G21F 9/30
Processing
Official title: Processing (separating different isotopes of the same chemical element B01D59/00)
G21F9/30 (Processing) appears on 836 US grants and 495 published applications in this corpus.
Search patents in G21F- Granted patents
- 836
- Published applications
- 495
- Assignees
- 435
- Inventors
- 1,894
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 12 | 0 |
| 1981 | 16 | 0 |
| 1982 | 16 | 0 |
| 1983 | 16 | 0 |
| 1984 | 17 | 0 |
| 1985 | 17 | 0 |
| 1986 | 24 | 0 |
| 1987 | 28 | 0 |
| 1988 | 18 | 0 |
| 1989 | 24 | 0 |
| 1990 | 21 | 0 |
| 1991 | 12 | 0 |
| 1992 | 17 | 0 |
| 1993 | 16 | 0 |
| 1994 | 19 | 0 |
| 1995 | 18 | 0 |
| 1996 | 26 | 0 |
| 1997 | 27 | 0 |
| 1998 | 32 | 0 |
| 1999 | 24 | 0 |
| 2000 | 23 | 0 |
| 2001 | 21 | 2 |
| 2002 | 16 | 12 |
| 2003 | 11 | 7 |
| 2004 | 7 | 13 |
| 2005 | 3 | 12 |
| 2006 | 14 | 14 |
| 2007 | 7 | 8 |
| 2008 | 7 | 18 |
| 2009 | 6 | 8 |
| 2010 | 11 | 17 |
| 2011 | 5 | 20 |
| 2012 | 11 | 15 |
| 2013 | 16 | 37 |
| 2014 | 23 | 34 |
| 2015 | 35 | 42 |
| 2016 | 30 | 28 |
| 2017 | 25 | 17 |
| 2018 | 21 | 29 |
| 2019 | 17 | 21 |
| 2020 | 19 | 17 |
| 2021 | 14 | 30 |
| 2022 | 22 | 23 |
| 2023 | 13 | 12 |
| 2024 | 8 | 25 |
| 2025 | 13 | 14 |
| 2026 | 10 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and devices for radioactive waste solidification28 Jul 2026US 12,694,999 B1AVANTech, Inc.
- Uranium hexafluoride byproducts and/or materials disposal23 Jun 2026US 12,665,100 B2
- Constructing method for delaying corrosion of radioactive waste disposal container in concrete disposal vault19 May 2026US 12,633,430 B2Korea Radioactive Waste Agency
- Method for solidifying radioactive waste comprising boron, and solid radioactive waste formed thereby21 Apr 2026US 12,609,211 B2Postech Research and Business Development Foundation
- Method for dehalogenation and vitrification of radioactive metal halide wastes14 Apr 2026US 12,603,188 B2Wuhan University of Technology
- Methods and devices for radioactive waste solidification8 Oct 2026US 2026/0311904 A1AVANTech, Inc.
- Enhanced oxidative decladding technology for recovery of used nuclear fuel24 Sep 2026US 2026/0290639 A1Curio Solutions LLC
- Methods of forming radioactive articles and related radioactive articles10 Sep 2026US 2026/0269096 A1Battelle Energy Alliance, LLC
- Apparatus for classifying radioactive waste, and system for classifying nuclear facility dismantlement waste comprising same27 Aug 2026US 2026/0251808 A1Bns Co., Ltd.
- Radioactive waste supply apparatus27 Aug 2026US 2026/0253757 A1Korea Hydro & Nuclear Power Co., Ltd.
Most cited
By later US patents
- Method of handling radioactive alkali metal waste490US 4,234,449 AThe United States of America as represented by the United States Department of Energy · 1980
- Glass microspheres190US 4,789,501 AThe Curators of the University of Missouri · 1988
- Method for treating mixed radioactive waste111US 5,745,861 AMolten Metal Technology, Inc. · 1998
- Method for producing halogenated products from metal halide feeds109US 5,717,149 AMolten Metal Technology, Inc. · 1998
- Formation grouting method and composition useful therefor101US 5,106,423 AGeochemical Corporation · 1992