B01D 59/02
Separation by phase transition
B01D59/02 (Separation by phase transition) appears on 55 US grants and 57 published applications in this corpus.
Search patents in B01D- Granted patents
- 55
- Published applications
- 57
- Assignees
- 35
- Inventors
- 96
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 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 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 4 |
| 2006 | 0 | 1 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 7 |
| 2010 | 1 | 2 |
| 2011 | 4 | 0 |
| 2012 | 1 | 2 |
| 2013 | 2 | 3 |
| 2014 | 3 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 4 |
| 2021 | 1 | 3 |
| 2022 | 3 | 3 |
| 2023 | 3 | 6 |
| 2024 | 2 | 3 |
| 2025 | 6 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Purification system for nitrogen gas and xenon gas in water and isotope static analysis method thereof3 Mar 2026US 12,566,154 B2Institute of Geology and Geophysics, Chinese Academy of Sciences
- Particle repelling arrangement25 Nov 2025US 12,478,980 B1Lunar Helium-3 Mining, LLC
- Electrostatic filtration arrangement7 Oct 2025US 12,434,251 B1Lunar Helium-3 Mining, LLC
- Progressively chilled gas separation tanks2 Sep 2025US 12,405,056 B1Lunar Helium-3 Mining, LLC
- Stable isotope concentrating device12 Aug 2025US 12,383,864 B2Taiyo Nippon Sanso Corporation
- Distillation device and distillation method11 Jun 2026US 2026/0158411 A1Taiyo Nippon Sanso Corporation
- Gas collection chamber with adsorber26 Feb 2026US 2026/0054270 A1Lunar Helium-3 Mining, LLC
- Isotope separation system with a split crucible collection assembly8 Jan 2026US 2026/0008013 A1SHINE Technologies, LLC
- Apparatus for Production of Lead-212 Isotope18 Sep 2025US 2025/0292927 A1
- Oxygen isotope concentration method and oxygen isotope concentration apparatus3 Jul 2025US 2025/0214039 A1Taiyo Nippon Sanso Corporation
Most cited
By later US patents
- Packing element for an exchange column128US 4,296,050 ASulzer Brothers Limited · 1981
- Device for isotope separation by ion cyclotron resonance55US 5,422,481 A1995
- Method for enrichment of heavy component of oxygen isotopes19US 6,461,583 B1Nippon Sanso Corporation · 2002
- 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