| Patents for F16J 9 - Piston-rings, seats therefor; Ring sealings of similar construction in general (4,592) |
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| 03/05/2015 | US20150061231 Piston ring for internal combustion engine |
| 03/05/2015 | US20150061230 Ported piston for automatic nailer |
| 03/04/2015 | EP2843083A2 Piston ring for internal combustion engine |
| 02/26/2015 | WO2015024693A1 Oil control ring |
| 02/26/2015 | US20150054223 Coatings and powders, methods of making same, and uses thereof |
| 02/26/2015 | US20150054222 Piston ring with chromium solid particle wear-prevention layer and corrosion-resistant flank surface |
| 02/26/2015 | DE102013216515A1 Ölabstreifring Oil ring |
| 02/19/2015 | WO2015023002A1 Pressure ring |
| 02/17/2015 | US8955487 Piston and cooled piston ring therefor and method of construction thereof |
| 02/12/2015 | WO2015021238A1 Piston ring |
| 02/12/2015 | US20150042046 Piston ring |
| 02/12/2015 | US20150041693 One-way pressure activated piston seal |
| 02/12/2015 | US20150041268 Aircraft shock strut and rebound damping ring |
| 02/12/2015 | US20150040853 Piston ring for an internal combustion engine |
| 02/11/2015 | CN204153130U 具有双环构造的活塞和缸组件 Piston and cylinder assembly having a bicyclic structure |
| 02/11/2015 | CN104339419A 具有多缸驱动组件的模切机 Cutting machine has multi-cylinder drive unit |
| 02/05/2015 | WO2015014786A1 Light-metal piston |
| 02/05/2015 | US20150035234 Sealing device for a piston |
| 02/05/2015 | DE102008038635B4 Kolbenring Piston ring |
| 02/04/2015 | CN204140858U 一种降噪液压活塞组件 Denoising hydraulic piston assembly |
| 02/04/2015 | CN104334937A 组合润滑油控制环 Lubricants control loop combination |
| 01/29/2015 | WO2015011982A1 Piston ring and manufacturing method therefor |
| 01/29/2015 | WO2015010178A1 Sliding assembly |
| 01/28/2015 | EP2828512A1 Piston ring for an internal combustion engine |
| 01/28/2015 | CN204127035U 一种安全性的液压油缸 A safe of hydraulic cylinders |
| 01/28/2015 | CN104314918A 高压开关用液压操动机构及其液压工作缸 High-voltage switch with a hydraulic actuator and a hydraulic cylinder |
| 01/28/2015 | CN104314911A 一种气动密封装置 One kind of pneumatic sealing device |
| 01/28/2015 | CN102954225B 往复运动内压补偿式密封件 Reciprocating internal pressure compensation seals |
| 01/28/2015 | CN102667264B 具有活塞环和支撑环的活塞 Piston rings and piston has the support ring |
| 01/28/2015 | CN102434665B 轻质梯度硬质合金密封环及其制造方法 Light Gradient carbide seal ring and its manufacturing method |
| 01/22/2015 | US20150021861 Engine having piston with l-shaped timing ring |
| 01/21/2015 | EP2826983A1 Combination of cylinder and piston ring |
| 01/21/2015 | EP2825800A1 One-way pressure activated piston seal |
| 01/21/2015 | EP2825682A1 Piston ring with chromium solid particle wear-prevention layer and corrosion-resistant flank surface |
| 01/21/2015 | CN204114108U 限压阀活塞密封圈 Pressure limiting valve piston seal |
| 01/15/2015 | US20150018254 Sliding element for use in internal combustion engine |
| 01/13/2015 | US8931395 Die casting piston and ring assembly |
| 01/08/2015 | US20150010341 Lockable joint |
| 01/07/2015 | CN104271802A 用于内燃机的滑动元件 Sliding elements for an internal combustion engine |
| 01/07/2015 | CN104271791A 具有涂层的滑动主体 Coated with a sliding body |
| 12/31/2014 | CN204061859U 蒸汽锤活塞结构 Steam hammer piston structure |
| 12/31/2014 | CN204061858U 一种抗高压的活塞密封圈 An anti-high-pressure piston seal |
| 12/31/2014 | CN102272491B 活塞环和汽缸套 Piston rings and cylinder liners |
| 12/25/2014 | US20140378900 Osmotic Delivery Systems and Piston Assemblies for Use Therein |
| 12/24/2014 | CN204041619U 液压升降机的活塞 Piston hydraulic lifts |
| 12/24/2014 | CN104246194A 用于内燃机的活塞环 For an internal combustion engine piston ring |
| 12/24/2014 | CN104246190A 用于内燃机的活塞环 For an internal combustion engine piston ring |
| 12/24/2014 | CN104235361A 一种平衡气缸 A balance cylinder |
| 12/17/2014 | CN204025661U 一种活塞环 One kind of piston rings |
| 12/17/2014 | CN204025653U 活塞组 Piston Group |
