F25J 3/04612
Heat exchange integration with process streams
Official title: {Heat exchange integration with process streams, e.g. from the air gas consuming unit}
F25J3/04612 (Heat exchange integration with process streams) appears on 157 US grants and 126 published applications in this corpus.
Search patents in F25J- Granted patents
- 157
- Published applications
- 126
- Assignees
- 71
- Inventors
- 263
- Latest grant
- 25 Aug 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
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| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 1 | 1 |
| 2003 | 4 | 6 |
| 2004 | 4 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 5 |
| 2007 | 3 | 3 |
| 2008 | 0 | 3 |
| 2009 | 2 | 2 |
| 2010 | 0 | 10 |
| 2011 | 6 | 9 |
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| 2017 | 6 | 5 |
| 2018 | 7 | 5 |
| 2019 | 2 | 1 |
| 2020 | 4 | 5 |
| 2021 | 4 | 2 |
| 2022 | 3 | 5 |
| 2023 | 3 | 7 |
| 2024 | 5 | 7 |
| 2025 | 2 | 8 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions25 Aug 2026US 12,716,650 B2Saipem S.P.A.
- 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.
- Device and method for producing hydrogen and byproduct oxygen by using green electricity electrolyzed water16 Dec 2025US 12,497,705 B2Hangzhou Oxygen Plant Group Co., Ltd.
- Method and plant for the production of ammonia with renewable energy22 Jul 2025US 12,365,595 B2Stamicarbon B. V.
- Compressed carbon dioxide energy storage system and method combined with air separation technology25 Jun 2026US 2026/0176984 A1Xi' An Jiaotong University
- Thermal integration temperature balancing of air separation unit and power generation system19 Mar 2026US 2026/0078947 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- 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 and plant for providing a nitrogen product, an oxygen product and a hydrogen product28 Aug 2025US 2025/0271208 A1Linde Aktiengesellschaft
Most cited
By later US patents
- Power plant with carbon dioxide capture and zero pollutant emissions254US 5,724,805 AUniversity of Massachusetts Lowell · 1998
- Solid-fueled power generation system with carbon dioxide sequestration and method therefor203US 6,148,602 ANorther Research & Engineering Corporation · 2000
- 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
- Combined power cycle with liquefied natural gas (LNG) and synthesis or fuel gas140US 5,295,350 ATexaco Inc. · 1994
- Integrated air separation and oxygen fired power generation system127US 7,284,362 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2007