F16N 2260/04
Oil level
F16N2260/04 (Oil level) appears on 38 US grants and 29 published applications in this corpus.
Search patents in F16N- Granted patents
- 38
- Published applications
- 29
- Assignees
- 33
- Inventors
- 104
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 4 |
| 2019 | 1 | 4 |
| 2020 | 2 | 0 |
| 2021 | 3 | 2 |
| 2022 | 0 | 8 |
| 2023 | 6 | 3 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lubricant dispenser26 Aug 2025US 12,398,843 B2Perma-Tec GmbH&Co.KG
- Systems for axle arm1 Apr 2025US 12,263,700 B2Dana Italia S.R.L.
- Systems for axle arm18 Mar 2025US 12,251,962 B2Dana Italia S.R.L.
- Predicting track assembly component failure using direct oil contact sensor device3 Sep 2024US 12,078,523 B2Caterpillar Inc.
- Device and method for filling an oil reservoir of an aircraft engine23 Apr 2024US 11,964,779 B2Safran Aircraft Engines
- Apparatus and method for monitoring a lubrication system of an aircraft power plant27 Aug 2026US 2026/0251491 A1Pratt & Whitney Canada Corp.
- Integrated level sensor for lubricant pump assembly29 May 2025US 2025/0172242 A1Graco Minnesota Inc.
- Monitoring an anti-leak valve in a jet engine16 May 2024US 2024/0159328 A1Safran Aircraft Engines
- Predicting track assembly component failure using direct oil contact sensor device11 Jan 2024US 2024/0011813 A1Caterpillar Inc.
- Mechanical system provided with a sump receiving, above components to be lubricated or cooled, a tank of a lubricating fluid system12 Oct 2023US 2023/0323941 A1Airbus Helicopters
Most cited
By later US patents
- Engine oil indicator35US 4,306,525 AGeneral Motors Corporation · 1981
- Fluid exchanger with fluid reconciliation31US 5,273,085 ATokheim Corporation · 1993
- Apparatus for controlling and monitoring a lubricating system28US 5,182,720 AMcNeil (Ohio) Corporation · 1993
- Apparatus and technique for fluid level determination in automatic transmissions23US 5,282,386 AGeneral Motors Corporation · 1994
- Fluid exchanger with fluid reconciliation23US 5,586,583 ATokheim Corporation · 1996