F25J 2210/42
Nitrogen
F25J2210/42 (Nitrogen) appears on 316 US grants and 340 published applications in this corpus.
Search patents in F25J- Granted patents
- 316
- Published applications
- 340
- Assignees
- 148
- Inventors
- 667
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 2 |
| 2002 | 8 | 5 |
| 2003 | 8 | 8 |
| 2004 | 4 | 4 |
| 2005 | 2 | 7 |
| 2006 | 2 | 11 |
| 2007 | 7 | 2 |
| 2008 | 4 | 7 |
| 2009 | 2 | 12 |
| 2010 | 1 | 12 |
| 2011 | 1 | 9 |
| 2012 | 2 | 9 |
| 2013 | 5 | 7 |
| 2014 | 5 | 10 |
| 2015 | 3 | 12 |
| 2016 | 4 | 9 |
| 2017 | 9 | 22 |
| 2018 | 11 | 27 |
| 2019 | 14 | 19 |
| 2020 | 18 | 27 |
| 2021 | 18 | 26 |
| 2022 | 16 | 17 |
| 2023 | 16 | 33 |
| 2024 | 20 | 16 |
| 2025 | 14 | 18 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cryo-collection systems and related methods and hyperpolarizer systems22 Sep 2026US 12,742,592 B2Polarean, Inc.
- Refrigeration-integrated hydrocarbon collection system and method of operation25 Aug 2026US 12,716,649 B2Oxy Low Carbon Ventures, LLC
- Method and plant for low temperature fractionation of air18 Aug 2026US 12,710,228 B2Linde Aktiengesellschaft
- Device and method for recovering gas with variable low-temperature23 Jun 2026US 12,663,210 B2Hangzhou Oxygen Plant Group Co., Ltd.
- Hydrogen liquefaction with stored hydrogen refrigeration source9 Jun 2026US 12,650,259 B2Chart Energy & Chemicals, Inc.
- Cryogenic cooling system3 Sep 2026US 2026/0257609 A1
- System and method for the production and supply of a densified liquid oxygen product20 Aug 2026US 2026/0243506 A1
- Process and apparatus for purifying air and cryogenic air separation process and plant20 Aug 2026US 2026/0243508 A1
- Nitrogen management in an lng plant6 Aug 2026US 2026/0227121 A1ConocoPhillips Company
- System and method for precooling in hydrogen or helium liquefaction processing9 Jul 2026US 2026/0194293 A1Air Water Gas Solutions, Inc.
Most cited
By later US patents
- Combined air separation natural gas liquefaction plant104US 7,143,606 B2L'Air Liquide-Societe Anonyme a'Directoire et Conseil de Surveillance pour l'Etide et l'Exploitation des Procedes Georges Claude · 2006
- Active magnetic regenerator method and apparatus96US 5,249,424 AAstronautics Corporation of America · 1993
- Process and apparatus for producing liquid carbon dioxide93US 5,233,837 AEnerfex, Inc. · 1993
- Integrated apparatus for generating power and/or oxygen enriched fluid and process for the operation thereof91US 6,202,442 B1L'Air Liquide Societe Anonyme Pour l'Etude et l'Expoitation des Procedes Georges Claude · 2001
- Integrated apparatus for generating power and/or oxygen enriched fluid, process for the operation thereof82US 6,276,171 B1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2001