- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/70 - Organic halogen compounds
Patent holdings for IPC class B01D 53/70
Total number of patents in this class: 219
10-year publication summary
|
9
|
24
|
20
|
19
|
10
|
16
|
17
|
13
|
17
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kanken Techno Co., Ltd. | 71 |
18 |
| Edwards Limited | 774 |
16 |
| Beijing Kanken Environmental Protection Equipment Co., Ltd. | 35 |
8 |
| Shell Internationale Research Maatschappij B.V. | 3394 |
5 |
| Applied Materials, Inc. | 20467 |
5 |
| Shell Oil Company | 2068 |
5 |
| Ebara Corporation | 2344 |
5 |
| Shell USA, Inc. | 1341 |
5 |
| The Trustees of the Stevens Institute of Technology | 178 |
4 |
| Hitachi GE Vernova Nuclear Energy, Ltd. | 175 |
4 |
| Tsinghua University | 6233 |
3 |
| Blue-Zone Technologies Ltd. | 37 |
3 |
| Crystaphase Products, Inc. | 61 |
3 |
| Danmarks Tekniske Universitet | 1040 |
3 |
| Ecopro Co. Ltd. | 55 |
3 |
| Institute of Process Engineering, Chinese Academy of Sciences | 329 |
3 |
| Kobenhavns Universitet | 187 |
3 |
| Satarem Technologies Limited | 3 |
3 |
| The Regents of the University of California | 20815 |
2 |
| Saudi Basic Industries Corporation | 524 |
2 |
| Other owners | 116 |