F25J 2220/90
Separating isotopes of a component
Official title: Separating isotopes of a component, e.g. H2, O2
F25J2220/90 (Separating isotopes of a component) appears on 22 US grants and 16 published applications in this corpus.
Search patents in F25J- Granted patents
- 22
- Published applications
- 16
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Stable isotope concentration method26 Nov 2024US 12,151,208 B2Taiyo Nippon Sanso Corporation
- Method and apparatus for separation of 13C16O from natural CO4 Apr 2023US 11,617,986 B2Linde Aktiengesellschaft
- High length isotopes separation column and method for assembly2 Aug 2022US 11,400,415 B2
- Distillation device24 Nov 2015US 9,194,623 B2Taiyo Nippon Sanso Corporation
- Assembly for separating gas mixtures in fractionating columns27 Oct 2015US 9,168,467 B1
- Oxygen isotope concentration method and oxygen isotope concentration apparatus3 Jul 2025US 2025/0214039 A1Taiyo Nippon Sanso Corporation
- Method and apparatus for separation of helium-3 from helium-4 by means of a cryogenic process8 Aug 2024US 2024/0261731 A1Linde Aktiengesellschaft
- Carbon stable isotope enrichment method28 Sep 2023US 2023/0302407 A1Taiyo Nippon Sanso Corporation
- Stable isotope concentration method6 Apr 2023US 2023/0104429 A1Taiyo Nippon Sanso Corporation
- Method and apparatus for separation of 13c16o from natural co24 Feb 2022US 2022/0054980 A1Linde Aktiengesellschaft
Most cited
By later US patents
- Method and apparatus for the production of heavy oxygen water18US 6,321,565 B1Nippon Sanso Corporation · 2001
- Apparatus, method for enrichment of the heavy isotope oxygen and production method for heavy oxygen water15US 6,835,287 B1Nippon Sanso Corporation · 2004
- Distillation apparatus12US 7,922,872 B2Taiyo Nippon Sanso Corporation · 2011
- Distillation device12US 9,194,623 B2Taiyo Nippon Sanso Corporation · 2015
- Producing carbon-14 isotope from spent resin waste8US 5,286,468 AOntario Hydro · 1994