- 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: 208
10-year publication summary
|
7
|
9
|
24
|
20
|
19
|
10
|
16
|
17
|
12
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edwards Limited | 791 |
19 |
| Kanken Techno Co., Ltd. | 62 |
16 |
| Beijing Kanken Environmental Protection Equipment Co., Ltd. | 33 |
7 |
| Applied Materials, Inc. | 18565 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3551 |
5 |
| Shell Oil Company | 2141 |
5 |
| Ebara Corporation | 2166 |
5 |
| Hitachi-GE Nuclear Energy, Ltd. | 282 |
5 |
| Shell USA, Inc. | 1208 |
5 |
| The Trustees of the Stevens Institute of Technology | 164 |
4 |
| Tsinghua University | 5907 |
3 |
| Blue-Zone Technologies Ltd. | 32 |
3 |
| Crystaphase Products, Inc. | 55 |
3 |
| Institute of Process Engineering, Chinese Academy of Sciences | 293 |
3 |
| Satarem Technologies Limited | 3 |
3 |
| Taiyo Nippon Sanso Corporation | 369 |
3 |
| Saudi Basic Industries Corporation | 571 |
2 |
| Showa Denko K.K. | 2246 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
2 |
| Arkema France | 4102 |
2 |
| Other owners | 105 |