- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 3/26 - Fractionating columns in which vapour and liquid flow pass each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
Patent holdings for IPC class B01D 3/26
Total number of patents in this class: 109
10-year publication summary
|
16
|
9
|
12
|
11
|
2
|
6
|
3
|
8
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Uop LLC | 4255 |
10 |
| Koch-Glitsch, LP | 197 |
5 |
| BASF SE | 21080 |
4 |
| Alfa Laval Corporate AB | 1322 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
3 |
| Chevron Phillips Chemical Company LP | 1848 |
3 |
| IHI Corporation | 3461 |
3 |
| Marine Global Holding AS | 3 |
3 |
| Sasakura Engineering Co., Ltd. | 51 |
3 |
| Dow Global Technologies LLC | 10509 |
2 |
| Mitsubishi Chemical Corporation | 4593 |
2 |
| ConocoPhillips Company | 1684 |
2 |
| Covestro Deutschland AG | 2784 |
2 |
| IFP Energies Nouvelles | 2969 |
2 |
| Kyushu University, National University Corporation | 1665 |
2 |
| Sulzer Management AG | 682 |
2 |
| Sumitomo Heavy Industries Process Equipment Co., Ltd. | 25 |
2 |
| Taiyo Nippon Sanso Corporation | 366 |
2 |
| California Safe Soil, LLC | 26 |
2 |
| Rosenblad Design Aktiebolag | 3 |
2 |
| Other owners | 49 |