F01L 2820/04
Sensors
F01L2820/04 (Sensors) appears on 497 US grants and 528 published applications in this corpus.
Search patents in F01L- Granted patents
- 497
- Published applications
- 528
- Assignees
- 147
- Inventors
- 1,006
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 4 |
| 2002 | 7 | 7 |
| 2003 | 5 | 10 |
| 2004 | 13 | 10 |
| 2005 | 18 | 35 |
| 2006 | 24 | 21 |
| 2007 | 20 | 24 |
| 2008 | 15 | 19 |
| 2009 | 12 | 32 |
| 2010 | 20 | 21 |
| 2011 | 17 | 21 |
| 2012 | 18 | 13 |
| 2013 | 16 | 25 |
| 2014 | 13 | 11 |
| 2015 | 22 | 13 |
| 2016 | 14 | 33 |
| 2017 | 23 | 39 |
| 2018 | 34 | 42 |
| 2019 | 43 | 31 |
| 2020 | 42 | 33 |
| 2021 | 30 | 29 |
| 2022 | 20 | 25 |
| 2023 | 27 | 17 |
| 2024 | 19 | 5 |
| 2025 | 5 | 2 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valvetrain testing using instrumented pushrod9 Sep 2025US 12,410,998 B2Textron Innovations Inc.
- Control device and control method for variable valve timing mechanism29 Jul 2025US 12,372,015 B2Hitachi Astemo, Ltd.
- Camshaft phaser having non-return valves1 Apr 2025US 12,264,603 B2Schaeffler Technologies AG & Co. KG
- Actuation system for an internal combustion engine4 Mar 2025US 12,241,390 B2Board of Trustees of Michigan State University
- System and method for determining position of axial cam shifting system11 Feb 2025US 12,221,911 B1Fca US LLC
- Method to shut down an internal combustion engine27 Aug 2026US 2026/0251095 A1Volvo Truck Corporation
- Engine comprising a camshaft timing gear30 Jul 2026US 2026/0218631 A1Lombardini S.R.L.
- System and method for distinguishing between a timing chain jump and a lock-up of an actuator in a variable valve timing device2 Jul 2026US 2026/0185468 A1Vitesco Technologies GmbH
- Method for managing a starting phase of a hybrid vehicle5 Feb 2026US 2026/0034992 A1Schaeffler Technologies AG & Co. KG
- Method for starting an internal combustion engine comprising a camshaft associated with an electric variable valve timing device29 Jan 2026US 2026/0028940 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Variable valve timing control system80US 6,330,870 B1Denso Corporation · 2001
- Methods for variable displacement engine diagnostics57US 7,546,827 B1Ford Global Technologie, LLC · 2009
- Self-adjustable camshaft drive mechanism56US 3,978,829 ANissan Motor Co., Ltd. · 1976
- GMR sensor element and its use52US 7,312,609 B2Robert Bosch GmbH · 2007
- Electromagnetic valve control system48US 5,072,700 AIsuzu Ceramics Research Institute Co., Ltd. · 1991