G21F 9/10
By flocculation
Official title: by flocculation
G21F9/10 (By flocculation) appears on 74 US grants and 33 published applications in this corpus.
Search patents in G21F- Granted patents
- 74
- Published applications
- 33
- Assignees
- 62
- Inventors
- 214
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 1 | 3 |
| 2015 | 2 | 4 |
| 2016 | 4 | 2 |
| 2017 | 3 | 5 |
| 2018 | 1 | 0 |
| 2019 | 1 | 4 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the removal of radionuclides from aqueous radioactive waste17 Feb 2026US 12,555,697 B2Dept of Atomic Energy Government of India
- Ultrafine bubble cleaning method using ultrafine bubble-containing liquid, apparatus therefor, and dissolved air floatation apparatus26 Apr 2022US 11,311,921 B2Pcs Co., Ltd.
- Method for collecting uranium by treatment process of washing waste liquid generated in uranium hexafluoride cylinder washing process29 Mar 2022US 11,289,233 B2Kepco Nuclear Fuel Co., Ltd.
- Devices systems and methods for conserving resources by treating liquids with electromagnetic fields28 Dec 2021US 11,208,337 B2Reverse Ionizer Systems, LLC
- Devices, systems and methods for treatment of liquids with electromagnetic fields22 Sep 2020US 10,781,116 B2Reverse Ionizer Systems, LLC
- Method for integrated treatment of radioactive liquid waste generated during decommissioning of nuclear power plant18 Jun 2026US 2026/0171277 A1LCGen Co., Ltd.
- Plasma electroerosion reactor and the method of its use23 Jan 2025US 2025/0026670 A1"Alpha Atom" LLC
- Method for treating to-be-treated water containing tritiated water and light water9 Jan 2025US 2025/0014770 A1ImageONE Co., Ltd.
- Method for the removal of radionuclides from aqueous radioactive waste20 Jul 2023US 2023/0230717 A1Department of Atomic Energy, Government of India
- Method for collecting uranium by treatment process of washing waste liquid generated in uranium hexafluoride cylinder washing process3 Mar 2022US 2022/0068516 A1Kepco Nuclear Fuel Co., Ltd.
Most cited
By later US patents
- Removal of heavy metals and heavy metal radioactive isotopes from liquids32US 4,800,024 AIso-Clear Systems Corporation · 1989
- Waste treatment process for removal of contaminants from aqueous, mixed-waste solutions using sequential chemical treatment and crossflow microfiltration, followed by dewatering30US 5,366,634 AThe United States of America as represented by the United States Department of Energy · 1994
- Separation of solids from aqueous suspensions using modified amine functional polymers23US 5,185,083 AAir Products and Chemicals, Inc. · 1993
- Recovery of EDTA from steam generator cleaning solutions23US 5,225,087 AWestinghouse Electric Corp. · 1993
- Radioactive waste water treatment22US 4,800,042 AJgc Corporation · 1989