B01D 53/346
Controlling the process
Official title: {Controlling the process}
B01D53/346 (Controlling the process) appears on 364 US grants and 509 published applications in this corpus.
Search patents in B01D- Granted patents
- 364
- Published applications
- 509
- Assignees
- 310
- Inventors
- 1,204
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 2 |
| 2002 | 2 | 3 |
| 2003 | 4 | 4 |
| 2004 | 0 | 3 |
| 2005 | 2 | 3 |
| 2006 | 5 | 8 |
| 2007 | 0 | 1 |
| 2008 | 3 | 3 |
| 2009 | 6 | 9 |
| 2010 | 5 | 5 |
| 2011 | 4 | 6 |
| 2012 | 3 | 9 |
| 2013 | 8 | 11 |
| 2014 | 13 | 21 |
| 2015 | 17 | 26 |
| 2016 | 13 | 26 |
| 2017 | 19 | 30 |
| 2018 | 27 | 36 |
| 2019 | 21 | 25 |
| 2020 | 38 | 25 |
| 2021 | 20 | 36 |
| 2022 | 25 | 33 |
| 2023 | 11 | 37 |
| 2024 | 21 | 33 |
| 2025 | 23 | 58 |
| 2026 | 21 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Device and method for passive collection of atmospheric carbon dioxide with a double-walled harvest chamber29 Sep 2026US 12,746,508 B2Arizona Board of Regents on behalf of Arizona State University
- Nitrogen oxides warm up control15 Sep 2026US 12,734,480 B1GM Global Technology Operations LLC
- Plant and method for carrying out an endothermic chemical process and for separating carbon dioxide from flue gas produced in the process28 Jul 2026US 12,691,411 B2L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes
- Systems and methods for capturing greenhouse gases utilizing algae28 Jul 2026US 12,691,412 B2Saudi Arabian Oil Company
- Control systems and methods for exhaust pollution mitigation1 Oct 2026US 2026/0295519 A1ECC TEC MSJ Incorporated
- Dac apparatus1 Oct 2026US 2026/0295530 A1Honda Motor Co., Ltd.
- Dac apparatus1 Oct 2026US 2026/0295531 A1Honda Motor Co., Ltd.
- Removal of atmospheric pollutants from gas, related apparatus, processes and uses thereof24 Sep 2026US 2026/0284589 A1Intelligent Abatement, LLC
- Air contactor24 Sep 2026US 2026/0284592 A1
Most cited
By later US patents
- Air pollution control apparatus and air pollution control method127US 8,202,354 B2Mitsubishi Heavy Industries, Ltd. · 2012
- System and process for removal of pollutants from a gas stream101US 6,610,263 B2EnviroScrub Technologies Corporation · 2003
- Charge-induced selective reduction of nitrogen51US 8,911,699 B2Clearsign Combustion Corporation · 2014
- Method for continuous measurement of the sulfite/sulfate ratio48US 4,533,440 AGeneral Electric Company · 1985
- System and process for removal of pollutants from a gas stream48US 6,579,507 B2EnviroScrub Technologies Corporation · 2003