F25J 2220/60
Separating impurities from natural gas
Official title: Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
F25J2220/60 (Separating impurities from natural gas) appears on 680 US grants and 838 published applications in this corpus.
Search patents in F25J- Granted patents
- 680
- Published applications
- 838
- Assignees
- 269
- Inventors
- 1,230
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 14 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 14 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 17 | 1 |
| 2002 | 11 | 6 |
| 2003 | 10 | 10 |
| 2004 | 11 | 20 |
| 2005 | 10 | 12 |
| 2006 | 10 | 25 |
| 2007 | 14 | 17 |
| 2008 | 10 | 22 |
| 2009 | 15 | 34 |
| 2010 | 6 | 53 |
| 2011 | 3 | 28 |
| 2012 | 6 | 33 |
| 2013 | 15 | 32 |
| 2014 | 7 | 31 |
| 2015 | 15 | 46 |
| 2016 | 16 | 34 |
| 2017 | 37 | 71 |
| 2018 | 40 | 50 |
| 2019 | 38 | 61 |
| 2020 | 38 | 54 |
| 2021 | 33 | 33 |
| 2022 | 51 | 56 |
| 2023 | 30 | 38 |
| 2024 | 36 | 33 |
| 2025 | 22 | 26 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Closed loop LNG process for a feed gas with nitrogen22 Sep 2026US 12,742,589 B2ConocoPhillips Company
- Liquefied natural gas production facility on gravity-based structures16 Jun 2026US 12,656,058 B2Publichnoe Aktsionernoe Obshchestvo "NOVATEK"
- Apparatus and systems for liquefaction of natural gas2 Jun 2026US 12,644,643 B2Steelhead Lng (Aslng) Ltd.
- Standalone high-pressure heavies removal unit for LNG processing26 May 2026US 12,638,236 B2ConocoPhillips Company
- Method and arrangement for separating carbon dioxide from a feed stream containing carbon dioxide28 Apr 2026US 12,611,626 B2Linde Aktiengesellschaft
- Systems and methods for efficient heavy hydrocarbons removal27 Aug 2026US 2026/0251389 A1ConocoPhillips Company
- Nitrogen management in an lng plant6 Aug 2026US 2026/0227121 A1ConocoPhillips Company
- Method and system for y-grade upgrader30 Jul 2026US 2026/0218980 A1Energy Transformed, Inc.
- Apparatus and method for harnessing energy from a wellbore to perform multiple functions while reducing emissions4 Jun 2026US 2026/0153020 A1CNX Resources Corporation
- Nitrogen Rejection Unit with Mixed Refrigerant Cooling System and Method28 May 2026US 2026/0146785 A1
Most cited
By later US patents
- LNG production using dual independent expander refrigeration cycles149US 6,412,302 B1ABB Lummus Global, Inc. - Randall Division · 2002
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Distillative separations of gas mixtures containing methane, carbon dioxide and other components129US 4,462,814 AKoch Process Systems, Inc. · 1984
- 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