B01D 59/33
Involving dual temperature exchange
Official title: involving dual temperature exchange
B01D59/33 (Involving dual temperature exchange) appears on 7 US grants and 2 published applications in this corpus.
Search patents in B01D- Granted patents
- 7
- Published applications
- 2
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 19 Oct 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for tritium removal from water by transfer of tritium from water to an elemental hydrogen stream, followed by membrane diffusion tritium stripping and enrichment, and final tritium enrichment by thermal diffusion19 Oct 2010US 7,815,890 B2Special Separations Application, Inc.
- Heavy water production process and apparatus22 Feb 2005US 6,858,190 B2Atomic Energy of Canada Limited
- Improvements in enrichment systems for isotopes of hydrogen and/or oxygen29 Nov 1988US 4,788,051 ADeuterium Corporation
- Process for separating and recovering hydrogen isotope24 Apr 1984US 4,444,737 AHitachi, Ltd.
- Isotope enrichment systems9 Sep 1980US 4,221,774 ADeuterium Corporation
- Process for tritium removal from water by transfer of tritium from water to an elemental hydrogen stream, followed by membrane diffusion tritium stripping and enrichment, and final tritium enrichment by thermal diffusion23 Sep 2010US 2010/0239481 A1Special Separations Application, Inc.
- Heavy water production process and apparatus3 Oct 2002US 2002/0141916 A1Atomic Energy of Canada Limited
Most cited
By later US patents
- Evaporation condensation systems6US 4,112,062 ADeuterium Corporation · 1978
- Process for separating and recovering hydrogen isotope6US 4,444,737 AHitachi, Ltd. · 1984
- Process for tritium removal from water by transfer of tritium from water to an elemental hydrogen stream, followed by membrane diffusion tritium stripping and enrichment, and final tritium enrichment by thermal diffusion6US 7,815,890 B2Special Separations Application, Inc. · 2010
- Isotope enrichment systems5US 4,221,774 ADeuterium Corporation · 1980
- Dual temperature exchange systems4US 4,192,850 ADeuterium Corporation · 1980