
| 01/04/2012 | CN102305289A Gap seal hydraulic cylinder based on deformable piston ring |
| 01/04/2012 | CN102305149A Air gap-free self sealing piston ring |
| 01/03/2012 | US8088496 Piston ring |
| 12/28/2011 | EP2399050A1 Compression piston ring |
| 12/28/2011 | CN102297261A 活塞与密封圈便装式组合结构 Piston and ring casual style combined structure |
| 12/27/2011 | US8083234 Seal assembly |
| 12/22/2011 | US20110309586 Compression piston ring |
| 12/22/2011 | US20110308383 Piston accumulator |
| 12/21/2011 | CN202082382U 新型zj15卷接机进刀气缸密封及其配套装置 The new volume pick zj15 feed cylinder seal and supporting device |
| 12/21/2011 | CN102292577A 具有活塞环及支撑环的活塞 Piston having piston rings and the support ring |
| 12/21/2011 | CN102292535A 密封套筒 Sealing sleeve |
| 12/21/2011 | CN102284768A 碳钢上堆焊硅铜合金的工艺及堆焊支撑环的活塞-缸单元 Surfacing welding on carbon and silicon technology support ring copper alloy piston - cylinder unit |
| 12/15/2011 | US20110302916 Seal Member For A Hydraulic Braking System |
| 12/14/2011 | CN202074027U 液压油缸及其活塞体 Hydraulic cylinder and piston body |
| 12/14/2011 | CN102282395A 用于制造活塞环和汽缸套的钢材合成物 Composite steel used in the manufacture of piston rings and cylinder liners |
| 12/14/2011 | CN102282283A 用于制造活塞环和汽缸套的可氮化钢材料成分 For the manufacture of piston rings and cylinder liners can be nitrided steel components |
| 12/14/2011 | CN102278468A 密封液压缸 Hydraulic cylinder seals |
| 12/08/2011 | WO2011152114A1 Oil ring for internal combustion engine |
| 12/08/2011 | WO2011151927A1 Oil ring for internal combustion engine |
| 12/08/2011 | WO2011151069A1 Oil control ring of ferrous body for internal combustion engines |
| 12/07/2011 | CN102272491A 用于制造活塞环和汽缸套的钢材合成物 Composite steel used in the manufacture of piston rings and cylinder liners |
| 12/07/2011 | CN102272490A 用于制造活塞环和汽缸套的钢材合成物 Composite steel used in the manufacture of piston rings and cylinder liners |
| 12/06/2011 | US8071680 melt kneading (a) block polymer of vinyl aromatic compound and conjugated diene compound which may be hydrogenated, (b0softener, (c) ethylene polymer and (d) propylene polymer with organic peroxidei |
| 12/01/2011 | WO2011148934A1 Pressure ring and method for producing the same |
| 12/01/2011 | US20110291364 Sealing device |
| 12/01/2011 | DE102010029256A1 Gleitelement Slider |
| 12/01/2011 | DE102010021806A1 Einrichtung mit einer Formdichtung Device with a molded seal |
| 11/30/2011 | CN102265069A 用于制造活塞环和汽缸套的钢材合成物 Composite steel used in the manufacture of piston rings and cylinder liners |
| 11/30/2011 | CN102261467A 一种新型多层液压缸的结构 A novel multi-layer structure of the hydraulic cylinder |
| 11/30/2011 | CN102261466A 一种用于汽车制动钳活塞的密封圈 An automotive brake caliper piston seals for |
| 11/30/2011 | CN102261465A 一种复合式接口胶圈 A composite interface Aprons |
| 11/30/2011 | CN102261464A 流体压力设备 Fluid pressure device |
| 11/23/2011 | CN102257299A Nitratable steel piston rings and steel cylindrical sleeves, and casting method for the production thereof |
| 11/17/2011 | DE102010020764A1 Compression piston ring for internal combustion engine or compression machine, has running surface, upper ring edge, lower ring edge and inner circumferential surface |
| 11/17/2011 | DE102010020491A1 Piston for reciprocating internal combustion engine, particularly two-stroke- large diesel engine, has piston ring that is formed as gas-tight piston ring without leakage and is removed from work space |
| 11/17/2011 | DE102010020490A1 Method for optimizing function of piston ring package of piston of piston internal combustion engine, particularly two stroke-diesel engine, involves exposing combustion pressure and pressure existing below piston |