- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/18 - Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
Patent holdings for IPC class B01D 3/18
Total number of patents in this class: 41
10-year publication summary
|
2
|
5
|
5
|
1
|
3
|
3
|
4
|
4
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Massachusetts Institute of Technology | 10285 |
5 |
| BASF SE | 21320 |
4 |
| King Fahd University of Petroleum and Minerals | 1594 |
4 |
| Uop LLC | 4397 |
3 |
| Beijing Zehua Chemical Engineering Co., Ltd. | 19 |
3 |
| Koch-Glitsch, LP | 196 |
3 |
| Nantong Sutong Separation Engineering Technology Co., Ltd. | 8 |
3 |
| Renuva, Inc. | 5 |
2 |
| ExxonMobil Research And Engineering Company | 2398 |
1 |
| Industrial Technology Research Institute | 5198 |
1 |
| Chevron U.S.A. Inc. | 4162 |
1 |
| ADA-ES, Inc. | 8 |
1 |
| GTI Solutions International LLC | 6 |
1 |
| King Fahd University of Petroleum & Minerals | 195 |
1 |
| Linde Aktiengesellschaft | 1416 |
1 |
| SK Innovation Co., Ltd. | 1490 |
1 |
| ThyssenKrupp AG | 3354 |
1 |
| ThyssenKrupp Industrial Solutions AG | 630 |
1 |
| Wanhua Chemical Group Co., Ltd. | 388 |
1 |
| Woven Metal Products, Inc. | 19 |
1 |
| Other owners | 2 |