G21F 9/002
Decontamination of the surface of objects with chemical or electrochemical processes
Official title: {Decontamination of the surface of objects with chemical or electrochemical processes}
G21F9/002 (Decontamination of the surface of objects with chemical or electrochemical processes) appears on 213 US grants and 123 published applications in this corpus.
Search patents in G21F- Granted patents
- 213
- Published applications
- 123
- Assignees
- 117
- Inventors
- 450
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 15 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 14 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 4 |
| 2003 | 5 | 3 |
| 2004 | 3 | 6 |
| 2005 | 3 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 1 | 5 |
| 2010 | 5 | 6 |
| 2011 | 2 | 6 |
| 2012 | 2 | 2 |
| 2013 | 4 | 6 |
| 2014 | 6 | 12 |
| 2015 | 3 | 9 |
| 2016 | 7 | 6 |
| 2017 | 3 | 3 |
| 2018 | 4 | 5 |
| 2019 | 6 | 6 |
| 2020 | 5 | 9 |
| 2021 | 4 | 11 |
| 2022 | 12 | 4 |
| 2023 | 3 | 3 |
| 2024 | 2 | 7 |
| 2025 | 4 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chemical decontamination method and chemical decontamination apparatus16 Jun 2026US 12,658,333 B2Hitachi GE Vernova Nuclear Energy, Ltd.
- Methods for recycling metals from the nuclear industry24 Feb 2026US 12,562,291 B2
- Apparatus and method25 Nov 2025US 12,482,577 B2Lead Technologies, Inc.
- Nuclear dismantling apparatus and method20 May 2025US 12,308,131 B2Ats Corporation
- Chemical decontamination method and chemical decontamination apparatus22 Apr 2025US 12,283,386 B2Hitachi-GE Nuclear Energy, Ltd.
- Method and apparatus for removing radionuclides from radioactive metal waste30 Apr 2026US 2026/0120906 A1Doosan Enerbility Co., Ltd.
- Methods for Recycling Metals from the Nuclear Industry21 Aug 2025US 2025/0266180 A1EnergySolutions, LLC
- Method for treating surfaces or gaseous media using a ferromagnetic gel19 Sep 2024US 2024/0307844 A1
- Self-contained device for generating a viscous foam29 Aug 2024US 2024/0286093 A1
- Self-contained foam-generating device with built-in breathing apparatus27 Jun 2024US 2024/0207662 A1Aryballe
Most cited
By later US patents
- Effective dry etching process of actinide oxides and their mixed oxides in CF4/O2/N2 plasma76US 6,699,398 B1Hanyang Hak Won Co., Ltd. · 2004
- Method for removing alkaline sulfate scale58US 4,980,077 AMobil Oil Corporation · 1990
- Method for removing scale and radioactive material from earth35US 4,973,201 AMobil Oil Corporation · 1990
- Process for decontamination of radioactive materials35US 5,322,644 ABradtec-US, Inc. · 1994
- Method for removing scale via a liquid membrane in combination with an amino carboxylic acid and a catalyst33US 5,190,656 AMobil Oil Corporation · 1993