- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/37 - Phosphates of heavy metals
Patent holdings for IPC class C01B 25/37
Total number of patents in this class: 626
10-year publication summary
|
18
|
22
|
10
|
23
|
18
|
34
|
41
|
59
|
87
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hunan Brunp Recycling Technology Co., Ltd. | 1217 |
89 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1248 |
88 |
| Hunan Brunp EV Recycling Co., Ltd. | 375 |
21 |
| Chemische Fabrik Budenheim KG | 215 |
17 |
| Fujimi Incorporated | 768 |
12 |
| Centre National de La Recherche Scientifique | 10805 |
10 |
| Toagosei Co., Ltd. | 985 |
9 |
| Hunan Brunp Vehicles Recycling Co., Ltd. | 75 |
9 |
| Hubei Hongrun High-Tech New Materials Co., Ltd. | 9 |
9 |
| A123 Systems LLC | 185 |
7 |
| LG Energy Solution, Ltd. | 16722 |
7 |
| Nippon Chemical Industrial Co., Ltd. | 292 |
6 |
| The Research Foundation for The State University of New York | 1689 |
6 |
| Shenzhen Batian Ecotypic Engineering Co.,Ltd. | 7 |
6 |
| National Tsing Hua University | 1230 |
5 |
| OCP S.A. | 84 |
5 |
| Umicore | 707 |
5 |
| Tesla, Inc. | 1830 |
5 |
| Hubei Wanrun New Energy Technology Co.,Ltd. | 56 |
5 |
| Yichang Brunp Yihua New Material Co., Ltd | 11 |
5 |
| Other owners | 300 |