B01D 2259/40056
Gases other than recycled product or process gas
B01D2259/40056 (Gases other than recycled product or process gas) appears on 169 US grants and 106 published applications in this corpus.
Search patents in B01D- Granted patents
- 169
- Published applications
- 106
- Assignees
- 81
- Inventors
- 365
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 6 |
| 2003 | 5 | 3 |
| 2004 | 2 | 5 |
| 2005 | 3 | 6 |
| 2006 | 2 | 4 |
| 2007 | 4 | 5 |
| 2008 | 4 | 0 |
| 2009 | 3 | 3 |
| 2010 | 0 | 2 |
| 2011 | 1 | 4 |
| 2012 | 3 | 3 |
| 2013 | 4 | 2 |
| 2014 | 3 | 6 |
| 2015 | 1 | 2 |
| 2016 | 3 | 4 |
| 2017 | 4 | 12 |
| 2018 | 5 | 7 |
| 2019 | 10 | 9 |
| 2020 | 9 | 7 |
| 2021 | 8 | 4 |
| 2022 | 4 | 4 |
| 2023 | 4 | 3 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Processes and systems for upgrading a hydrocarbon25 Aug 2026US 12,716,038 B2ExxonMobil Chemical Patents Inc.
- High recovery process for purification of multicomponent gases30 Jun 2026US 12,667,803 B2Praxair Technology, Inc.
- Continuous desulfurization process based on metal oxide-based regenerable sorbents25 Mar 2025US 12,258,527 B2
- Adsorptive gas separation process and system14 Nov 2023US 11,813,563 B2Svante Inc.
- High recovery process for purification of multicomponent gases22 Aug 2023US 11,731,075 B2Praxair Technology, Inc.
- Multimodal oxygen control module and multimodal oxygen control apparatus6 Aug 2026US 2026/0225027 A1Samsung Electronics Co., Ltd.
- Systems and methods of renewable natural gas processing9 Jul 2026US 2026/0192242 A1
- Mixed-anion sorbent for dual-functional moisture-swing direct air capture of carbon dioxide and ambient water harvesting28 May 2026US 2026/0145166 A1The Trustees of Princeton University
- Processes and Systems for Upgrading a Hydrocarbon26 Sep 2024US 2024/0318090 A1ExxonMobil Chemical Patents Inc.
- High recovery process for purification of multicomponent gases26 Oct 2023US 2023/0338886 A1Praxair Technology, Inc.
Most cited
By later US patents
- Carbon dioxide pressure swing adsorption process using modified alumina adsorbents155US 5,917,136 AAir Products and Chemicals, Inc. · 1999
- Capacity control system for pressure swing adsorption apparatus and associated method138US 5,474,595 AAirSep Corporation · 1995
- Hydrogen purification by selective adsorption111US 4,077,779 AAir Products and Chemicals, Inc. · 1978
- Gas separation by combined pressure swing and displacement purge108US 6,902,602 B2QuestAir Technologies Inc. · 2005
- Selective removal of nitrogen from natural gas by pressure swing adsorption87US 6,444,012 B1Engelhard Corporation · 2002