- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/38 - Steam distillation
Patent holdings for IPC class B01D 3/38
Total number of patents in this class: 235
10-year publication summary
|
16
|
28
|
24
|
25
|
24
|
26
|
17
|
21
|
18
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dow Global Technologies LLC | 10960 |
10 |
| Rohm and Haas Company | 2947 |
7 |
| Pierson Capital Environmental (Beijing) Limited | 11 |
7 |
| Topsoe A/S | 1049 |
7 |
| LG Chem, Ltd. | 17929 |
6 |
| Desmet Belgium | 46 |
4 |
| ExxonMobil Chemical Patents Inc. | 3776 |
3 |
| Dow Technology Investments LLC | 280 |
3 |
| Aromator LLC | 3 |
3 |
| Casale SA | 634 |
3 |
| Natural Extraction Systems, LLC | 124 |
3 |
| SABIC Global Technologies B.V. | 4599 |
3 |
| Shenzhen Zofu Technology Co., Ltd. | 8 |
3 |
| Sulzer Management AG | 712 |
3 |
| Norwegian Technology AS | 4 |
3 |
| Especialidades Químicas Globales de México, S.A.P.I. de C.V. | 3 |
3 |
| Undesert Corporation | 4 |
3 |
| BASF SE | 21308 |
2 |
| Uop LLC | 4393 |
2 |
| Aak AB | 244 |
2 |
| Other owners | 155 |