F25J 3/04103
Using solely hydrostatic liquid head
Official title: {using solely hydrostatic liquid head}
F25J3/04103 (Using solely hydrostatic liquid head) appears on 72 US grants and 24 published applications in this corpus.
Search patents in F25J- Granted patents
- 72
- Published applications
- 24
- Assignees
- 18
- Inventors
- 93
- Latest grant
- 13 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 5 |
| 2018 | 6 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for starting up a cryogenic air separation unit and associated air separation unit13 Aug 2024US 12,061,045 B2L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Single packaged air separation apparatus with reverse main heat exchanger25 Jul 2023US 11,709,018 B2L'Air Liquide Societe Anonyme Pour l'Etude et l'Expoitation des Procedes Georges Claude
- Method for obtaining an air product in an air separating system with temporary storage, and air separating system14 Jan 2020US 10,533,795 B2Linde Aktiengesellschaft
- Method and device for the cryogenic decomposition of air15 Oct 2019US 10,443,931 B2Linde Aktiengesellschaft
- Method ad apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption4 Dec 2018US 10,145,609 B2Praxair Technology, Inc.
- Low-pressure nitrogen turbine with air booster parallel to the booster air compressor6 Apr 2023US 2023/0103843 A1L' Air Liquide, Societe Anonyme pour I' Etude et I'Exploitation des Procedes Georges Claude
- Method for starting up a cryogenic air separation unit and associated air separation unit10 Mar 2022US 2022/0074657 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Single packaged air separation apparatus with reverse main heat exchanger4 Mar 2021US 2021/0063085 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Method ad apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption11 Oct 2018US 2018/0292130 A1Praxair Technology, Inc.
- Method and apparatus for argon rejection and recovery2 Feb 2017US 2017/0030638 A1Praxair Technology, Inc.
Most cited
By later US patents
- Cryogenic hybrid system for producing high purity argon37US 5,730,003 APraxair Technology, Inc. · 1998
- Air separation process for the production of oxygen-rich and nitrogen-rich products34US 4,936,099 AAir Products and Chemicals, Inc. · 1990
- Cryogenic air separation system with liquid air stripping32US 5,440,884 APraxair Technology, Inc. · 1995
- Increased argon recovery from air distillation29US 4,670,031 A1987
- High pressure oxygen pumped LOX rectifier24US 4,604,116 A1986