F25J 1/0235
Heat exchange integration
Official title: {Heat exchange integration}
F25J1/0235 (Heat exchange integration) appears on 255 US grants and 407 published applications in this corpus.
Search patents in F25J- Granted patents
- 255
- Published applications
- 407
- Assignees
- 158
- Inventors
- 668
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 6 |
| 2005 | 1 | 4 |
| 2006 | 5 | 3 |
| 2007 | 5 | 7 |
| 2008 | 1 | 5 |
| 2009 | 3 | 13 |
| 2010 | 1 | 17 |
| 2011 | 3 | 16 |
| 2012 | 0 | 16 |
| 2013 | 2 | 12 |
| 2014 | 3 | 13 |
| 2015 | 5 | 11 |
| 2016 | 5 | 19 |
| 2017 | 17 | 31 |
| 2018 | 12 | 28 |
| 2019 | 15 | 34 |
| 2020 | 22 | 19 |
| 2021 | 15 | 28 |
| 2022 | 24 | 23 |
| 2023 | 20 | 32 |
| 2024 | 19 | 29 |
| 2025 | 15 | 22 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for removing natural gas liquids from rich gas1 Sep 2026US 12,723,806 B2
- Refrigeration-integrated hydrocarbon collection system and method of operation25 Aug 2026US 12,716,649 B2Oxy Low Carbon Ventures, LLC
- Method and system for producing a liquefied natural gas product18 Aug 2026US 12,710,225 B2Linde Aktiengesellschaft
- Method and system for processing gas in a gas storage facility for a gas tanker11 Aug 2026US 12,704,323 B2Gaztransport Et Technigaz
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- Cryogenic cooling system3 Sep 2026US 2026/0257609 A1
- Cryogenic liquefaction system and method27 Aug 2026US 2026/0251386 A1Nearshore Natural Gas, LLC
- Cryogenic boiler27 Aug 2026US 2026/0251387 A1Blue Origin Manufacturing, LLC
- Compact carbon dioxide capture and liquefaction system using high-temperature district heating water waste heat from urban power plant combustion exhaust gas13 Aug 2026US 2026/0235352 A1Korea District Heating Corp.
- Nitrogen management in an lng plant6 Aug 2026US 2026/0227121 A1ConocoPhillips Company
Most cited
By later US patents
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Integrated process for converting hydrocarbon gas to liquids124US 6,248,794 B1Atlantic Richfield Company · 2001
- Process and system for liquefying natural gas124US 6,324,867 B1ExxonMobil Oil Corporation · 2001
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- LNG production in cryogenic natural gas processing plants108US 5,615,561 AWilliams Field Services Company · 1997