B01D 53/38
Removing components of undefined structure
B01D53/38 (Removing components of undefined structure) appears on 431 US grants and 532 published applications in this corpus.
Search patents in B01D- Granted patents
- 431
- Published applications
- 532
- Assignees
- 377
- Inventors
- 1,241
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 3 |
| 2002 | 5 | 5 |
| 2003 | 6 | 5 |
| 2004 | 8 | 9 |
| 2005 | 0 | 10 |
| 2006 | 4 | 9 |
| 2007 | 5 | 13 |
| 2008 | 4 | 5 |
| 2009 | 6 | 23 |
| 2010 | 15 | 18 |
| 2011 | 4 | 26 |
| 2012 | 15 | 19 |
| 2013 | 18 | 29 |
| 2014 | 19 | 33 |
| 2015 | 24 | 36 |
| 2016 | 30 | 31 |
| 2017 | 31 | 27 |
| 2018 | 23 | 27 |
| 2019 | 19 | 32 |
| 2020 | 25 | 34 |
| 2021 | 22 | 21 |
| 2022 | 20 | 34 |
| 2023 | 17 | 23 |
| 2024 | 9 | 20 |
| 2025 | 19 | 26 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for extracting carbon dioxide from flue gas22 Sep 2026US 12,741,247 B2Nan Ya Plastics Corporation
- Microorganism deodorizing device and deodorization treatment system18 Aug 2026US 12,708,873 B2Miraie Corporation
- Transfer chamber7 Jul 2026US 12,677,625 B2Sinfonia Technology Co., Ltd.
- Regenerative thermal oxidizer, system comprising a regenerative thermal oxidizer and method of operating a regenerative thermal oxidizer12 May 2026US 12,624,833 B2Koch Engineered Solutions, LLC
- Biogas halogenated volatile organic compound and acid removal systems and methods21 Apr 2026US 12,605,670 B2Stearns, Conrad and Schmidt, Consulting Engineers, Inc.
- Hydrogen sulphide and mercaptan scavenging additive concentrate comprising an oxazolidine compound and an alkoxylated amine24 Sep 2026US 2026/0284585 A1TotalEnergies One Tech
- Acidic gas recovery apparatus and acidic gas recovery method3 Sep 2026US 2026/0257174 A1Kabushiki Kaisha Toshiba
- Gas treatment method and gas treatment device13 Aug 2026US 2026/0233154 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Controller and controlling method for exhaust gas treatment system13 Aug 2026US 2026/0235065 A1Ebara Corporation
- Assembly and method for using an exchange-membrane fuel cell and an acid-capture device13 Aug 2026US 2026/0237703 A1Safran Power Units
Most cited
By later US patents
- Apparatus for manufacturing a process abatement reactor386US 7,736,600 B2APPLIED Materials.Inc. · 2010
- Air cleaner with separate ozone and ionizer outputs and method of purifying air114US 5,656,063 AAirlux Electrical Co., Ltd. · 1997
- Air purification and decontamination for hazmat suits100US 7,658,891 B12010
- Natural gas liquefaction with improved nitrogen removal79US 6,631,626 B1ConocoPhillips Company · 2003
- Method, composition and system for the controlled release of chlorine dioxide gas64US 6,077,495 AEngelhard Corporation · 2000