- All sections
- A - Human necessities
- A62D - Chemical means for extinguishing fires; processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change; composition of materials for coverings or clothing for protecting against harmful chemical agents; composition of materials for transparent parts of gas-masks, respirators, breathing bags or helmets; composition of chemical materials for use in breathing apparatus
- A62D 101/43 - Inorganic substances containing heavy metals, in the bonded or free state
Patent holdings for IPC class A62D 101/43
Total number of patents in this class: 71
10-year publication summary
|
5
|
3
|
5
|
9
|
5
|
3
|
3
|
1
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Sheet Glass Company, Limited | 992 |
6 |
| citizen Watch Co., Ltd. | 1062 |
4 |
| Mt2, LLC | 5 |
3 |
| The Trustees of Princeton University | 1129 |
3 |
| Global Ecoprocess Services Oy | 10 |
2 |
| Institut Francais des Sciences et Technologies des Transports, de L'amenagement et des Reseaux | 58 |
2 |
| Tosoh Corporation | 1127 |
2 |
| Waseda University | 416 |
2 |
| Yoshino Gypsum Co., Ltd. | 224 |
2 |
| Hmr-solutions, Inc | 11 |
2 |
| Azmec Co., Ltd. | 4 |
2 |
| Massachusetts Institute of Technology | 9795 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Battelle Memorial Institute | 2356 |
1 |
| Asahi Chemical Company, Limited | 6 |
1 |
| Blue Sky Mines Ltd. | 3 |
1 |
| CBL Industrial Services, Inc. | 5 |
1 |
| China University of Mining and Technology | 1189 |
1 |
| G-8 International Trading Co., Ltd. | 8 |
1 |
| Hi-van Corporation | 5 |
1 |
| Other owners | 32 |