A62D
Chemical means for extinguishing fires or for combating or protecting against harmful
Official title: Chemical means for extinguishing fires or for combating or protecting against harmful chemical agents; chemical materials for use in breathing apparatus
A62D (Chemical means for extinguishing fires or for combating or protecting against harmful) appears on 2,853 US grants and 2,138 published applications in this corpus.
Search patents in A62D- Granted patents
- 2,853
- Published applications
- 2,138
- Assignees
- 1,526
- Inventors
- 5,693
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 19 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 22 | 0 |
| 1981 | 13 | 0 |
| 1982 | 15 | 0 |
| 1983 | 22 | 0 |
| 1984 | 31 | 0 |
| 1985 | 33 | 0 |
| 1986 | 33 | 0 |
| 1987 | 35 | 0 |
| 1988 | 31 | 0 |
| 1989 | 55 | 0 |
| 1990 | 58 | 0 |
| 1991 | 69 | 0 |
| 1992 | 76 | 0 |
| 1993 | 73 | 0 |
| 1994 | 72 | 0 |
| 1995 | 95 | 0 |
| 1996 | 110 | 0 |
| 1997 | 109 | 0 |
| 1998 | 106 | 0 |
| 1999 | 110 | 0 |
| 2000 | 83 | 0 |
| 2001 | 66 | 20 |
| 2002 | 76 | 66 |
| 2003 | 72 | 98 |
| 2004 | 52 | 97 |
| 2005 | 42 | 80 |
| 2006 | 45 | 59 |
| 2007 | 44 | 70 |
| 2008 | 28 | 67 |
| 2009 | 41 | 74 |
| 2010 | 51 | 89 |
| 2011 | 60 | 77 |
| 2012 | 61 | 58 |
| 2013 | 55 | 96 |
| 2014 | 69 | 89 |
| 2015 | 61 | 111 |
| 2016 | 65 | 87 |
| 2017 | 82 | 79 |
| 2018 | 61 | 68 |
| 2019 | 76 | 96 |
| 2020 | 66 | 91 |
| 2021 | 69 | 85 |
| 2022 | 74 | 94 |
| 2023 | 66 | 86 |
| 2024 | 69 | 111 |
| 2025 | 53 | 122 |
| 2026 | 40 | 68 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- A62D 3/00Processes for making harmful chemical substances harmless or less harmful, by effecting1,660
- A62D 2101/00Harmful chemical substances made harmless, or less harmful, by effecting chemical changeIndexing code1,503
- A62D 1/00Fire-extinguishing compositions898
- A62D 2203/00Aspects of processes for making harmful chemical substances harmless, or less harmfulIndexing code450
- A62D 5/00Composition of materials for coverings or clothing affording protection against harmful chemical204
- A62D 9/00Composition of chemical substances for use in breathing apparatus70
- A62D 7/00Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or11
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)
- Compositions and uses of trans-1,1,1,4,4,4-hexafluoro-2-butene and 1,1-difluoroethane (R-152A)15 Sep 2026US 12,734,388 B2The Chemours Company Fc, LLC
- Gel composition15 Sep 2026US 12,734,389 B2Flame Security International Pty Ltd
- Method and kit for remediation of environments contaminated with halogenated organic compounds15 Sep 2026US 12,734,568 B2Photon Remediation Technology N.V.
- 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
- Fire extinguishing material for lithium battery1 Oct 2026US 2026/0295320 A1Rotary Safety Co., Ltd.
- Fire suppression compositions for battery1 Oct 2026US 2026/0295321 A1PoseidonBattery Co., Ltd.
- Method for extracting a solid energetic material from contaminated soil1 Oct 2026US 2026/0295646 A1
Most cited
By later US patents
- Destruction of energetic materials1,020US 6,603,050 B2UXB International, Inc. · 2003
- Foaming surfactant compositions383US 4,565,647 AThe Procter & Gamble Company · 1986
- Reactor and method for disassociating waste190US 5,301,620 AMolten Metal Technology, Inc. · 1994
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- 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