- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 53/70 - Organic halogen compounds
Patent holdings for IPC class B01D 53/70
Total number of patents in this class: 205
10-year publication summary
12
|
7
|
9
|
24
|
20
|
18
|
10
|
16
|
16
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Edwards Limited | 764 |
16 |
Kanken Techno Co., Ltd. | 56 |
16 |
Beijing Kanken Environmental Protection Equipment Co., Ltd. | 28 |
7 |
Shell Internationale Research Maatschappij B.V. | 3792 |
5 |
Shell Oil Company | 2196 |
5 |
Hitachi-GE Nuclear Energy, Ltd. | 261 |
5 |
Shell USA, Inc. | 1074 |
5 |
Applied Materials, Inc. | 16587 |
4 |
Ebara Corporation | 1951 |
4 |
The Trustees of the Stevens Institute of Technology | 160 |
4 |
Tsinghua University | 5426 |
3 |
Blue-Zone Technologies Ltd. | 28 |
3 |
Crystaphase Products, Inc. | 54 |
3 |
IHI Corporation | 3268 |
3 |
Institute of Process Engineering, Chinese Academy of Sciences | 250 |
3 |
Satarem Technologies Limited | 3 |
3 |
Taiyo Nippon Sanso Corporation | 356 |
3 |
Saudi Basic Industries Corporation | 625 |
2 |
Showa Denko K.K. | 2539 |
2 |
National Institute of Advanced Industrial Science and Technology | 3677 |
2 |
Other owners | 107 |