B01D 46/4218
Influencing the heat transfer which act passively
Official title: {Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs}
B01D46/4218 (Influencing the heat transfer which act passively) appears on 68 US grants and 45 published applications in this corpus.
Search patents in B01D- Granted patents
- 68
- Published applications
- 45
- Assignees
- 48
- Inventors
- 127
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 5 |
| 2005 | 0 | 6 |
| 2006 | 4 | 1 |
| 2007 | 2 | 0 |
| 2008 | 2 | 5 |
| 2009 | 3 | 2 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 4 | 2 |
| 2013 | 3 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 0 | 0 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Exhaust gas filter for reflow oven11 Jun 2024US 12,005,526 B2Illinois Tool Works Inc.
- Pollutant capturer and mobilizer5 Mar 2024US 11,918,949 B2
- Pollutant capturer and mobilizer18 Oct 2022US 11,471,816 B2
- Pollutant Capturer and Mobilizer6 Jun 2024US 2024/0181379 A1
- Pollutant Capturer and Mobilizer3 Nov 2022US 2022/0347619 A1
- Air Purification Apparatuses, Systems, and Methods for Removing Particulates, Volatile Organic Compounds, and Nitrous Oxide-Containing Compounds28 Jul 2022US 2022/0234002 A1The Boeing Company
- Portable air purifier16 Jun 2022US 2022/0184543 A1LG Electronics Inc.
- Exhaust gas filter for reflow oven8 Jul 2021US 2021/0205749 A1Illinois Tool Works Inc.
Most cited
By later US patents
- System for inlet air mass enhancement165US 8,414,673 B2Freudenberg Filtration Technologies India Pvt. Ltd. · 2013
- Filter and means for regeneration thereof89US 5,087,272 A1992
- Two-stage precoalescer unit61US 4,692,175 ARoanoke College · 1987
- Air filter assembly system and method41US 7,311,748 B2Parker-Hannifin Corporation · 2007
- Gas generator for multi-stage air bag and air bag device35US 6,722,694 B1Daicel Chemical Industries, Ltd. · 2004