B01D 53/30
Controlling by gas-analysis apparatus
Official title: Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D)
B01D53/30 (Controlling by gas-analysis apparatus) appears on 520 US grants and 636 published applications in this corpus.
Search patents in B01D- Granted patents
- 520
- Published applications
- 636
- Assignees
- 410
- Inventors
- 1,582
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 5 |
| 2003 | 5 | 4 |
| 2004 | 7 | 4 |
| 2005 | 2 | 6 |
| 2006 | 2 | 4 |
| 2007 | 1 | 6 |
| 2008 | 2 | 4 |
| 2009 | 6 | 7 |
| 2010 | 5 | 17 |
| 2011 | 11 | 12 |
| 2012 | 9 | 12 |
| 2013 | 10 | 21 |
| 2014 | 10 | 9 |
| 2015 | 15 | 13 |
| 2016 | 12 | 24 |
| 2017 | 12 | 38 |
| 2018 | 40 | 50 |
| 2019 | 41 | 37 |
| 2020 | 22 | 51 |
| 2021 | 34 | 59 |
| 2022 | 38 | 55 |
| 2023 | 35 | 56 |
| 2024 | 55 | 54 |
| 2025 | 46 | 46 |
| 2026 | 25 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Intelligent drying device for transformer15 Sep 2026US 12,734,478 B2Fortune Electric Co., Ltd.
- Adsorption system and adsorption method1 Sep 2026US 12,722,117 B2Toyota Jidosha Kabushiki Kaisha
- Systems and methods for injection monitoring and diagnostics for gas chromatography18 Aug 2026US 12,710,408 B2Thermo Finnigan LLC
- Latent heat and condensation exchanger11 Aug 2026US 12,704,076 B2Sustainable Energy Solutions, LLC
- Method for the volatile organic compounds adsorption capacity prediction based on filling adsorption28 Jul 2026US 12,691,407 B2University of Chinese Academy of Sciences
- Gas processing device and gas production method8 Oct 2026US 2026/0307003 A1Hirata Corporation
- Carbon dioxide recovery apparatus24 Sep 2026US 2026/0284573 A1Honda Motor Co., Ltd.
- Dehydration device and assembly, and method for obtaining such an assembly27 Aug 2026US 2026/0251392 A1Lgd
- Methods and systems for foaming events prediction in gas plants20 Aug 2026US 2026/0244167 A1Saudi Arabian Oil Company
- Concentrator for high flow rate gaseous substances and gaseous substance treatment system including same13 Aug 2026US 2026/0233152 A1Enbion Inc.
Most cited
By later US patents
- Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas153US 5,628,186 ASiemens Aktiengesellschaft · 1997
- System and process for removal of pollutants from a gas stream101US 6,610,263 B2EnviroScrub Technologies Corporation · 2003
- Exhaust purification device of internal combustion engine100US 5,483,795 AToyota Jidosha Kabushiki Kaisha · 1996
- Reducing mercury emissions from the burning of coal97US 7,776,301 B2NOx II, Ltd. · 2010
- Reducing mercury emissions from the burning of coal78US 7,507,083 B22009