F25J 3/04181
Regenerating the adsorbents
Official title: {Regenerating the adsorbents}
F25J3/04181 (Regenerating the adsorbents) appears on 96 US grants and 80 published applications in this corpus.
Search patents in F25J- Granted patents
- 96
- Published applications
- 80
- Assignees
- 33
- Inventors
- 182
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 4 |
| 2003 | 3 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 5 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 1 | 5 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 6 |
| 2015 | 0 | 1 |
| 2016 | 3 | 2 |
| 2017 | 4 | 3 |
| 2018 | 1 | 3 |
| 2019 | 4 | 6 |
| 2020 | 6 | 6 |
| 2021 | 5 | 8 |
| 2022 | 0 | 3 |
| 2023 | 7 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit11 Mar 2025US 12,247,783 B2Linde Aktiengesellschaft
- Method and apparatus for obtaining pressurized nitrogen by cryogenic separation of air14 Jan 2025US 12,196,485 B2Linde Aktiengesellschaft
- System and method for separating air gases at low pressure24 Sep 2024US 12,098,883 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for air separation by cryogenic distillation2 Jul 2024US 12,025,372 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for recovery of nitrogen, argon, and oxygen in moderate pressure cryogenic air separation unit19 Mar 2024US 11,933,538 B2Praxair Technology, Inc.
- Apparatus and process for low temperature regeneration of adsorbent material14 May 2026US 2026/0131276 A1Air Products and Chemicals, Inc.
- Process and apparatus for separating a gas mixture5 Feb 2026US 2026/0036365 A1L'Air Liquide, Société Anonyme pour I'Etube et I'Exploitation des Procédés Georges Claude
- Processing Gases18 Dec 2025US 2025/0383143 A1NET Power LLC
- Air separation method and plant18 Dec 2025US 2025/0383144 A1Linde Aktiengesellschaft
- Method and apparatus for compressing a gas24 Jul 2025US 2025/0237431 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Use of nitrogen from an air separation unit as gas turbine air compressor feed refrigerant to improve power output141US 5,388,395 AAir Products and Chemicals, Inc. · 1995
- Operation of an air separation process with a combustion engine for the production of atmospheric gas products and electric power99US 6,256,994 B1Air Products and Chemicals, Inc. · 2001
- Air separation process and system with gas turbine drivers97US 6,345,493 B1Air Products and Chemicals, Inc. · 2002
- Air separation process integrated with gas turbine combustion engine driver95US 6,263,659 B1Air Products and Chemicals, Inc. · 2001
- Apparatus for low temperature purification of gases78US 5,202,096 AThe BOC Group, Inc. · 1993