G21F 9/06
Processing
Official title: Processing (separating different isotopes of the same chemical element B01D59/00)
G21F9/06 (Processing) appears on 1,183 US grants and 704 published applications in this corpus.
Search patents in G21F- Granted patents
- 1,183
- Published applications
- 704
- Assignees
- 639
- Inventors
- 2,783
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 23 | 0 |
| 1978 | 17 | 0 |
| 1979 | 15 | 0 |
| 1980 | 22 | 0 |
| 1981 | 29 | 0 |
| 1982 | 16 | 0 |
| 1983 | 21 | 0 |
| 1984 | 35 | 0 |
| 1985 | 19 | 0 |
| 1986 | 23 | 0 |
| 1987 | 32 | 0 |
| 1988 | 23 | 0 |
| 1989 | 33 | 0 |
| 1990 | 35 | 0 |
| 1991 | 19 | 0 |
| 1992 | 29 | 0 |
| 1993 | 21 | 0 |
| 1994 | 24 | 0 |
| 1995 | 23 | 0 |
| 1996 | 26 | 0 |
| 1997 | 38 | 0 |
| 1998 | 30 | 0 |
| 1999 | 35 | 0 |
| 2000 | 23 | 0 |
| 2001 | 25 | 6 |
| 2002 | 22 | 13 |
| 2003 | 13 | 12 |
| 2004 | 13 | 18 |
| 2005 | 8 | 5 |
| 2006 | 19 | 17 |
| 2007 | 6 | 17 |
| 2008 | 5 | 20 |
| 2009 | 11 | 27 |
| 2010 | 25 | 26 |
| 2011 | 14 | 26 |
| 2012 | 16 | 34 |
| 2013 | 27 | 29 |
| 2014 | 31 | 41 |
| 2015 | 30 | 47 |
| 2016 | 35 | 46 |
| 2017 | 29 | 44 |
| 2018 | 31 | 39 |
| 2019 | 34 | 45 |
| 2020 | 37 | 29 |
| 2021 | 23 | 32 |
| 2022 | 29 | 33 |
| 2023 | 18 | 31 |
| 2024 | 19 | 28 |
| 2025 | 22 | 22 |
| 2026 | 15 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- UV reaction apparatus for treating waste liquid caused by system decontamination in nuclear power plant18 Aug 2026US 12,709,556 B2Korea Hydro & Nuclear Power Co., Ltd.
- Layered absorbent substrate incorporating activated carbon and superabsorbent materials7 Jul 2026US 12,673,229 B2Star Liberty LLC
- Methods of use and manufacture of silver-doped, nano-porous hydroxyapatite9 Jun 2026US 12,649,143 B2Mo-Sci Corporation
- Granulated adsorbent and process of producing the same2 Jun 2026US 12,643,090 B2FUSO Corporation
- Method for solidifying radioactive waste comprising boron, and solid radioactive waste formed thereby21 Apr 2026US 12,609,211 B2Postech Research and Business Development Foundation
- Stepwise Chemical Separation Methods and Systems Using Resin Packed Columns20 Aug 2026US 2026/0245761 A1SHINE Technologies, LLC
- Method for stabilizing and immobilizing uranium at source via formation of mineral film mediated by microorganisms13 Aug 2026US 2026/0237533 A1
- Supply device for supplying liquid waste to low-temperature melting furnace, and supply method using same23 Jul 2026US 2026/0210635 A1Korea Hydro & Nuclear Power Co., Ltd.
- Liquid radioactive waste input system25 Jun 2026US 2026/0179801 A1Korea Hydro & Nuclear Power Co., Ltd.
- Method for integrated treatment of radioactive liquid waste generated during decommissioning of nuclear power plant18 Jun 2026US 2026/0171277 A1LCGen Co., Ltd.
Most cited
By later US patents
- Apparatus for filtration of a suspension116US 4,540,490 AJgc Corporation · 1985
- Method for treating mixed radioactive waste111US 5,745,861 AMolten Metal Technology, Inc. · 1998
- Method and apparatus for hydraulic embedment of waste in subterranean formations85US 5,318,382 A1994
- Supercritical fluid extraction80US 5,356,538 AIdaho Research Foundation, Inc. · 1994
- Extraction of metals using supercritical fluid and chelate forming legand71US 5,730,874 AIdaho Research Foundation, Inc. · 1998