F25J 1/0294
Multiple compressor casings/strings in parallel
Official title: {Multiple compressor casings/strings in parallel, e.g. split arrangement}
F25J1/0294 (Multiple compressor casings/strings in parallel) appears on 109 US grants and 150 published applications in this corpus.
Search patents in F25J- Granted patents
- 109
- Published applications
- 150
- Assignees
- 65
- Inventors
- 332
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 1 |
| 2003 | 6 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 2 |
| 2009 | 0 | 5 |
| 2010 | 0 | 10 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 4 | 8 |
| 2014 | 3 | 4 |
| 2015 | 2 | 1 |
| 2016 | 3 | 6 |
| 2017 | 6 | 6 |
| 2018 | 4 | 23 |
| 2019 | 7 | 11 |
| 2020 | 16 | 5 |
| 2021 | 4 | 3 |
| 2022 | 5 | 15 |
| 2023 | 2 | 8 |
| 2024 | 7 | 11 |
| 2025 | 5 | 6 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single mixed refrigerant LNG production process22 Sep 2026US 12,742,588 B2Honeywell Lng LLC
- Systems and processes for stationary and mobile natural gas liquefaction26 May 2026US 12,638,237 B2NuBlu Innovations, LLC
- Device and method for liquefying a fluid such as hydrogen and/or helium14 Apr 2026US 12,601,539 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- 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
- Device and method for liquefying a fluid such as hydrogen and/or helium6 Jan 2026US 12,516,878 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
- Cryogenic type boil-off gas reliquefaction system20 Aug 2026US 2026/0243505 A1Shanghai Marine Diesel Engine Research Institute
- Compressor-Energized Refrigerant Isolation Valves28 May 2026US 2026/0146788 A1
- Liquefaction of natural gas feeds containing hydrogen5 Mar 2026US 2026/0063359 A1Honeywell Lng LLC
- Semi-open loop liquefaction process19 Feb 2026US 2026/0049762 A1Honeywell Lng LLC
Most cited
By later US patents
- Enhanced NGL recovery utilizing refrigeration and reflux from LNG plants112US 6,401,486 B12002
- Use of a turboexpander cycle in liquefied natural gas process83US 5,755,114 AABB Randall Corporation · 1998
- Efficiency improvement of open-cycle cascaded refrigeration process64US 5,669,234 APhillips Petroleum Company · 1997
- Method for liquefying natural gas59US 5,363,655 AChiyoda Corporation · 1994
- Liquefaction apparatus50US 6,250,244 B1BHP Petroleum Pty Ltd. · 2001