F01L 2820/01
Absolute values
F01L2820/01 (Absolute values) appears on 582 US grants and 606 published applications in this corpus.
Search patents in F01L- Granted patents
- 582
- Published applications
- 606
- Assignees
- 230
- Inventors
- 1,161
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 11 |
| 2003 | 7 | 12 |
| 2004 | 9 | 10 |
| 2005 | 2 | 22 |
| 2006 | 18 | 25 |
| 2007 | 23 | 48 |
| 2008 | 34 | 28 |
| 2009 | 19 | 29 |
| 2010 | 22 | 21 |
| 2011 | 15 | 25 |
| 2012 | 16 | 16 |
| 2013 | 16 | 23 |
| 2014 | 22 | 23 |
| 2015 | 25 | 19 |
| 2016 | 15 | 38 |
| 2017 | 25 | 31 |
| 2018 | 28 | 41 |
| 2019 | 32 | 38 |
| 2020 | 42 | 37 |
| 2021 | 44 | 56 |
| 2022 | 34 | 26 |
| 2023 | 34 | 12 |
| 2024 | 20 | 9 |
| 2025 | 6 | 5 |
| 2026 | 8 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Variable duration valve train9 Jun 2026US 12,650,087 B1
- Sliding member and internal combustion engine7 Apr 2026US 12,595,754 B2Fukuda Metal Foil & Powder Co., Ltd.
- Articles with an adhesive layer24 Feb 2026US 12,559,653 B2Dow Global Technologies LLC
- Internal combustion engine with optimized intake system24 Feb 2026US 12,560,108 B2Dumarey Automotive Italia S.p.A.
- Backside emitter solar cell structure having a heterojunction24 Feb 2026US 12,563,844 B2Meyer Burger (Germany) GmbH
- Internal combustion engine with optimized intake system4 Dec 2025US 2025/0369374 A1Dumarey Automotive Italia S.p.A.
- Sliding member and internal combustion engine31 Jul 2025US 2025/0243792 A1Fukuda Metal Foil & Powder Co., Ltd.
- Sliding member20 Mar 2025US 2025/0092806 A1Riken
- Rocker arm assembly with improved latch pin assembly6 Mar 2025US 2025/0075645 A1Eaton Intelligent Power Limited
- Camshaft phaser having non-return valves23 Jan 2025US 2025/0027432 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Finger follower rocker arm with engine valve deactivator136US 5,544,626 AFord Motor Company · 1996
- Corrosion and wear resistant alloy88US 6,702,905 B1L. E. Jones Company · 2004
- Variable compression ratio engine74US 5,682,854 AKomatsu Ltd. · 1997
- Multi-cylinder diesel engine with variable valve actuation74US 6,237,551 B1C. R. F. Societa Consortile per Azioni · 2001
- Transitions among operating modes in an engine with a hybrid valvetrain65US 6,484,677 B2Ford Global Technologies, LLC · 2002