- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/30 - Fractionating columns with movable parts or in which centrifugal movement is caused
Patent holdings for IPC class B01D 3/30
Total number of patents in this class: 59
10-year publication summary
|
3
|
7
|
9
|
1
|
2
|
4
|
2
|
2
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BASF SE | 21308 |
4 |
| Hindustan Petroleum Corporation Limited | 228 |
4 |
| Carbon Clean Solutions Limited | 55 |
3 |
| Verno Holdings, LLC | 25 |
3 |
| Beijing University of Chemical Technology | 333 |
2 |
| Doosan Lentjes GmbH | 49 |
2 |
| Hanwha Chemical Corporation | 309 |
2 |
| Julius Montz GmbH | 10 |
2 |
| Koch-Glitsch, LP | 198 |
2 |
| Romico Hold A.V.V. | 7 |
2 |
| Statoil Petroleum AS | 469 |
2 |
| AWE Technologies, LLC | 22 |
2 |
| Schlumberger Technology Corporation | 11820 |
1 |
| Alstom Technology Ltd | 1040 |
1 |
| Uop LLC | 4393 |
1 |
| Dow Global Technologies Inc. | 658 |
1 |
| Chenguang Biotech Group Co., Ltd. | 66 |
1 |
| General Electric Technology GmbH | 1337 |
1 |
| Genevac Limited | 12 |
1 |
| Haemonetics Corporation | 253 |
1 |
| Other owners | 21 |