B60H 3/06
Filtering
B60H3/06 (Filtering) appears on 640 US grants and 730 published applications in this corpus.
Search patents in B60H- Granted patents
- 640
- Published applications
- 730
- Assignees
- 339
- Inventors
- 1,776
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 12 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 7 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 15 | 6 |
| 2002 | 11 | 12 |
| 2003 | 12 | 7 |
| 2004 | 11 | 18 |
| 2005 | 7 | 19 |
| 2006 | 10 | 15 |
| 2007 | 5 | 20 |
| 2008 | 3 | 8 |
| 2009 | 4 | 10 |
| 2010 | 10 | 10 |
| 2011 | 7 | 14 |
| 2012 | 6 | 14 |
| 2013 | 14 | 11 |
| 2014 | 8 | 12 |
| 2015 | 7 | 16 |
| 2016 | 9 | 29 |
| 2017 | 18 | 44 |
| 2018 | 22 | 41 |
| 2019 | 35 | 38 |
| 2020 | 34 | 65 |
| 2021 | 37 | 61 |
| 2022 | 31 | 54 |
| 2023 | 43 | 57 |
| 2024 | 49 | 71 |
| 2025 | 34 | 46 |
| 2026 | 28 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60H 3/0608Filter arrangements in the air stream425
- B60H 3/0658Filter elements specially adapted for their arrangement in vehicles150
- B60H 2003/0691Adsorption filtersIndexing code99
- B60H 2003/0683The quality of the filter or the air being checkedIndexing code81
- B60H 2003/0675Photocatalytic filtersIndexing code49
Recent patents
- Vehicle, fleet, and method for treating environment air15 Sep 2026US 12,734,886 B2MANN+HUMMEL Ventures Pte. Ltd.
- Vehicle air conditioning system8 Sep 2026US 12,728,705 B2NGK Insulators, Ltd.
- Method for producing an exchanger element package for a vehicle8 Sep 2026US 12,729,875 B2Plastic Concept GmbH
- Vehicle air conditioning system1 Sep 2026US 12,722,109 B2NGK Insulators, Ltd.
- Filter element for an air-filter device of a motor vehicle, and air-filter device25 Aug 2026US 12,714,963 B2Daimler Truck AG
- High efficiency air filter body1 Oct 2026US 2026/0295491 A1Corning Incorporated
- Vehicle1 Oct 2026US 2026/0296131 A1Honda Motor Co., Ltd.
- Method and System For Monitoring the Environment of a Cabin and Regulating The Pressurisation of Same24 Sep 2026US 2026/0285127 A1Work Air Technologies Pty Ltd
- Biostatic filter assembly for automotive hvac systems20 Aug 2026US 2026/0241319 A1Tesla, Inc.
- System to prevent camera obstruction using voc absorbers20 Aug 2026US 2026/0241874 A1Tesla, Inc.
Most cited
By later US patents
- Optical sensor device431US 5,844,682 AOMRON Corporation · 1998
- Filter clog detection and notification system259US 9,183,723 B2Cleanalert, LLC · 2015
- Air filter gauge172US 6,190,442 B1Tishken Products Co. · 2001
- Titanium dioxide photo-catalyzer130US 5,919,422 AToyoda Gosei Co., Ltd. · 1999
- Filter sheet material for passenger cabins in motor vehicles112US 5,350,443 A1994