Description
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
F16J
Technology
Sub-Class
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- 3528 US PATENTS IN FORCE
- 1202 US APPLICATIONS PENDING
- 4106 Total Patent Owners
- 17720 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | 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) |
| 1/01 | 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) characterised by the use of particular materials (F16J 1/02 takes precedence) |
| 1/02 | 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) Bearing surfaces |
| 1/04 | 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) Resilient guiding parts, e.g. skirts, particularly for trunk pistons |
| 1/06 | 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) Resilient guiding parts, e.g. skirts, particularly for trunk pistons with separate expansion members; Espansion members |
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9,120,124 | Gasket material comprising fluororubber compound coated metal plate and method for manufacturing the same | Jan 23, 12 | Sep 01, 15 | U-SUN GASKET CORPORATION |
| 9,120,261 | Seal molding sleeve | Feb 13, 12 | Sep 01, 15 | CAMERON INTERNATIONAL CORPORATION |
| 9,121,299 | Axially retractable brush seal system | Jun 05, 13 | Sep 01, 15 | GENERAL ELECTRIC COMPANY |
| 9,121,341 | Dual link internal combustion engine | Apr 03, 13 | Sep 01, 15 | NISSAN MOTOR CO., LTD. |
| 9,121,344 | Integrated piston and bridge | Oct 21, 13 | Sep 01, 15 | ECOMOTORS, INC. |
| 9,121,350 | Seal arrangement and a method of repairing a seal arrangement | Jan 25, 13 | Sep 01, 15 | ROLLS-ROYCE PLC |
| 9,121,489 | Metal gasket | Mar 06, 15 | Sep 01, 15 | NIPPON LEAKLESS INDUSTRY CO., LTD. |
| 9,121,502 | Double-sealing device for a machine for the plasma treatment of containers | Oct 17, 07 | Sep 01, 15 | SIDEL PARTICIPATIONS |
| 9,121,503 | Rotary seal with supported inlet | Jun 15, 10 | Sep 01, 15 | KALSI ENGINEERING INC. |
| 9,121,504 | Rotary seal with improved film distribution | Sep 16, 13 | Sep 01, 15 | KALSI ENGINEERING INC. |
| 9,121,505 | Seal assembly | Mar 12, 10 | Sep 01, 15 | AKTIEBOLAGET SKF |
| 9,121,506 | Leaf seal | Jun 27, 14 | Sep 01, 15 | ROLLS-ROYCE PLC |
| 9,121,507 | Springs and methods of forming same | Jul 16, 14 | Sep 01, 15 | SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION |
| 9,115,807 | Piston for an air pump | Aug 31, 12 | Aug 25, 15 | |
| 9,115,809 | Pin joint assembly | Oct 02, 09 | Aug 25, 15 | CATERPILLAR INC. |
| 9,115,810 | Pressure actuated film riding seals for turbo machinery | Oct 03, 13 | Aug 25, 15 | GENERAL ELECTRIC COMPANY |
| 9,108,133 | Air-permeable water non-permeable device | Dec 23, 14 | Aug 18, 15 | FUJIKURA RUBBER LTD. |
| 9,108,274 | Method for the production of a piston | Sep 23, 11 | Aug 18, 15 | MAHLE INTERNATIONAL GMBH |
| 9,108,671 | Seal assembly | Aug 01, 12 | Aug 18, 15 | GM GLOBAL TECHNOLOGY OPERATIONS LLC |
| 9,109,459 | Apparatus and systems for sealing a rotary machine using a self-cleaning face seal | Nov 11, 13 | Aug 18, 15 | GENERAL ELECTRIC COMPANY |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0246,646 | THERMALLY EXPANDABLE FORMULATIONS | May 14, 15 | Sep 03, 15 | HENKEL AG & CO. KGAA |
| 2015/0246,664 | MASTER CYLINDER | Mar 27, 13 | Sep 03, 15 | HITACHI AUTOMOTIVE SYSTEMS, LTD. |
| 2015/0246,760 | Nesting Container Lids with Snap On Wings | May 18, 15 | Sep 03, 15 | WKI HOLDING COMPANY, INC. |
| 2015/0247,225 | WIRE FOR PISTON RINGS | Oct 03, 12 | Sep 03, 15 | TOKUSEN KOGYO CO., LTD., A CORP. OF JAPAN, |
| 2015/0247,453 | HYDRAULIC MOTOR CAPABLE OF MANY DIFFERENT APPLICATIONS ABLE TO USE LOW PRESSURE OR HIGH PRESSURE FLUIDS TO OPERATE | Apr 09, 15 | Sep 03, 15 | |
| 2015/0247,533 | SEALING ELEMENT FOR A ROLLING BEARING | Sep 20, 13 | Sep 03, 15 | |
| 2015/0247,567 | CONTROL PLATE | Dec 02, 13 | Sep 03, 15 | |
| 2015/0247,575 | PISTON-CYLINDER ARRANGEMENT, IN PARTICULAR A SLAVE CYLINDER FOR A HYDRAULIC CLUTCH ACTUATING DEVICE | Aug 14, 13 | Sep 03, 15 | SCHAEFFLER TECHNOLOGIES GMBH & CO. KG |
| 2015/0247,576 | SUPPORT SYSTEMS FOR MECHANICAL SEALS | Mar 02, 15 | Sep 03, 15 | AES ENGINEERING LTD. |
| 2015/0247,604 | SPLINED SHAFT COUPLING ARRANGEMENT | Mar 03, 14 | Sep 03, 15 | DEERE & COMPANY |
| 2015/0239,726 | PRESSURIZED DRIVE SHAFT SEAL FOR DISPENSING SYSTEMS AND A METHOD FOR USING THE SAME | Jan 27, 15 | Aug 27, 15 | CARRIER COMMERCIAL REFRIGERATION, INC. |
| 2015/0240,347 | COMPONENT HAVING A COATING AND METHOD FOR THE PRODUCTION THEREOF | Oct 23, 13 | Aug 27, 15 | MAHLE INTERNATIONAL GMBH |
| 2015/0240,586 | Well Tools Having Energized Seals | Oct 01, 12 | Aug 27, 15 | HALLIBURTON ENERGY SERVICES, INC. |
| 2015/0240,900 | MULTI DEFLECTION CANTED COIL SPRINGS AND RELATED METHODS | Feb 24, 15 | Aug 27, 15 | BAL SEAL ENGINEERING, INC. |
| 2015/0240,943 | REDUCED FRICTION OIL CONTROL PISTON RINGS | Sep 24, 13 | Aug 27, 15 | |
| 2015/0240,944 | SLIDING ELEMENT, IN PARTICULAR PISTON RING, HAVING RESISTANT COATING | Jul 30, 13 | Aug 27, 15 | FEDERAL-MOGUL BURSCHEID GMBH |
| 2015/0240,945 | THREE-PIECE OIL RING FOR INTERNAL COMBUSTION ENGINES, EXPANDING ELEMENT, AND ANNULAR ELEMENT | Sep 24, 13 | Aug 27, 15 | |
| 2015/0240,946 | METHOD FOR SHUTTING AN OPENING IN A BODY, IN PARTICULAR IN A DOOR ACTUATOR | Sep 17, 13 | Aug 27, 15 | DORMA DEUTSCHLAND GMBH |
| 2015/0240,947 | GASKET WITH A COMPRESSION LIMITER | May 11, 15 | Aug 27, 15 | |
| 2015/0240,948 | Seal Ring | Feb 12, 15 | Aug 27, 15 | NOK CORPORATION |
Top Owners in This Class
Top Owners in This Subclass
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Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)
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