F01M 11/045
Removing lubricant by suction
Official title: {Removing lubricant by suction}
F01M11/045 (Removing lubricant by suction) appears on 109 US grants and 49 published applications in this corpus.
Search patents in F01M- Granted patents
- 109
- Published applications
- 49
- Assignees
- 43
- Inventors
- 134
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 8 | 0 |
| 2003 | 3 | 3 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 3 |
| 2015 | 2 | 2 |
| 2016 | 3 | 4 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 5 |
| 2020 | 2 | 2 |
| 2021 | 2 | 6 |
| 2022 | 7 | 2 |
| 2023 | 3 | 3 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods7 Jul 2026US 12,674,403 B2JohnDow Industries, Inc.
- Apparatus and method for moving viscous fluid by pressure12 May 2026US 12,624,793 B2Danhydra A/S
- Fan gearbox oil replacement device and method for using the same10 Feb 2026US 12,546,441 B2Huaneng Jiuquan Wind Power Co., Ltd
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods28 Oct 2025US 12,454,900 B2JohnDow Industries, Inc.
- Apparatus and method for moving viscous fluid by suction12 Nov 2024US 12,140,161 B2Danhydra A/S
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods17 Sep 2026US 2026/0275888 A1JohnDow Industries, Inc.
- Vacuum Oil Extractor Tank Assembly21 May 2026US 2026/0139615 A1ShenZhen AUTOOL Technology Co., Ltd
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods29 Jan 2026US 2026/0028926 A1JohnDow Industries, Inc.
- Fluid evacuation collection vessel assemblies and fluid evacuation systems and methods2 Oct 2025US 2025/0305429 A1JohnDow Industries, Inc.
- Portable automotive waste oil extraction device and method of use24 Jul 2025US 2025/0237159 A1Get Spiffy, Inc.
Most cited
By later US patents
- Oil changer71US 4,095,673 ABeaty Hanbai Kabushiki Kaisha · 1978
- Portable oil suction device51US 5,450,924 A1995
- Apparatus for exchange of automotive fluids50US 5,853,068 AWynn Oil Company · 1998
- Portable device and method for enhanced recovery of lubricants from engine sumps and the like42US 6,003,635 AKwik-Konnect, Inc. · 1999
- Vacuum chamber siphon apparatus36US 4,807,674 A1989