F25J 1/0247
Start-up of the process
Official title: {start-up of the process}
F25J1/0247 (Start-up of the process) appears on 55 US grants and 75 published applications in this corpus.
Search patents in F25J- Granted patents
- 55
- Published applications
- 75
- Assignees
- 43
- Inventors
- 171
- Latest grant
- 16 Jun 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 | 1 | 0 |
| 1984 | 0 | 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 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 4 |
| 2004 | 2 | 0 |
| 2005 | 4 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 3 | 4 |
| 2010 | 0 | 5 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 5 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 4 | 4 |
| 2018 | 1 | 4 |
| 2019 | 2 | 3 |
| 2020 | 4 | 6 |
| 2021 | 3 | 7 |
| 2022 | 0 | 2 |
| 2023 | 6 | 1 |
| 2024 | 6 | 8 |
| 2025 | 0 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cryogenic gas cooling system and method16 Jun 2026US 12,656,057 B2Chart Energy & Chemicals, Inc.
- Standalone high-pressure heavies removal unit for LNG processing26 May 2026US 12,638,236 B2ConocoPhillips Company
- Method for cooling a heat exchanger of a gas supply system for a gas-consuming apparatus of a ship31 Mar 2026US 12,590,757 B2Gaztransport Et Technigaz
- Method to control the cooldown of main heat exchangers in liquefied natural gas plant31 Dec 2024US 12,181,216 B2Honeywell Lng LLC
- Boil-off gas reliquefaction system and method of discharging lubricant oil from boil-off gas reliquefaction system15 Oct 2024US 12,117,131 B2Hanwha Ocean Co., Ltd.
- Magnetic refrigeration system and facility20 Aug 2026US 2026/0243477 A1Kawasaki Jukogyo Kabushiki Kaisha
- Hydrogen plant30 Jul 2026US 2026/0217529 A1Kawasaki Jukogyo Kabushiki Kaisha
- Apparatus and process for hydrogen recycling to avoid liquefier shutdown due to insufficient feed of hydrogen19 Feb 2026US 2026/0049761 A1Air Products and Chemicals, Inc.
- Leakage detection system of reliquefaction system for ship24 Jul 2025US 2025/0237430 A1Hanwha Ocean Co., Ltd.
- Purging system and method for boil-off gas reliquefaction apparatus for ship12 Dec 2024US 2024/0410648 A1Hanwha Ocean Co., Ltd.
Most cited
By later US patents
- Process for liquefying a natural gas stream containing at least one freezable component123US 5,956,971 AExxon Production Research Company · 1999
- Apparatus for the liquefaction of natural gas and methods relating to same62US 7,219,512 B1Battelle Energy Alliance, LLC · 2007
- Apparatus for the liquefaction of natural gas and methods relating to same45US 6,962,061 B2Battelle Energy Alliance, LLC · 2005
- Compressor drive system for a natural gas liquefaction plant having an electric motor generator to feed excess power to the main power source44US 5,689,141 AChiyoda Corporation · 1997
- Apparatus for the liquefaction of natural gas and methods related to same44US 6,581,409 B2Bechtel BWXT Idaho, LLC · 2003