B01D 53/8631
Processes characterised by a specific device
Official title: {Processes characterised by a specific device}
B01D53/8631 (Processes characterised by a specific device) appears on 445 US grants and 422 published applications in this corpus.
Search patents in B01D- Granted patents
- 445
- Published applications
- 422
- Assignees
- 288
- Inventors
- 1,200
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 4 |
| 2002 | 15 | 13 |
| 2003 | 13 | 15 |
| 2004 | 10 | 12 |
| 2005 | 10 | 13 |
| 2006 | 9 | 14 |
| 2007 | 6 | 6 |
| 2008 | 4 | 10 |
| 2009 | 8 | 10 |
| 2010 | 16 | 12 |
| 2011 | 12 | 23 |
| 2012 | 9 | 17 |
| 2013 | 18 | 25 |
| 2014 | 17 | 20 |
| 2015 | 16 | 38 |
| 2016 | 19 | 15 |
| 2017 | 12 | 15 |
| 2018 | 19 | 26 |
| 2019 | 15 | 14 |
| 2020 | 11 | 25 |
| 2021 | 27 | 16 |
| 2022 | 12 | 16 |
| 2023 | 16 | 18 |
| 2024 | 10 | 11 |
| 2025 | 10 | 22 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Steam methane reforming with process carbon dioxide capture and ammonia firing15 Sep 2026US 12,735,316 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Selective catalytic reduction catalyst module support system and installation method15 Sep 2026US 12,736,221 B2Lummus Technology Inc.
- System and method for lowering nitrogen oxides content from tail gas30 Jun 2026US 12,667,808 B2
- Control systems and methods for exhaust pollution mitigation26 May 2026US 12,636,610 B1ECC TEC MSJ Incorporated
- Exhaust gas treatment facility12 May 2026US 12,623,187 B2IHI Corporation
- Control systems and methods for exhaust pollution mitigation1 Oct 2026US 2026/0295519 A1ECC TEC MSJ Incorporated
- Reduction of nox emissions from semiconductor process tools17 Sep 2026US 2026/0273463 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Method for treating exhaust gas, and facility for carrying out method3 Sep 2026US 2026/0257172 A1Mitsubishi Heavy Industries, Ltd.
- Facility for recovering co2 contained in a feed gas flow30 Jul 2026US 2026/0216646 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Reducing the content of nox and n2o in the offgas from firing plants operated with nh3 for catalytic decomposition of nh330 Jul 2026US 2026/0216648 A1
Most cited
By later US patents
- Metering system105US 6,539,708 B1Siemens Aktiengesellscahft · 2003
- Process and device for the catalytic cleaning of the exhaust gas from a combustion plant84US 6,444,177 B1Siemens Aktiengesellschaft · 2002
- Catalyst system for the reduction of NOx and NH3 emissions81US 7,332,135 B2Ford Global Technologies, LLC · 2008
- Catalytic filtration device and method75US 5,221,484 ACeraMem Separations Limited Partnership · 1993
- Impactor for selective catalytic reduction system73US 6,601,385 B2Fleetguard, Inc. · 2003