F01L 2001/0478
Torque pulse compensated camshafts
Official title: {Torque pulse compensated camshafts}
F01L2001/0478 (Torque pulse compensated camshafts) appears on 30 US grants and 25 published applications in this corpus.
Search patents in F01L- Granted patents
- 30
- Published applications
- 25
- Assignees
- 23
- Inventors
- 70
- Latest grant
- 8 Sep 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 4 |
| 2010 | 2 | 3 |
| 2011 | 3 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 5 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Synchronous drive apparatus with adjustable non-circular drive elements8 Sep 2020US 10,767,516 B2Litens Automotive Partnership
- Valve timing control apparatus for internal combustion engine2 Jul 2019US 10,337,358 B2Hitachi Automotive Systems, Ltd.
- Valve train for an internal combustion engine9 Apr 2019US 10,253,660 B2Mahle International GmbH
- Valve train for an internal combustion engine2 Apr 2019US 10,247,063 B2Mahle International GmbH
- Torsion assembly for controllably providing torque to a camshaft24 Jan 2017US 9,551,245 B2Schaeffler Technologies AG & Co. KG
- Synchronous drive apparatus with adjustable non-circular drive elements14 Nov 2019US 2019/0345848 A1Litens Automotive Partnership
- Valve timing control apparatus for internal combustion engine6 Sep 2018US 2018/0252122 A1Hitachi Automotive Systems, Ltd.
- Valve train for an internal combustion engine21 Dec 2017US 2017/0362969 A1Mahle International GmbH
- Valve train for an internal combustion engine21 Dec 2017US 2017/0362970 A1Mahle International GmbH
- Torsion assembly for controllably providing torque to a camshaft27 Apr 2017US 2017/0114675 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Engine valve actuation control system30US 5,873,335 ASiemens Automotive Corporation · 1999
- Cam torque actuated variable camshaft timing device with a bi-directional oil pressure bias circuit29US 8,800,515 B1BorgWarner Inc. · 2014
- Automotive engine torsional pulse enhancer24US 5,235,939 AFord Motor Company · 1993
- Valve train in internal combustion engine24US 5,899,181 AToyota Jidosha Kabushiki Kaisha · 1999
- Torque pulse compensated camshaft14US 5,040,500 ABorg-Warner Automotive, Inc. · 1991