A62D 2101/43
Containing heavy metals, in the bonded or free state
Official title: containing heavy metals, in the bonded or free state
A62D2101/43 (Containing heavy metals, in the bonded or free state) appears on 308 US grants and 146 published applications in this corpus.
Search patents in A62D- Granted patents
- 308
- Published applications
- 146
- Assignees
- 194
- Inventors
- 564
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 25 | 0 |
| 1995 | 12 | 0 |
| 1996 | 18 | 0 |
| 1997 | 18 | 0 |
| 1998 | 25 | 0 |
| 1999 | 29 | 0 |
| 2000 | 20 | 0 |
| 2001 | 13 | 2 |
| 2002 | 9 | 9 |
| 2003 | 12 | 5 |
| 2004 | 5 | 16 |
| 2005 | 9 | 4 |
| 2006 | 2 | 10 |
| 2007 | 2 | 6 |
| 2008 | 3 | 8 |
| 2009 | 4 | 14 |
| 2010 | 5 | 9 |
| 2011 | 3 | 5 |
| 2012 | 5 | 6 |
| 2013 | 4 | 7 |
| 2014 | 6 | 3 |
| 2015 | 1 | 10 |
| 2016 | 2 | 1 |
| 2017 | 6 | 6 |
| 2018 | 2 | 5 |
| 2019 | 4 | 6 |
| 2020 | 5 | 3 |
| 2021 | 4 | 2 |
| 2022 | 4 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for treating solid hazardous heavy metal-containing compositions30 Dec 2025US 12,508,636 B2Yara International Asa
- Timber remediation26 Nov 2024US 12,151,133 B2Treated Timber Remediation Pty. Ltd
- Astexin peptides22 Aug 2023US 11,732,013 B2The Trustees of Princeton University
- Method and reagent system for remediating mine waste and other solid waste contaminated with heavy metals27 Dec 2022US 11,535,516 B2HMR Solutions, Inc.
- Adsorbent and photocatalytic decontamination gel, and method for decontaminating surfaces using said gel6 Dec 2022US 11,517,640 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Process for Treating Mercury Contaminated Waste for Landfill Disposal17 Sep 2026US 2026/0273323 A1Veolia ES Technical Solutions L.L.C.
- Halogen decontamination from metal-containing materials using chemical modification5 Mar 2026US 2026/0061243 A1Tokyo Electron Limited
- Making elemental mercury amenable to underground injection11 Dec 2025US 2025/0375647 A1VLS Environmental Solutions, LLC
- Mercury treatment and encapsulation process17 Apr 2025US 2025/0121241 A1Perma-Fix Environmental Services, Inc.
- Heavy metal treatment agent, and method for treating incinerated ash and wastewater using same29 Aug 2024US 2024/0286937 A1Miyoshi Oil & Fat Co., Ltd.
Most cited
By later US patents
- Method for indirect chemical reduction of metals in waste154US 5,322,547 AMolten Metal Technology, Inc. · 1994
- Method for chemically reducing metals in waste compositions137US 5,324,341 AMolten Metal Technology, Inc. · 1994
- Method of indirect chemical reduction of metals in waste131US 5,358,549 AMolten Metal Technology, Inc. · 1994
- Methods and apparatus for treating waste88US 6,630,113 B1Integrated Environmental Technologies, LLC · 2003
- ARC plasma-melter electro conversion system for waste treatment and resource recovery83US 5,666,891 ABattelle Memorial Institute · 1997