- All sections
- A - Human necessities
- A62D - Chemical means for extinguishing firesprocesses for making harmful chemical substances harmless, or less harmful, by effecting a chemical changecomposition of materials for coverings or clothing for protecting against harmful chemical agentscomposition of materials for transparent parts of gas-masks, respirators, breathing bags or helmetscomposition of chemical materials for use in breathing apparatus
- A62D 3/33 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemically fixing the harmful substance, e.g. by chelation or complexation
Patent holdings for IPC class A62D 3/33
Total number of patents in this class: 169
10-year publication summary
|
11
|
17
|
14
|
12
|
8
|
9
|
11
|
5
|
7
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The United States of America as represented by the Secretary of the Army | 1216 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
3 |
| Envit, Environmental Technologies and Engineering Ltd. | 9 |
3 |
| First Solar, Inc. | 513 |
3 |
| Global Ecoprocess Services Oy | 7 |
3 |
| Mt2, LLC | 4 |
3 |
| The Trustees of Princeton University | 1197 |
3 |
| Yoshino Gypsum Co., Ltd. | 252 |
3 |
| Bromine Compounds Ltd. | 188 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1660 |
2 |
| Ecometales Limited | 18 |
2 |
| Institut Francais des Sciences et Technologies des Transports, de L'amenagement et des Reseaux | 57 |
2 |
| Kadmon Pharmaceuticals, LLC | 26 |
2 |
| Perma-Fix Environmental Services, Inc. | 28 |
2 |
| Phinergy Ltd. | 95 |
2 |
| Rio Tinto ALCAN International Limited | 214 |
2 |
| Solvay SA | 985 |
2 |
| Tosoh Corporation | 1310 |
2 |
| Waseda University | 455 |
2 |
| Vigilant Waste Technologies, Inc. | 7 |
2 |
| Other owners | 119 |