F25J 3/042
Having an intermediate feed connection
Official title: {having an intermediate feed connection}
F25J3/042 (Having an intermediate feed connection) appears on 89 US grants and 40 published applications in this corpus.
Search patents in F25J- Granted patents
- 89
- Published applications
- 40
- Assignees
- 18
- Inventors
- 83
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 4 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 3 |
| 2015 | 0 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 5 |
| 2018 | 2 | 1 |
| 2019 | 5 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for obtaining one or more air products, and air separation unit14 Jan 2025US 12,196,488 B2Linde Aktiengesellschaft
- Method for cryogenic separation of air, and air separation plant14 Mar 2023US 11,602,713 B2Linde Aktiengesellschaft
- Nitrogen production method and nitrogen production apparatus7 Jun 2022US 11,353,262 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method and apparatus for obtaining a compressed gas product by cryogenic separation of air4 May 2021US 10,995,983 B2Linde Aktiengesellschaft
- Method for the cryogenic separation of air and air separation plant19 Nov 2019US 10,480,853 B2Linde Aktiengesellschaft
- Method for separating air by cryogenic distillation11 Jul 2024US 2024/0230222 A9L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method for separating air by cryogenic distillation25 Apr 2024US 2024/0133624 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and plant for cryogenic separation of air4 Jan 2024US 2024/0003620 A1Linde Aktiengesellschaft
- Method for obtaining one or more air products, and air separation unit9 Dec 2021US 2021/0381762 A1Linde Aktiengesellschaft
- Method for cryogenic separation of air, and air separation plant24 Oct 2019US 2019/0321772 A1Linde Aktiengesellschaft
Most cited
By later US patents
- Process for recovering hydrogen from a multi-component gas stream113US 4,654,063 AAir Products and Chemicals, Inc. · 1987
- Process for the generation of gaseous and/or liquid nitrogen49US 4,595,405 AAir Products and Chemicals, Inc. · 1986
- Tonnage nitrogen generator38US 4,222,756 AAir Products and Chemicals, Inc. · 1980
- Cycle to produce low purity oxygen35US 4,704,148 AAir Products and Chemicals, Inc. · 1987
- Nitrogen generator cycle30US 4,400,188 AAir Products and Chemicals, Inc. · 1983