B01D 2273/20
High temperature filtration
B01D2273/20 (High temperature filtration) appears on 162 US grants and 90 published applications in this corpus.
Search patents in B01D- Granted patents
- 162
- Published applications
- 90
- Assignees
- 134
- Inventors
- 394
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 11 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 5 |
| 2005 | 4 | 6 |
| 2006 | 4 | 2 |
| 2007 | 3 | 2 |
| 2008 | 2 | 4 |
| 2009 | 2 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 1 |
| 2013 | 1 | 4 |
| 2014 | 1 | 1 |
| 2015 | 3 | 1 |
| 2016 | 1 | 4 |
| 2017 | 3 | 6 |
| 2018 | 0 | 2 |
| 2019 | 1 | 4 |
| 2020 | 2 | 4 |
| 2021 | 5 | 3 |
| 2022 | 4 | 5 |
| 2023 | 4 | 4 |
| 2024 | 3 | 10 |
| 2025 | 2 | 7 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus with heated filter and operation method of the same21 Jul 2026US 12,689,011 B2Taiwan Semiconductor Manufacturing Company.Ltd
- High-temperature steam-water filtering unit and combined high-temperature steam-water filtering device9 Jun 2026US 12,649,122 B2Hangzhou Wandess Environmental Protection Technology Co., Ltd.
- Method for the dry filtration of a gas flow carrying foreign objects, and filter device for cleaning raw gas carrying foreign objects27 Jan 2026US 12,533,616 B2Herding GmbH Filtertechnik
- Integrated filter material and preparation method and application thereof22 Apr 2025US 12,280,359 B21. Nanjing Tech University
- Apparatus for a chlorination method to recycle metal elements in lithium batteries25 Feb 2025US 12,237,483 B1National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd.
- Method for treating exhaust gas, and facility for carrying out method3 Sep 2026US 2026/0257172 A1Mitsubishi Heavy Industries, Ltd.
- Apparatus for removing dust emitted from melting furnace25 Jun 2026US 2026/0177320 A1Korea Hydro & Nuclear Power Co., Ltd.
- Method for the dry filtration of a gas flow carrying foreign objects, and filter device for cleaning raw gas carrying foreign objects7 May 2026US 2026/0124568 A1Herding GmbH Filtertechnik
- In-situ hot filtration for gas-solid-separation in carbide-derived carbon production12 Feb 2026US 2026/0042076 A1
- Particulate removal system for use in hydroprocessing27 Nov 2025US 2025/0361449 A1Shell USA, Inc.
Most cited
By later US patents
- Air filtration arrangements having fluted media constructions and methods381US 6,673,136 B2Donaldson Company, Inc. · 2004
- High temperature nanofilter, system and method99US 7,052,532 B13M Innovative Properties Company · 2006
- Sintered composite medium and filter88US 4,687,579 AThe United States of America as represented by the United States Department of Energy · 1987
- Air filtration arrangements having fluted media constructions and methods77US 6,974,490 B2Donaldson Company, Inc. · 2005
- Filter for the separating of solids particles from hot, gaseous or liquid media76US 4,979,969 AHerding GmbH · 1990