F25J 3/0635
Separation of cnhm with 1 carbon atom or more
Official title: {separation of CnHm with 1 carbon atom or more}
F25J3/0635 (Separation of cnhm with 1 carbon atom or more) appears on 147 US grants and 164 published applications in this corpus.
Search patents in F25J- Granted patents
- 147
- Published applications
- 164
- Assignees
- 93
- Inventors
- 381
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 3 |
| 2007 | 1 | 5 |
| 2008 | 3 | 2 |
| 2009 | 1 | 7 |
| 2010 | 1 | 8 |
| 2011 | 0 | 10 |
| 2012 | 2 | 13 |
| 2013 | 5 | 7 |
| 2014 | 4 | 6 |
| 2015 | 7 | 17 |
| 2016 | 2 | 8 |
| 2017 | 12 | 5 |
| 2018 | 10 | 15 |
| 2019 | 7 | 6 |
| 2020 | 10 | 13 |
| 2021 | 3 | 4 |
| 2022 | 6 | 7 |
| 2023 | 4 | 7 |
| 2024 | 4 | 5 |
| 2025 | 5 | 2 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for efficient hydrogen compression11 Aug 2026US 12,704,116 B2Nuovo Pignone Tecnologie Srl
- Method and arrangement for separating carbon dioxide from a feed stream containing carbon dioxide28 Apr 2026US 12,611,626 B2Linde Aktiengesellschaft
- Enhanced hydrogen recovery utilizing gas separation membranes integrated with pressure swing adsorption unit and/or cryogenic separation system31 Mar 2026US 12,589,994 B2Lummus Technology Inc.
- Removing heavy hydrocarbons to prevent defrost shutdowns in LNG plants31 Mar 2026US 12,590,759 B2Cheniere Energy, Inc.
- Process and apparatus for heavy hydrocarbon removal from lean natural gas before liquefaction10 Mar 2026US 12,571,585 B2Lummus Technology Inc.
- Method and installation for the production of a liquefied cryogenic fluid9 Apr 2026US 2026/0098682 A1L'Air Liquide, Société Anonyme pour |'Etude et |'Exploitation des Procédés Georges Claude
- Liquefaction of natural gas feeds containing hydrogen5 Mar 2026US 2026/0063359 A1Honeywell Lng LLC
- Containerized Gas Processing System with Evacuated Processing Compartment19 Feb 2026US 2026/0049763 A1
- Method and system for efficient hydrogen compression15 Jan 2026US 2026/0015996 A1Nuovo Pignone Tecnologie Srl
- Plant and process for separating hydrogen from natural gas24 Jul 2025US 2025/0236803 A1
Most cited
By later US patents
- Process for solids waste landfill gas treatment and separation of methane and carbon dioxide95US 5,642,630 A1997
- Membrane-augmented power generation94US 6,035,641 AMembane Technology and Research, Inc. · 2000
- Removal of carbon dioxide from a feed stream by carbon dioxide solids separation89US 5,819,555 A1998
- Integrated processing of natural gas into liquid products87US 6,743,829 B2BP Corporation North America Inc. · 2004
- Integrated processing of natural gas into liquid products84US 7,168,265 B2BP Corporation North America Inc. · 2007