F25J 1/0085
Ethane
Official title: {Ethane; Ethylene}
F25J1/0085 (Ethane) appears on 54 US grants and 90 published applications in this corpus.
Search patents in F25J- Granted patents
- 54
- Published applications
- 90
- Assignees
- 34
- Inventors
- 170
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 3 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 2 |
| 2007 | 3 | 3 |
| 2008 | 1 | 5 |
| 2009 | 0 | 4 |
| 2010 | 0 | 5 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 4 |
| 2014 | 0 | 2 |
| 2015 | 2 | 6 |
| 2016 | 1 | 5 |
| 2017 | 6 | 8 |
| 2018 | 3 | 4 |
| 2019 | 2 | 4 |
| 2020 | 1 | 4 |
| 2021 | 3 | 2 |
| 2022 | 1 | 5 |
| 2023 | 5 | 10 |
| 2024 | 4 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquified natural gas processing cold box with internal refrigerant storage3 Feb 2026US 12,540,773 B2
- Integrated multi-functional pipeline system for delivery of chilled mixtures of natural gas and chilled mixtures of natural gas and NGLS20 Jan 2026US 12,529,516 B2JL Energy Transportation Inc.
- Method and system for production optimization4 Nov 2025US 12,460,861 B2Shell USA, Inc.
- Systems and methods for removing nitrogen during liquefaction of natural gas28 Oct 2025US 12,455,114 B2ConocoPhillips Company
- Two-stage heavies removal in lng processing8 Oct 2024US 12,111,101 B2ConocoPhillips Company
- Cascade refrigeration natural gas liquefaction system and process27 Aug 2026US 2026/0251385 A1Hangzhou Zhongtai Cryogenic Technology Corporation
- Nitrogen management in an lng plant6 Aug 2026US 2026/0227121 A1ConocoPhillips Company
- Liquified natural gas processing cold box with internal refrigerant storage30 Apr 2026US 2026/0118052 A1
- Systems and methods for removing nitrogen during liquefaction of natural gas5 Feb 2026US 2026/0036367 A1ConocoPhillips Company
- Refrigerant accumulator9 Oct 2025US 2025/0314407 A1ConocoPhillips Company
Most cited
By later US patents
- Multi-component refrigeration process for liquefaction of natural gas100US 5,950,453 AExxon Production Research Company · 1999
- Natural gas liquefaction with improved nitrogen removal79US 6,631,626 B1ConocoPhillips Company · 2003
- Cryogenic recovery of LPG from natural gas45US 4,430,103 APhillips Petroleum Company · 1984
- Driver and compressor system for natural gas liquefaction45US 6,691,531 B1ConocoPhillips Company · 2004
- Noninvasive measurement and control system for use in hydrocarbon processing38US 7,213,413 B2ConocoPhillips Company · 2007