F01M 2011/0416
Plugs
Official title: {Plugs}
F01M2011/0416 (Plugs) appears on 140 US grants and 134 published applications in this corpus.
Search patents in F01M- Granted patents
- 140
- Published applications
- 134
- Assignees
- 91
- Inventors
- 318
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 3 | 4 |
| 2006 | 2 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 6 |
| 2009 | 1 | 6 |
| 2010 | 0 | 4 |
| 2011 | 4 | 8 |
| 2012 | 5 | 8 |
| 2013 | 5 | 4 |
| 2014 | 6 | 4 |
| 2015 | 4 | 7 |
| 2016 | 6 | 8 |
| 2017 | 6 | 5 |
| 2018 | 11 | 9 |
| 2019 | 4 | 7 |
| 2020 | 5 | 9 |
| 2021 | 10 | 14 |
| 2022 | 11 | 6 |
| 2023 | 8 | 3 |
| 2024 | 6 | 5 |
| 2025 | 6 | 4 |
| 2026 | 4 | 4 |
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
- Autonomous oil change system19 May 2026US 12,631,134 B2Rpm Industries, LLC
- Reversible oil pan for an internal combustion engine7 Apr 2026US 12,595,756 B2Caterpillar Inc.
- Oil pan drain plug with locking feature24 Feb 2026US 12,560,113 B2
- Common drain for fluid chambers of a motor vehicle drivetrain fluid system16 Sep 2025US 12,416,253 B2Schaeffler Technologies AG & Co. KG
- Vented oil change cap5 Mar 2026US 2026/0063059 A1
- Oil Drain Plug System and Method29 Jan 2026US 2026/0028925 A1
- Systems and methods for a fluid reservoir plug1 Jan 2026US 2026/0001684 A1Ford Global Technologies, LLC
- Water Pump Drain Plug System1 Jan 2026US 2026/0002545 A1
- Engine-Oil Dipstick Having a Magnet28 Aug 2025US 2025/0270945 A1Figurati Designs LLC
Most cited
By later US patents
- Oil drainage coupler76US 5,048,578 A1991
- Drain bolt56US 4,810,148 AIshikawa Tekko Kabushiki Kaisha · 1989
- Portable device and method for enhanced recovery of lubricants from engine sumps and the like42US 6,003,635 AKwik-Konnect, Inc. · 1999
- Oil drain valve35US 4,745,894 AAeroquip Corporation · 1988
- Drain valve33US 5,433,410 A1995