F02M 35/08
With means for removing dust, particles or liquids from cleaners
Official title: with means for removing dust, {particles or liquids} from cleaners; with means for indicating clogging; with by-pass means; {Regeneration of cleaners}
F02M35/08 (With means for removing dust, particles or liquids from cleaners) appears on 430 US grants and 432 published applications in this corpus.
Search patents in F02M- Granted patents
- 430
- Published applications
- 432
- Assignees
- 167
- Inventors
- 901
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 10 | 4 |
| 2002 | 4 | 7 |
| 2003 | 7 | 6 |
| 2004 | 4 | 7 |
| 2005 | 9 | 7 |
| 2006 | 2 | 6 |
| 2007 | 4 | 6 |
| 2008 | 5 | 8 |
| 2009 | 8 | 15 |
| 2010 | 4 | 8 |
| 2011 | 9 | 17 |
| 2012 | 12 | 15 |
| 2013 | 14 | 12 |
| 2014 | 17 | 34 |
| 2015 | 19 | 39 |
| 2016 | 27 | 30 |
| 2017 | 23 | 33 |
| 2018 | 21 | 25 |
| 2019 | 33 | 26 |
| 2020 | 32 | 28 |
| 2021 | 22 | 36 |
| 2022 | 31 | 25 |
| 2023 | 21 | 15 |
| 2024 | 17 | 8 |
| 2025 | 9 | 8 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Airbox with debris removal system28 Jul 2026US 12,691,400 B2Caterpillar Inc.
- Air cleaner bypass assembly and method of operating16 Jun 2026US 12,654,121 B2Donaldson Company, Inc.
- Multistage stage separation vortex flow air filter9 Jun 2026US 12,650,104 B2Volvo Truck Corporation
- Active precleaner system and methods of use2 Jun 2026US 12,643,066 B2Donaldson Company, Inc.
- Construction machine10 Feb 2026US 12,546,089 B2Yanmar Holdings Co., Ltd.
- Active precleaner system and methods of use24 Sep 2026US 2026/0284565 A1Donaldson Company, Inc.
- Engine air intake preseparation using electrostatically active materials9 Jul 2026US 2026/0194032 A1Parker-Hannifin Corporation
- Vehicle21 May 2026US 2026/0139649 A1Honda Motor Co., Ltd.
- Air Intake System Having a Detachable Cover and Window for Viewing and Replacing an Automotive Air Filter23 Apr 2026US 2026/0110283 A1Injen Technology Company, Ltd.
- Filter oil formulation19 Mar 2026US 2026/0078726 A1K&N Engineering, Inc.
Most cited
By later US patents
- Multistage air cleaner including pulse cleaning system130US 7,090,711 B2Donaldson Company, Inc. · 2006
- Dirt accumulation indicator for air intake filters123US 4,688,511 AFilterwerk Mann & Hummel GmbH · 1987
- Multistage air cleaner including pulse cleaning system120US 6,676,721 B1Donaldson Company, Inc. · 2004
- Air cleaner117US 5,575,826 ADonaldson Company, Inc. · 1996
- Air filter arrangement to permit cleaning without removing element94US 4,222,755 A1980