B01D 53/1437
Pretreatment by adsorption
Official title: {Pretreatment by adsorption}
B01D53/1437 (Pretreatment by adsorption) appears on 36 US grants and 44 published applications in this corpus.
Search patents in B01D- Granted patents
- 36
- Published applications
- 44
- Assignees
- 37
- Inventors
- 127
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 4 | 5 |
| 2017 | 1 | 1 |
| 2018 | 0 | 4 |
| 2019 | 3 | 3 |
| 2020 | 0 | 1 |
| 2021 | 5 | 5 |
| 2022 | 3 | 4 |
| 2023 | 1 | 6 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-stage direct capture of CO2 from air11 Aug 2026US 12,702,947 B2ExxonMobil Technology and Engineering Company
- Process for treating a gas stream from plastic pyrolisis and/or biomass pyrolisis, and installation for integration into a steam cracker11 Aug 2026US 12,703,671 B2Technip Energies France
- Biogas processing systems and methods24 Mar 2026US 12,582,936 B2Ivys Adsorption Inc.
- Modular gas processing system13 Jan 2026US 12,521,669 B2Voltagrid LLC
- Mitigating naturally occurring radioactive material in oxidative dehydrogenation4 Mar 2025US 12,240,806 B2NOVA Chemicals (International) S.A.
- Atmospheric carbon dioxide capture system28 May 2026US 2026/0145123 A1Robert Bosch GmbH
- Atmospheric carbon dioxide capture system28 May 2026US 2026/0146341 A1Robert Bosch GmbH
- Modular gas processing system23 Apr 2026US 2026/0108839 A1Voltagrid LLC
- Acid gas recovery system5 Mar 2026US 2026/0061362 A1Mitsubishi Heavy Industries, Ltd.
- Method for treating smoke containing carbon dioxide27 Feb 2025US 2025/0065262 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Process and apparatus for recovering hydrocarbons from inert gas-hydrocarbon vapor mixtures38US 4,338,101 AJohn Zink Company · 1982
- Process for recovering hydrocarbons from air-hydrocarbon vapor mixtures37US 5,154,735 AJohn Zink Company, a Division of Koch Engineering Company, Inc. · 1992
- Recovery of CO2 and H2 from PSA offgas in an H2 plant26US 6,551,380 B1Fluor Corporation · 2003
- Methods and apparatuses for reforming of hydrocarbons including recovery of products using a recovery zone, an absorption zone and a pressure swing adsorption zone13US 9,327,973 B1Uop LLC · 2016
- Removal of acidic compounds from gaseous mixtures11US 4,259,301 AExxon Research & Engineering Co. · 1981