F25J 2215/34
Krypton
F25J2215/34 (Krypton) appears on 34 US grants and 14 published applications in this corpus.
Search patents in F25J- Granted patents
- 34
- Published applications
- 14
- Assignees
- 20
- Inventors
- 74
- Latest grant
- 1 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 2 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Fluid recovery process and apparatus for xenon and or krypton recovery1 Oct 2024US 12,104,850 B2Air Products and Chemicals, Inc.
- Collecting and recycling rare gases in semiconductor processing equipment17 Jan 2023US 11,557,462 B2KLA Corporation
- System and method for rare gas recovery4 May 2021US 10,995,982 B2Praxair Technology, Inc.
- System and method for recovery of non-condensable gases such as neon, helium, xenon, and krypton from an air separation unit21 May 2019US 10,295,254 B2Praxair Technology, Inc.
- Method and apparatus for purifying and separating a heavy component concentrate along with obtaining light gas isotopes13 Sep 2011US 8,016,981 B2
- Krypton recovery and purification from customer processing7 Dec 2023US 2023/0392862 A1
- Fluid recovery process and apparatus for xenon and or krypton recovery10 Nov 2022US 2022/0357104 A1Air Products and Chemicals, Inc.
- Collecting and recycling rare gases in semiconductor processing equipment17 Sep 2020US 2020/0294774 A1KLA Corporation
- System and method for recovery of non-condensable gases such as neon, helium, xenon, and krypton from an air separation unit7 Mar 2019US 2019/0072326 A1Praxair Technology, Inc.
- System and method for rare gas recovery3 Jan 2019US 2019/0003766 A1Praxair Technology, Inc.
Most cited
By later US patents
- Integrated air separation process103US 6,282,901 B1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude · 2001
- Integrated air separation and power generation process95US 6,745,573 B2American Air Liquide, Inc. · 2004
- Gas separation process63US 4,417,909 AAirco, Inc. · 1983
- Apparatus for controlling the composition of a laser gas or gas mixture62US 5,090,020 ABritish Aerospace Public Limited Company · 1992
- Processes for decontaminating nuclear process off-gas streams36US 4,270,938 AAirco, Inc. · 1981