B60H 3/0608
Filter arrangements in the air stream
Official title: {Filter arrangements in the air stream}
B60H3/0608 (Filter arrangements in the air stream) appears on 425 US grants and 480 published applications in this corpus.
Search patents in B60H- Granted patents
- 425
- Published applications
- 480
- Assignees
- 237
- Inventors
- 1,124
- Latest grant
- 1 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 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 10 | 0 |
| 2002 | 3 | 7 |
| 2003 | 7 | 5 |
| 2004 | 7 | 8 |
| 2005 | 3 | 9 |
| 2006 | 5 | 9 |
| 2007 | 1 | 14 |
| 2008 | 2 | 5 |
| 2009 | 2 | 7 |
| 2010 | 7 | 4 |
| 2011 | 5 | 9 |
| 2012 | 3 | 9 |
| 2013 | 11 | 11 |
| 2014 | 5 | 8 |
| 2015 | 5 | 7 |
| 2016 | 5 | 21 |
| 2017 | 13 | 24 |
| 2018 | 14 | 23 |
| 2019 | 18 | 25 |
| 2020 | 18 | 42 |
| 2021 | 26 | 40 |
| 2022 | 22 | 44 |
| 2023 | 27 | 41 |
| 2024 | 35 | 53 |
| 2025 | 31 | 34 |
| 2026 | 20 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60H 3/0616With provisions for replacing the filter element99
- B60H 2003/065Details for holding filter elements in positionIndexing code88
- B60H 3/0641Near ventilating openings in the vehicle exterior77
- B60H 3/0633With provisions for regenerating or cleaning the filter element75
- B60H 3/0625With provisions for by-passing the filter element30
Recent patents
- Vehicle air conditioning system1 Sep 2026US 12,722,109 B2NGK Insulators, Ltd.
- Vehicle compartment purification system, method for controlling vehicle compartment purification system, program and storage medium25 Aug 2026US 12,715,271 B2NGK Insulators, Ltd.
- System and method for regulating environment within operator cabin of machine21 Jul 2026US 12,686,246 B2Caterpillar Inc.
- External connection device14 Jul 2026US 12,679,169 B2Shenzhen Antop Technology Limited
- Sorption filter device23 Jun 2026US 12,661,611 B2Mann+Hummel GmbH
- Biostatic filter assembly for automotive hvac systems20 Aug 2026US 2026/0241319 A1Tesla, Inc.
- Vehicle air conditioning system30 Jul 2026US 2026/0217091 A1NGK Insulators, Ltd.
- Working vehicle25 Jun 2026US 2026/0175650 A1Kubota Corporation
- Working vehicle25 Jun 2026US 2026/0175651 A1Kubota Corporation
- Air Conditioner and Motor Vehicle with Such an Air Conditioner18 Jun 2026US 2026/0166968 A1Mahle International GmbH
Most cited
By later US patents
- Air filter for the interior of motor vehicles92US 5,472,379 AFilterwerk Mann & Hummel GmbH · 1995
- Insert filter80US 6,598,580 B2Filterwerk Mann & Hummel GmbH · 2003
- Filter for the filtration of a fluid flow78US 5,679,122 AMinnesota Mining and Manufacturing Company · 1997
- Automatic air purifier for vehicles72US 4,658,707 A1987
- Multiple filter unit62US 4,629,479 AItal Idee s.r.l. · 1986