F01P 11/06
Cleaning
Official title: Cleaning (in general B08B); Combating corrosion (in general C23F)
F01P11/06 (Cleaning) appears on 338 US grants and 206 published applications in this corpus.
Search patents in F01P- Granted patents
- 338
- Published applications
- 206
- Assignees
- 147
- Inventors
- 612
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 9 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 4 |
| 2002 | 5 | 10 |
| 2003 | 18 | 17 |
| 2004 | 7 | 16 |
| 2005 | 13 | 12 |
| 2006 | 7 | 9 |
| 2007 | 4 | 9 |
| 2008 | 4 | 8 |
| 2009 | 6 | 7 |
| 2010 | 4 | 8 |
| 2011 | 7 | 2 |
| 2012 | 4 | 5 |
| 2013 | 2 | 2 |
| 2014 | 6 | 4 |
| 2015 | 2 | 8 |
| 2016 | 1 | 7 |
| 2017 | 7 | 10 |
| 2018 | 7 | 8 |
| 2019 | 14 | 11 |
| 2020 | 8 | 9 |
| 2021 | 9 | 13 |
| 2022 | 14 | 7 |
| 2023 | 9 | 5 |
| 2024 | 3 | 5 |
| 2025 | 6 | 4 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heat exchanger with corrosion reducing sacrificial component21 Jul 2026US 12,687,348 B2Valeo Autosystemy Sp. z o.o.
- Cooling device23 Jun 2026US 12,662,957 B2Honda Motor Co., Ltd.
- Active coolant monitoring and leak mitigation in vehicle cooling systems14 Apr 2026US 12,601,288 B2Volvo Truck Corporation
- Cooling module for a motor vehicle for cooling a drive unit of the motor vehicle, and motor vehicle and method for assembling a motor vehicle4 Nov 2025US 12,460,571 B2Audi AG
- Vehicle coolant systems22 Jul 2025US 12,366,537 B2GM Global Technology Operations LLC
- Lubrication and/or cooling oil supply circuit in a car17 Sep 2026US 2026/0275887 A1Ferrari S.P. A.
- Work machine control system, work machine, and work machine control method20 Aug 2026US 2026/0243060 A1Komatsu Ltd.
- Radiator cleanout for industrial vehicle20 Aug 2026US 2026/0243190 A1
- Timer-based fan cleaning system for agricultural vehicle23 Jul 2026US 2026/0210282 A1CNH Industrial America LLC
- Cooling package arrangement11 Jun 2026US 2026/0160196 A1Deere & Company
Most cited
By later US patents
- Device for treating and conditioning engine coolant100US 5,435,346 AAlliedSignal Inc. · 1995
- Slow release coolant filter99US 5,662,799 AFleetguard, Inc. · 1997
- Coolant filter having a delayed release supplemental coolant additive cartridge99US 5,948,248 ABaldwin Filters, Inc. · 1999
- Method of cleaning internal combustion engine cooling system and filter for use therein98US 5,050,549 A1991
- Coolant filter93US 5,753,116 AIng. Walter Hengst GmbH & Co. KG · 1998