- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 53/68 - Halogens or halogen compounds
Patent holdings for IPC class B01D 53/68
Total number of patents in this class: 570
10-year publication summary
|
42
|
54
|
33
|
29
|
28
|
22
|
25
|
26
|
40
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kurita Water Industries Ltd. | 1288 |
20 |
| Edwards Limited | 774 |
17 |
| Uop LLC | 4390 |
12 |
| Ebara Corporation | 2343 |
12 |
| IHI Corporation | 3529 |
12 |
| Kanken Techno Co., Ltd. | 71 |
12 |
| Solvay SA | 946 |
10 |
| Applied Materials, Inc. | 20459 |
9 |
| ARQ Solutions (es), Inc. | 61 |
9 |
| Graymont (PA) Inc. | 19 |
8 |
| Resonac Corporation | 3587 |
8 |
| Mitsubishi Heavy Industries, Ltd. | 9161 |
7 |
| Tohoku University | 2994 |
7 |
| Crystaphase Products, Inc. | 60 |
6 |
| Alstom Technology Ltd | 1037 |
5 |
| Showa Denko K.K. | 2066 |
5 |
| Babcock-Hitachi Kabushiki Kaisha | 93 |
5 |
| Central Glass Company, Limited | 1297 |
5 |
| General Electric Technology GmbH | 1337 |
5 |
| Gigaphoton Inc. | 1328 |
5 |
| Other owners | 391 |