| 12/17/2014 | CN204025651U 新型油压缸活塞 The new hydraulic cylinder piston |
| 12/17/2014 | CN204025648U 小型油压缸活塞组件 Small hydraulic cylinder piston assembly |
| 12/17/2014 | CN204025647U 吸附式活塞 Adsorption Pistons |
| 12/17/2014 | CN104220793A 活塞、用于该活塞的冷却活塞环及其构造方法 Pistons, piston rings and construction method for cooling the piston |
| 12/17/2014 | CN104220792A 用于内燃机的活塞环 For an internal combustion engine piston ring |
| 12/17/2014 | CN104220791A 用于内燃机的活塞环 For an internal combustion engine piston ring |
| 12/17/2014 | CN104220737A 用于内燃机的活塞环 For an internal combustion engine piston ring |
| 12/11/2014 | US20140361492 System, method and apparatus for spring-energized dynamic sealing assembly |
| 12/10/2014 | CN204004363U 一种活塞密封结构 One kind of piston seal structure |
| 12/10/2014 | CN204004362U 一种活塞密封圈 One kind of piston ring |
| 12/10/2014 | CN204004361U 一种套气回收装置的专用组合活塞 Special combination of a piston sleeve gas recovery |
| 12/10/2014 | CN204003759U 一种气动密封装置 One kind of pneumatic sealing device |
| 12/10/2014 | CN104204273A 活塞环 Piston |
| 12/10/2014 | CN104204272A 用于在内燃机中使用的滑动部件 A sliding member for use in an internal combustion engine |
| 12/09/2014 | US8906130 Coatings and powders, methods of making same, and uses thereof |
| 12/04/2014 | US20140353923 Piston ring |
| 11/27/2014 | US20140346737 Piston seal assembly |
| 11/25/2014 | US8895488 Sliding structural members |
| 11/20/2014 | US20140339778 Structure of Piston Ring |
| 11/18/2014 | US8888104 Intershaft seal system for minimizing pressure induced twist |
| 11/18/2014 | US8887621 Reciprocating compressor |
| 11/06/2014 | US20140326131 Dual Ring Configuration for a Stationary Seal |
| 11/04/2014 | US8876116 Sealing structure |
| 11/04/2014 | US8876115 Three-piece oil-control ring for an internal combustion engine |
| 10/21/2014 | US8864966 Coating mask for electrolytically coating a peripheral region on an outer surface of a cylindrical body |
| 10/21/2014 | US8863641 Fluid servo and applications |
| 10/14/2014 | US8857820 Piston ring |
| 10/09/2014 | WO2014161696A1 Machining process for trapezoid rings with small axial dimensions, used in pistons of internal combustion engines |
| 10/09/2014 | WO2014161677A1 Piston ring having wear indication |
| 10/09/2014 | US20140298984 Two-Part Stationary Ring for Devices Having Pistons |
| 10/09/2014 | DE102013205912A1 Kolbenring mit Verschleißanzeige Piston ring wear indicator |
| 10/09/2014 | DE102013205908A1 Minuten-Kolbenring mit einer Rille Minute piston ring with a groove |
| 10/02/2014 | WO2014159795A1 Wear resistant piston ring coating |
| 10/02/2014 | WO2014158734A1 Dykes-type piston rings and method for manufacturing the same |
| 10/02/2014 | WO2014156820A1 Seal device |
| 10/02/2014 | WO2014156819A1 Seal device |
| 10/02/2014 | US20140290619 Piston-head design for use in an internal combustion engine |
| 10/02/2014 | DE102013005711A1 Kolben für ein Druckluft-Steuerventil Piston for a hydraulic control valve |
| 09/30/2014 | US8844937 Sealing device |
| 09/25/2014 | US20140284882 Wear protection layer for piston rings |
| 09/25/2014 | DE102012010753B4 Verfahren zur Herstellung eines Ölabstreifkolbenrings A method for producing a Ölabstreifkolbenrings |
| 09/18/2014 | WO2014144378A1 Dissimilar radial wall oil control rails for a piston ring assembly |
| 09/18/2014 | WO2014138829A1 Sliding set for use in an international combustion engine |
| 09/18/2014 | US20140265150 Pistons |
| 09/18/2014 | US20140265149 Combined oil control ring |
| 09/18/2014 | US20140265148 Low tension piston rings and method for manufacturing the same |
| 09/18/2014 | US20140265140 Dissimilar radial wall oil control rails |
| 09/17/2014 | EP2778482A1 Piston seal and method of reducing frictional forces of a piston seal |
| 09/17/2014 | EP2778481A1 Combination oil ring |
| 09/17/2014 | EP2776744A1 Piston ring with a wear-resistant cobalt coating |