F01M 11/04
Filling or draining lubricant of or from machines or engines
F01M11/04 (Filling or draining lubricant of or from machines or engines) appears on 1,030 US grants and 647 published applications in this corpus.
Search patents in F01M- Granted patents
- 1,030
- Published applications
- 647
- Assignees
- 369
- Inventors
- 1,668
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 17 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 4 | 0 |
| 1983 | 13 | 0 |
| 1984 | 5 | 0 |
| 1985 | 20 | 0 |
| 1986 | 12 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 12 | 0 |
| 1990 | 25 | 0 |
| 1991 | 24 | 0 |
| 1992 | 26 | 0 |
| 1993 | 26 | 0 |
| 1994 | 25 | 0 |
| 1995 | 32 | 0 |
| 1996 | 34 | 0 |
| 1997 | 23 | 0 |
| 1998 | 27 | 0 |
| 1999 | 34 | 0 |
| 2000 | 39 | 0 |
| 2001 | 32 | 7 |
| 2002 | 31 | 21 |
| 2003 | 23 | 24 |
| 2004 | 20 | 39 |
| 2005 | 21 | 22 |
| 2006 | 21 | 19 |
| 2007 | 7 | 16 |
| 2008 | 12 | 23 |
| 2009 | 6 | 17 |
| 2010 | 14 | 10 |
| 2011 | 11 | 21 |
| 2012 | 13 | 22 |
| 2013 | 11 | 20 |
| 2014 | 16 | 21 |
| 2015 | 23 | 25 |
| 2016 | 22 | 21 |
| 2017 | 16 | 32 |
| 2018 | 25 | 50 |
| 2019 | 26 | 38 |
| 2020 | 42 | 49 |
| 2021 | 35 | 46 |
| 2022 | 47 | 26 |
| 2023 | 32 | 24 |
| 2024 | 27 | 20 |
| 2025 | 26 | 17 |
| 2026 | 17 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for a fluid reservoir plug18 Aug 2026US 12,709,440 B2Ford Global Technologies, LLC
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods7 Jul 2026US 12,674,403 B2JohnDow Industries, Inc.
- Modular container and system including same16 Jun 2026US 12,654,905 B2Rpm Industries, LLC
- Oil tank access port cover for an aircraft engine oil system16 Jun 2026US 12,655,935 B2Pratt & Whitney Canada Corp.
- Autonomous oil change system19 May 2026US 12,631,134 B2Rpm Industries, LLC
- Modular container and system including same8 Oct 2026US 2026/0307857 A1Rpm Industries, LLC
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods17 Sep 2026US 2026/0275888 A1JohnDow Industries, Inc.
- Collector for a drained liquid for an aircraft turbine engine and associated turbine engine20 Aug 2026US 2026/0243177 A1Safran Helicopter Engines
- Method and apparatus for flushing contaminants from a container of fluids13 Aug 2026US 2026/0235200 A1
- Tool for draining oil and/or fuel from an oil filter30 Jul 2026US 2026/0217517 A1
Most cited
By later US patents
- Oil filter pack and assembly116US 6,048,454 A2000
- Auto-loading fluid exchanger and method of use114US 6,446,682 B12002
- Quick-change oil filter/reservoir system for internal combustion engine109US 4,151,823 A1979
- Waste oil management system102US 5,336,396 A1994
- Fluid servicing apparatus with integrated manifold and pump assembly99US 6,772,802 B2Norco Industries, Inc. · 2004