F16J 1/09

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Description

Class  F16J : PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS


Subclass 1/09: Pistons; Trunk pistons; Plungers (bellows pistons F16J 3/06; piston-rings or seats therefor F16J 9/00; rotary pistons, e.g. for "Wankel" type engines, F01C; specific for combustion engines, i.e. constructed to withstand high temperature or modified for guiding, igniting, vaporising, or otherwise treating the charge, F02F; pistons specially adapted for reciprocating-piston liquid engines F03C 1/28; for pumps F04B; floats F16K 33/00) with means for guiding fluids (F16J 1/08 takes precedence)

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12241482 Piston accumulatorNov 29, 22Mar 04, 25Hydac Technology GmbH
12188457 Sealing ring assemblies configured for pressure lockingNov 16, 22Jan 07, 25Mainspring Energy, Inc.
12018664 CompressorMar 31, 20Jun 25, 24LG Electronics Inc.
11965597 Piston assembly, air cylinder and apparatus for processing substrateJan 21, 23Apr 23, 24SEMES CO., LTD.
11946435 Open-faced piston assemblyMar 21, 22Apr 02, 24Mainspring Energy, Inc.
11905912 Piston of an internal combustion engineMar 26, 18Feb 20, 24MAHLE International GmbH
11725570 Engine piston, engine, hand-held tool, and method of manufacturing an engine pistonMar 02, 20Aug 15, 23Husqvarna AB
11668394 Piston and reciprocating compressorJun 13, 22Jun 06, 23Kabushiki Kaisha Kobe Seiko Sho ( Kobe Steel Ltd.)
11542962 Piston accumulatorJan 18, 19Jan 03, 23Hydac Technology GmbH
11530691 Sealing ring assemblies configured for pressure lockingSep 19, 19Dec 20, 22Mainspring Energy, Inc.
RE49259 Methods and systems for managing a clearance gap in a piston engineNov 30, 20Oct 25, 22Mainspring Energy, Inc.
11359525 Device and method for lubricating a connecting rod bearingDec 07, 18Jun 14, 22MAN Truck & Bus AG
11313318 Open-faced piston assemblyMay 14, 20Apr 26, 22Mainspring Energy, Inc.
11274747 Piston for an internal combustion engineJul 24, 20Mar 15, 22MAHLE International GmbH
11236786 Multipart balanced piston clutchJan 09, 20Feb 01, 22CNH Industrial America LLC
11028738 Piston for a hydraulic unit of a cam phaser and cam phaserNov 28, 18Jun 08, 21ECO Holding 1 GmbH
10989109 Fuel ignition methods for opposed piston engines and related structuresJul 17, 19Apr 27, 21Not available
10941727 PistonApr 04, 17Mar 09, 21NISSAN MOTOR CO., LTD.
10859162 Rotating piston for pumpsMay 20, 19Dec 08, 20Graco Minnesota Inc.
10851893 Piston arrangementSep 04, 15Dec 01, 20Westport Power Inc.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2022/0260,034 OPEN-FACED PISTON ASSEMBLYMar 21, 22Aug 18, 22Not available
2020/0109,781 DETONATION RESISTANT PISTONOct 08, 19Apr 09, 20Not available
2019/0331,222 PISTON WITH OPTIMIZED OIL RING NEGATIONApr 26, 18Oct 31, 19Not available
2019/0271,396 ROTATING PISTON FOR PUMPSMay 20, 19Sep 05, 19Not available
2017/0284,544 PISTON WITH VARIABLE DEPTH GROOVE ROOTMar 30, 16Oct 05, 17ELECTRO-MOTIVE DIESEL, INC.
2017/0254,417 PISTON ARRANGEMENTSep 04, 15Sep 07, 17Not available

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Patents Issued To Date - By Filing Year

Average Time to Issuance