- All sections
- C - Chemistrymetallurgy
- C25B - Electrolytic or electrophoretic processes for the production of compounds or non- metalsapparatus therefor
- C25B 1/22 - Inorganic acids
Patent holdings for IPC class C25B 1/22
Total number of patents in this class: 128
10-year publication summary
|
7
|
5
|
4
|
4
|
11
|
12
|
13
|
25
|
20
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Peregrine Hydrogen Inc. | 17 |
9 |
| California Institute of Technology | 4040 |
5 |
| Sublime Systems, Inc. | 38 |
5 |
| Massachusetts Institute of Technology | 10251 |
3 |
| Toda Kogyo Corporation | 329 |
3 |
| Avantium Knowledge Centre B.V. | 205 |
3 |
| H2fuel Works B.V. | 3 |
3 |
| Kankyo Kougaku, Ltd. | 3 |
3 |
| The Regents of the University of California | 20745 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
2 |
| Lawrence Livermore National Security, LLC | 1973 |
2 |
| Korea Advanced Institute of Science and Technology | 4664 |
2 |
| Dionex Corporation | 339 |
2 |
| Korea Institute of Energy Research | 898 |
2 |
| Nemaska Lithium Inc. | 77 |
2 |
| Saudi Arabian Oil Company | 14235 |
2 |
| University of South Carolina | 849 |
2 |
| Tesla, Inc. | 1984 |
2 |
| Heathgate Resources Pty Ltd | 2 |
2 |
| R. e R. Group S.r.l. | 2 |
2 |
| Other owners | 70 |