F25J 2260/42
Integration in an installation using nitrogen
Official title: Integration in an installation using nitrogen, e.g. as utility gas, for inerting or purging purposes in IGCC, POX, GTL, PSA, float glass forming, incineration processes, for heat recovery or for enhanced oil recovery
F25J2260/42 (Integration in an installation using nitrogen) appears on 51 US grants and 80 published applications in this corpus.
Search patents in F25J- Granted patents
- 51
- Published applications
- 80
- Assignees
- 53
- Inventors
- 191
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
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| 1987 | 2 | 0 |
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| 1992 | 1 | 0 |
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| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
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| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 1 | 6 |
| 2012 | 2 | 2 |
| 2013 | 0 | 6 |
| 2014 | 1 | 4 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 5 |
| 2018 | 2 | 5 |
| 2019 | 3 | 3 |
| 2020 | 5 | 8 |
| 2021 | 0 | 4 |
| 2022 | 5 | 0 |
| 2023 | 3 | 7 |
| 2024 | 1 | 4 |
| 2025 | 1 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Refrigeration-integrated hydrocarbon collection system and method of operation25 Aug 2026US 12,716,649 B2Oxy Low Carbon Ventures, LLC
- 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
- Carbon capture system and method with exhaust gas recirculation20 Jan 2026US 12,528,041 B2Chart Energy & Chemicals, Inc.
- Method and plant for the production of ammonia with renewable energy22 Jul 2025US 12,365,595 B2Stamicarbon B. V.
- Pretreatment, pre-cooling, and condensate recovery of natural gas by high pressure compression and expansion30 Jul 2024US 12,050,054 B2ExxonMobil Technology and Engineering Company
- 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
- System and method for simultaneously producing high-purity liquid nitrogen and high-purity liquid carbon dioxide at low cost by using flue gas26 Feb 2026US 2026/0055956 A1Hangzhou Oxygen Plant Group Co., Ltd.
- Cooling facility and method29 Jan 2026US 2026/0029192 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Processing Gases18 Dec 2025US 2025/0383143 A1NET Power LLC
Most cited
By later US patents
- Method and apparatus for cooling high temperature components in a gas turbine167US 6,487,863 B1Siemens Westinghouse Power Corporation · 2002
- Low emission energy source37US 7,191,736 B2Los Angeles Advisory Services, Inc. · 2007
- Nitrogen rejection from natural gas integrated with NGL recovery31US 4,504,295 AAir Products and Chemicals, Inc. · 1985
- Method of operating a combination power plant by coal or oil gasification25US 5,410,869 AABB Management AG · 1995
- Nitrogen rejection fractionation system for variable nitrogen content natural gas23US 4,662,919 AAir Products and Chemicals, Inc. · 1987