F25J 2215/64
Propane or propylene
F25J2215/64 (Propane or propylene) appears on 135 US grants and 137 published applications in this corpus.
Search patents in F25J- Granted patents
- 135
- Published applications
- 137
- Assignees
- 83
- Inventors
- 272
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 6 |
| 2007 | 4 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 4 |
| 2010 | 2 | 4 |
| 2011 | 0 | 4 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 5 |
| 2015 | 0 | 1 |
| 2016 | 2 | 3 |
| 2017 | 5 | 11 |
| 2018 | 3 | 12 |
| 2019 | 5 | 23 |
| 2020 | 9 | 8 |
| 2021 | 8 | 11 |
| 2022 | 17 | 8 |
| 2023 | 8 | 9 |
| 2024 | 3 | 10 |
| 2025 | 6 | 5 |
| 2026 | 8 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for processing gas in a gas storage facility for a gas tanker11 Aug 2026US 12,704,323 B2Gaztransport Et Technigaz
- Process for separating hydrogen from an olefin hydrocarbon effluent vapor stream2 Jun 2026US 12,643,067 B2Enflex, Inc.
- Dehydrogenation and pyrolysis product recovery with a common refrigerant2 Jun 2026US 12,643,843 B2Uop LLC
- Separation of hydrogen, methane, ethane, and propane in naphtha to ethane and propane fractionation section based on a dividing wall fractionation column integration12 May 2026US 12,623,980 B2Uop LLC
- Ethane separation with overhead cryogenic heat exchanger28 Apr 2026US 12,613,065 B2Uop LLC
- Configurations and methods for ngl recovery for high nitrogen content feed gases13 Aug 2026US 2026/0235354 A1Fluor Technologies Corporation
- Systems and methods for removing nitrogen during liquefaction of natural gas5 Feb 2026US 2026/0036367 A1ConocoPhillips Company
- Phase implementation of natural gas liquid recovery plants21 Aug 2025US 2025/0264273 A1Fluor Technologies Corporation
- Leakage detection system of reliquefaction system for ship24 Jul 2025US 2025/0237430 A1Hanwha Ocean Co., Ltd.
- Processes for recovery of one or more of c2, c3, or c4 olefins from a product stream of olefin production reactor systems26 Jun 2025US 2025/0207853 A1Dow Global Technologies LLC
Most cited
By later US patents
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Integrated high pressure NGL recovery in the production of liquefied natural gas94US 6,662,589 B1Air Products and Chemicals, Inc. · 2003
- Integration of LNG regasification with refinery and power generation87US 8,316,665 B2Fluor Technologies Corporation · 2012
- Carbon dioxide recovery process66US 5,335,504 AThe M. W. Kellogg Company · 1994
- Fractionation process for gaseous hydrocarbon mixtures with a high acid gas content49US 4,976,849 ASNAMPROGETTI S.p. A. · 1990