- All sections
- B - Performing operations; transporting
- B01D - Separation
- B01D 12/00 - Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid
Patent holdings for IPC class B01D 12/00
Total number of patents in this class: 164
10-year publication summary
|
16
|
10
|
6
|
21
|
10
|
5
|
6
|
3
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 18943 |
12 |
| Hitachi, Ltd. | 16452 |
8 |
| Eastman Chemical Company | 2239 |
6 |
| Meta-dry LLC | 4 |
4 |
| Ecolab USA Inc. | 5190 |
3 |
| ExxonMobil Upstream Research Company | 2525 |
3 |
| POET Research, Inc. | 240 |
3 |
| Amgen Inc. | 3779 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| Chevron U.S.A. Inc. | 3774 |
2 |
| Biomet Manufacturing, LLC | 1067 |
2 |
| King Technology, Inc. | 241 |
2 |
| Linde Aktiengesellschaft | 1600 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
2 |
| Recover Energy Services Inc. | 52 |
2 |
| Siemens Healthcare Diagnostics Inc. | 1946 |
2 |
| Solvay Fluor GmbH | 77 |
2 |
| Tsukishima Kikai Co., Ltd. | 118 |
2 |
| University of Houston | 75 |
2 |
| UPM-Kymmene Corporation | 868 |
2 |
| Other owners | 99 |