B01D 53/40
Acidic components
Official title: Acidic components (B01D53/44 takes precedence)
B01D53/40 (Acidic components) appears on 183 US grants and 202 published applications in this corpus.
Search patents in B01D- Granted patents
- 183
- Published applications
- 202
- Assignees
- 145
- Inventors
- 505
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 0 | 9 |
| 2010 | 6 | 7 |
| 2011 | 0 | 9 |
| 2012 | 3 | 8 |
| 2013 | 5 | 17 |
| 2014 | 11 | 16 |
| 2015 | 15 | 22 |
| 2016 | 16 | 17 |
| 2017 | 16 | 13 |
| 2018 | 14 | 12 |
| 2019 | 12 | 15 |
| 2020 | 11 | 12 |
| 2021 | 9 | 3 |
| 2022 | 9 | 7 |
| 2023 | 8 | 1 |
| 2024 | 1 | 6 |
| 2025 | 5 | 6 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for extracting carbon dioxide from flue gas22 Sep 2026US 12,741,247 B2Nan Ya Plastics Corporation
- Transfer chamber7 Jul 2026US 12,677,625 B2Sinfonia Technology Co., Ltd.
- Biogas halogenated volatile organic compound and acid removal systems and methods21 Apr 2026US 12,605,670 B2Stearns, Conrad and Schmidt, Consulting Engineers, Inc.
- Waste gas treatment apparatus for semiconductor and display processes14 Apr 2026US 12,604,697 B2
- Methods of monitoring gas byproducts of a bonding system, and related monitoring systems and bonding systems30 Sep 2025US 12,431,459 B2Kulicke and Soffa Industries, Inc.
- 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.)
- Assembly and method for using an exchange-membrane fuel cell and an acid-capture device13 Aug 2026US 2026/0237703 A1Safran Power Units
- Circulation duct structure for a semiconductor processing system2 Jul 2026US 2026/0190898 A1ASM IP Holding B. V.
- Reactor and gas recovery device1 Jan 2026US 2026/0001030 A1NGK Insulators, Ltd.
Most cited
By later US patents
- Natural gas liquefaction with improved nitrogen removal79US 6,631,626 B1ConocoPhillips Company · 2003
- Method for removing acid gases from flue gas58US 6,126,910 A2000
- Method of treating gases49US 5,565,180 ATurbotak Inc. · 1996
- Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities therefrom47US 5,385,689 ANovapure Corporation · 1995
- Solute gas-absorbing procedure39US 5,364,604 ATurbotak Technologies Inc. · 1994