- 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 3/38 - Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by oxidationProcesses for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by combustion
Patent holdings for IPC class A62D 3/38
Total number of patents in this class: 214
10-year publication summary
|
13
|
19
|
16
|
12
|
15
|
9
|
10
|
12
|
9
|
12
|
| 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 |
| Battelle Memorial Institute | 2494 |
5 |
| Kinki University | 245 |
5 |
| Tamura TECO Co., Ltd. | 7 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10936 |
4 |
| Mitsubishi Gas Chemical Company, Inc. | 3481 |
4 |
| Trojan Technologies Inc. | 52 |
4 |
| Hmr-solutions, Inc | 12 |
4 |
| Streamline Innovations, Inc. | 62 |
4 |
| Geosyntec Consultants, Inc. | 35 |
3 |
| Helsingin Yliopisto | 114 |
3 |
| Pyrogenesis Canada, Inc. | 67 |
3 |
| Responsible Waste Disposal, LLC | 3 |
3 |
| Safemedwaste, Inc. | 3 |
3 |
| The Regents of the University of California | 20035 |
2 |
| Chevron U.S.A. Inc. | 3981 |
2 |
| American Sterilizer Company | 670 |
2 |
| Anaergia Inc. | 108 |
2 |
| Befesa Aluminio, S.L. | 6 |
2 |
| Bioquell UK Limited | 17 |
2 |
| Other owners | 147 |