F25J 1/0022
Hydrocarbons
Official title: {Hydrocarbons, e.g. natural gas}
F25J1/0022 (Hydrocarbons) appears on 983 US grants and 1,306 published applications in this corpus.
Search patents in F25J- Granted patents
- 983
- Published applications
- 1,306
- Assignees
- 378
- Inventors
- 1,829
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 18 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 3 |
| 2002 | 24 | 4 |
| 2003 | 19 | 16 |
| 2004 | 16 | 26 |
| 2005 | 13 | 23 |
| 2006 | 17 | 32 |
| 2007 | 21 | 26 |
| 2008 | 12 | 33 |
| 2009 | 23 | 51 |
| 2010 | 6 | 67 |
| 2011 | 7 | 42 |
| 2012 | 11 | 40 |
| 2013 | 20 | 57 |
| 2014 | 23 | 55 |
| 2015 | 14 | 85 |
| 2016 | 28 | 62 |
| 2017 | 60 | 83 |
| 2018 | 50 | 92 |
| 2019 | 58 | 98 |
| 2020 | 76 | 72 |
| 2021 | 45 | 61 |
| 2022 | 64 | 83 |
| 2023 | 57 | 62 |
| 2024 | 66 | 56 |
| 2025 | 30 | 46 |
| 2026 | 29 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Single mixed refrigerant LNG production process22 Sep 2026US 12,742,588 B2Honeywell Lng LLC
- Closed loop LNG process for a feed gas with nitrogen22 Sep 2026US 12,742,589 B2ConocoPhillips Company
- System and method for co-production of a densified liquid oxygen product and densified liquid methane product15 Sep 2026US 12,736,280 B2Praxair Technology, Inc.
- 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
- Methods and systems for efficient pressurized liquefied natural gas (plng) production, delivery, and use across mobile and stationary applications8 Oct 2026US 2026/0309409 A1Cryosys, LLC
- Method for liquefying a gas1 Oct 2026US 2026/0298530 A1
- A method of and apparatus for reliquefying of boil-off gas stream obtained from liquefied gas in a gas storage of a floating storage unit24 Sep 2026US 2026/0287251 A1WäRtsilä Gas Solutions Norway AS
- Turbomachine27 Aug 2026US 2026/0251078 A1Kawasaki Jukogyo Kabushiki Kaisha
- Assembly for storing a liquefied cryogenic fluid, vehicle and method27 Aug 2026US 2026/0251269 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
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
- 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
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999