F25J 3/04563
Integration with a nitrogen consuming unit
Official title: {Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating}
F25J3/04563 (Integration with a nitrogen consuming unit) appears on 258 US grants and 203 published applications in this corpus.
Search patents in F25J- Granted patents
- 258
- Published applications
- 203
- Assignees
- 116
- Inventors
- 493
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 12 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 17 | 0 |
| 2001 | 17 | 2 |
| 2002 | 5 | 11 |
| 2003 | 14 | 8 |
| 2004 | 5 | 11 |
| 2005 | 5 | 9 |
| 2006 | 4 | 11 |
| 2007 | 7 | 5 |
| 2008 | 4 | 7 |
| 2009 | 5 | 10 |
| 2010 | 2 | 11 |
| 2011 | 7 | 12 |
| 2012 | 7 | 12 |
| 2013 | 6 | 17 |
| 2014 | 3 | 9 |
| 2015 | 5 | 1 |
| 2016 | 4 | 5 |
| 2017 | 4 | 4 |
| 2018 | 4 | 6 |
| 2019 | 3 | 4 |
| 2020 | 4 | 9 |
| 2021 | 1 | 3 |
| 2022 | 6 | 6 |
| 2023 | 5 | 14 |
| 2024 | 2 | 6 |
| 2025 | 5 | 8 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions28 Apr 2026US 12,613,064 B2Saipem S.P.A.
- Apparatus for precooling hydrogen for liquefaction using external liquid nitrogen and high pressure gaseous nitrogen24 Mar 2026US 12,584,686 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System for generating an inert gas for an aircraft using liquid hydrogen3 Feb 2026US 12,540,772 B2Airbus Operations GmbH
- System for producing compressed hydrogen13 Aug 2026US 2026/0234824 A1Ceres Intellectual Property Company Limited
- Cryogenic air separation enhanced gas turbine21 May 2026US 2026/0139621 A1Rtx Corporation
- Processing Gases18 Dec 2025US 2025/0383143 A1NET Power LLC
- System and method for producing ammonia30 Oct 2025US 2025/0333316 A1Siemens Energy Global GmbH & Co. KG
- Process for remote lox/lin production by hpair turbo expansion2 Oct 2025US 2025/0305764 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
Most cited
By later US patents
- Method for producing methane-containing gaseous mixtures305US 5,388,645 AAmoco Corporation · 1995
- Method for recovering methane from a solid carbonaceous subterranean formation224US 5,566,755 AAmoco Corporation · 1996
- Methanol plant retrofit for acetic acid manufacture208US 6,232,352 B1Acetex limited · 2001
- Solid-fueled power generation system with carbon dioxide sequestration and method therefor203US 6,148,602 ANorther Research & Engineering Corporation · 2000
- Closed cycle gas turbine for gaseous production199US 4,434,613 AGeneral Electric Company · 1984