F01L 2001/2438
With means permitting forced opening of check valve
Official title: {with means permitting forced opening of check valve}
F01L2001/2438 (With means permitting forced opening of check valve) appears on 11 US grants and 12 published applications in this corpus.
Search patents in F01L- Granted patents
- 11
- Published applications
- 12
- Assignees
- 10
- Inventors
- 33
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 4 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Hydraulic valve lifter for variable displacement engine32US 4,546,734 AAisin Seiki Kabushiki Kaisha · 1985
- Valve control device for an internal combustion engine26US 5,960,756 AAisin Seiki Kabushiki Kaisha · 1999
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