F25J 2235/06
Lifting of liquids by gas lift
Official title: Lifting of liquids by gas lift, e.g. "Mammutpumpe"
F25J2235/06 (Lifting of liquids by gas lift) appears on 10 US grants and 9 published applications in this corpus.
Search patents in F25J- Granted patents
- 10
- Published applications
- 9
- Assignees
- 7
- Inventors
- 23
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for transfer of liquid28 Nov 2023US 11,828,532 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Process and apparatus for the recovery of krypton and/or xenon1 Feb 2005US 6,848,269 B2Air Products and Chemicals, Inc.
- Process and apparatus for the recovery of krypton and/or xenon14 Dec 2004US 6,829,907 B2Air Products and Chemicals, Inc.
- Process and apparatus for the recovery of krypton and/or xenon24 Feb 2004US 6,694,775 B1Air Products and Chemicals, Inc.
- Process and apparatus for the low-temperature fractionation of air30 Oct 2001US 6,308,533 B1Linde Aktiengesellschaft
- Method and apparatus for transfer of liquid30 Jun 2022US 2022/0205715 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Use of Eductor for Liquid Disposal from Vessel8 Jun 2017US 2017/0160010 A1
- Purification of inert gases to remove trace impurities19 Jun 2014US 2014/0165648 A1Air Liquide Process & Construction, Inc.
- Purification of inert gases to remove trace impurities19 Jun 2014US 2014/0165649 A1Air Liquide Process & Construction, Inc.
- Air separation method and apparatus24 Jan 2013US 2013/0019634 A1
Most cited
By later US patents
- Process and apparatus for the recovery of krypton and/or xenon36US 6,694,775 B1Air Products and Chemicals, Inc. · 2004
- Vaporization-condensation apparatus for air distillation double column, and air distillation equipment including such apparatus22US 5,071,458 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1991
- Air separation process with improved reboiler liquid cleaning circuit3US 4,957,524 AUnion Carbide Corporation · 1990
- Multi-column system and method for producing pressurized liquid product3US 5,799,510 AThe BOC Group, Inc. · 1998
- Process and installation for the transfer of liquid2US 5,337,569 AL Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 1994