A62D 3/00
Processes for making harmful chemical substances harmless or less harmful, by effecting
Official title: Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances (consuming noxious gases by combustion F23G7/06)
A62D3/00 (Processes for making harmful chemical substances harmless or less harmful, by effecting) appears on 1,660 US grants and 996 published applications in this corpus.
Search patents in A62D- Granted patents
- 1,660
- Published applications
- 996
- Assignees
- 1,020
- Inventors
- 3,625
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 14 | 0 |
| 1985 | 19 | 0 |
| 1986 | 20 | 0 |
| 1987 | 22 | 0 |
| 1988 | 21 | 0 |
| 1989 | 32 | 0 |
| 1990 | 35 | 0 |
| 1991 | 37 | 0 |
| 1992 | 40 | 0 |
| 1993 | 48 | 0 |
| 1994 | 63 | 0 |
| 1995 | 74 | 0 |
| 1996 | 87 | 0 |
| 1997 | 69 | 0 |
| 1998 | 83 | 0 |
| 1999 | 83 | 0 |
| 2000 | 62 | 0 |
| 2001 | 49 | 12 |
| 2002 | 56 | 38 |
| 2003 | 48 | 58 |
| 2004 | 29 | 59 |
| 2005 | 30 | 41 |
| 2006 | 31 | 39 |
| 2007 | 18 | 28 |
| 2008 | 18 | 40 |
| 2009 | 21 | 36 |
| 2010 | 35 | 49 |
| 2011 | 34 | 43 |
| 2012 | 33 | 34 |
| 2013 | 26 | 42 |
| 2014 | 37 | 40 |
| 2015 | 30 | 72 |
| 2016 | 41 | 28 |
| 2017 | 40 | 38 |
| 2018 | 28 | 31 |
| 2019 | 38 | 49 |
| 2020 | 33 | 33 |
| 2021 | 37 | 39 |
| 2022 | 30 | 28 |
| 2023 | 17 | 24 |
| 2024 | 19 | 33 |
| 2025 | 19 | 38 |
| 2026 | 12 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A62D 3/30Processes for making harmful chemical substances harmless or less harmful, by effecting1,192
- A62D 3/10Processes for making harmful chemical substances harmless or less harmful, by effecting250
- A62D 3/02Processes for making harmful chemical substances harmless or less harmful, by effecting230
- A62D 3/40Processes for making harmful chemical substances harmless or less harmful, by effecting99
- A62D 3/20Processes for making harmful chemical substances harmless or less harmful, by effecting51
Recent patents
- System and method for pfas contaminated waste polymer solidification6 Oct 2026US 12,752,143 B1AVANTech, Inc.
- Method for modifying a yarn or textile fabric29 Sep 2026US 12,746,425 B2Centre National de la Recherche Scientifique (CNRS)
- Method and kit for remediation of environments contaminated with halogenated organic compounds15 Sep 2026US 12,734,568 B2Photon Remediation Technology N.V.
- Apparatus and method for denaturing asbestos18 Aug 2026US 12,708,935 B2Thermachange Ltd
- Layered absorbent substrate incorporating activated carbon and superabsorbent materials7 Jul 2026US 12,673,229 B2Star Liberty LLC
- Method to Encapsulate Metal Organic Frameworks with Polymers to form Highly Porous Microbeads8 Oct 2026US 2026/0306894 A1TDA Research, Inc.
- Hydrothermal treatment of polymers containing perfluroalkyl and/or halogenated compounds8 Oct 2026US 2026/0308349 A1
- Method for extracting a solid energetic material from contaminated soil1 Oct 2026US 2026/0295646 A1
- Process for Treating Mercury Contaminated Waste for Landfill Disposal17 Sep 2026US 2026/0273323 A1Veolia ES Technical Solutions L.L.C.
- Method for removing pfas comprised in waste10 Sep 2026US 2026/0263857 A1Sarp Industries
Most cited
By later US patents
- Destruction of energetic materials1,020US 6,603,050 B2UXB International, Inc. · 2003
- Reactor and method for disassociating waste190US 5,301,620 AMolten Metal Technology, Inc. · 1994
- Method and system for forming carbon dioxide from carbon-containing materials in a molten bath of immiscible metals178US 5,177,304 AMolten Metal Technology, Inc. · 1993
- Method and system for controlling chemical reaction in a molten bath170US 5,191,154 AMolten Metal Technology, Inc. · 1993
- Method for indirect chemical reduction of metals in waste154US 5,322,547 AMolten Metal Technology, Inc. · 1994