F25J 1/0244
Operation
Official title: {Operation; Control and regulation; Instrumentation (F25J1/0279 takes precedence)}
F25J1/0244 (Operation) appears on 439 US grants and 649 published applications in this corpus.
Search patents in F25J- Granted patents
- 439
- Published applications
- 649
- Assignees
- 213
- Inventors
- 1,048
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 15 | 4 |
| 2002 | 6 | 2 |
| 2003 | 10 | 9 |
| 2004 | 8 | 6 |
| 2005 | 6 | 9 |
| 2006 | 4 | 12 |
| 2007 | 7 | 8 |
| 2008 | 4 | 14 |
| 2009 | 8 | 24 |
| 2010 | 5 | 28 |
| 2011 | 9 | 22 |
| 2012 | 4 | 25 |
| 2013 | 5 | 25 |
| 2014 | 11 | 35 |
| 2015 | 8 | 27 |
| 2016 | 13 | 24 |
| 2017 | 29 | 32 |
| 2018 | 17 | 49 |
| 2019 | 15 | 32 |
| 2020 | 35 | 35 |
| 2021 | 16 | 35 |
| 2022 | 20 | 36 |
| 2023 | 25 | 43 |
| 2024 | 37 | 45 |
| 2025 | 23 | 43 |
| 2026 | 27 | 25 |
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
- Method and a relative apparatus for producing liquified gases8 Sep 2026US 12,729,906 B2Fpt Industrial S.P.A.
- Power generation process utilizing fuel, liquid air and/or oxygen with zero CO2 emissions25 Aug 2026US 12,716,650 B2Saipem S.P.A.
- Method and system for producing a liquefied natural gas product18 Aug 2026US 12,710,225 B2Linde Aktiengesellschaft
- Installation and method for liquefying a cryogenic fluid18 Aug 2026US 12,710,227 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cycle gas refrigerator and liquefaction facility1 Oct 2026US 2026/0298529 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- 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
- Fluid liquefaction method and device27 Aug 2026US 2026/0251384 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Cryogenic liquefaction system and method27 Aug 2026US 2026/0251386 A1Nearshore Natural Gas, LLC
- Magnetic refrigeration system and facility20 Aug 2026US 2026/0243477 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Process for liquefaction of natural gas137US 6,023,942 AExxon Production Research Company · 2000
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator136US 5,979,440 ASeQual Technologies, Inc. · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator133US 6,698,423 B1SeQual Technologies, Inc. · 2004
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator101US 6,681,764 B1SeQual Technologies, Inc. · 2004