F25J 1/0241
Wherein the overhead cooling comprises providing reflux for a fractionation step
Official title: {wherein the overhead cooling comprises providing reflux for a fractionation step}
F25J1/0241 (Wherein the overhead cooling comprises providing reflux for a fractionation step) appears on 26 US grants and 37 published applications in this corpus.
Search patents in F25J- Granted patents
- 26
- Published applications
- 37
- Assignees
- 22
- Inventors
- 59
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
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| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 0 | 4 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Pretreatment and pre-cooling of natural gas by high pressure compression and expansion14 Nov 2023US 11,815,308 B2ExxonMobil Technology and Engineering Company
- Heavy hydrocarbon removal system for lean natural gas liquefaction6 Jun 2023US 11,668,522 B2Air Products and Chemicals, Inc.
- Pretreatment and pre-cooling of natural gas by high pressure compression and expansion27 Dec 2022US 11,536,510 B2ExxonMobil Upstream Research Company
- Gas processing facility3 Nov 2020US 10,823,500 B2Elbrons B.V.
- Methods for operating hydrocarbon removal systems from natural gas streams26 Sep 2024US 2024/0318909 A1ExxonMobil Technology and Engineering Company
- Lng process using feedstock as primary refrigerant28 Mar 2024US 2024/0102729 A1JL Energy Transportation Inc.
- Method and system for producing a liquefied natural gas product14 Sep 2023US 2023/0288137 A1Linde Aktiengesellschaft
- Process and plant for producing liquefied natural gas29 Sep 2022US 2022/0307765 A1Linde Aktiengesellschaft
- Systems and Methods of Removing Contaminants in a Liquid Nitrogen Stream Used to Liquefy Natural Gas25 Nov 2021US 2021/0364229 A1ExxonMobil Upstream Research Company
Most cited
By later US patents
- Integrated high pressure NGL recovery in the production of liquefied natural gas94US 6,662,589 B1Air Products and Chemicals, Inc. · 2003
- Natural gas liquefaction58US 7,210,311 B2Ortloff Engineers, Ltd. · 2007
- Natural gas liquefaction56US 6,742,358 B2ElkCorp · 2004
- Natural gas liquefaction49US 7,010,937 B2ElkCorp · 2006
- Cryogenic recovery of LPG from natural gas45US 4,430,103 APhillips Petroleum Company · 1984