F01M 11/0408
Sump drainage devices
Official title: {Sump drainage devices, e.g. valves, plugs}
F01M11/0408 (Sump drainage devices) appears on 372 US grants and 261 published applications in this corpus.
Search patents in F01M- Granted patents
- 372
- Published applications
- 261
- Assignees
- 164
- Inventors
- 669
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 11 | 0 |
| 1991 | 6 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 10 | 0 |
| 2001 | 7 | 1 |
| 2002 | 6 | 7 |
| 2003 | 9 | 9 |
| 2004 | 6 | 16 |
| 2005 | 10 | 8 |
| 2006 | 8 | 10 |
| 2007 | 1 | 8 |
| 2008 | 7 | 15 |
| 2009 | 4 | 12 |
| 2010 | 7 | 6 |
| 2011 | 8 | 12 |
| 2012 | 9 | 12 |
| 2013 | 8 | 8 |
| 2014 | 7 | 7 |
| 2015 | 7 | 9 |
| 2016 | 8 | 9 |
| 2017 | 10 | 9 |
| 2018 | 12 | 16 |
| 2019 | 8 | 10 |
| 2020 | 7 | 12 |
| 2021 | 15 | 18 |
| 2022 | 16 | 12 |
| 2023 | 11 | 9 |
| 2024 | 11 | 10 |
| 2025 | 12 | 8 |
| 2026 | 7 | 8 |
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.
- Autonomous oil change system19 May 2026US 12,631,134 B2Rpm Industries, LLC
- Motor fluid draining tool kit assembly12 May 2026US 12,624,652 B2
- Engine with reduced noise21 Apr 2026US 12,607,137 B2Toyota Jidosha Kabushiki Kaisha
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods17 Sep 2026US 2026/0275888 A1JohnDow Industries, Inc.
- Vehicle oil change system comprising separator pan and drainage assembly18 Jun 2026US 2026/0168414 A1
- Watercraft Oil-Siphoning Device12 Mar 2026US 2026/0071562 A1
- Vented oil change cap5 Mar 2026US 2026/0063059 A1
- Oil Drain Plug System and Method29 Jan 2026US 2026/0028925 A1
Most cited
By later US patents
- Oil drainage coupler76US 5,048,578 A1991
- Oil change and recycling system76US 5,454,960 AAdvanced Building Technologies, Inc. · 1995
- Drain bolt56US 4,810,148 AIshikawa Tekko Kabushiki Kaisha · 1989
- Vent cap for oil tanks of machines and the like equipped with splash guard56US 7,959,026 B2Elesa S.p.A. · 2011
- Remotely controlled crankcase oil drain valve49US 3,954,250 A1976