- All sections
- B - Performing operationstransporting
- 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: 145
10-year publication summary
|
6
|
21
|
10
|
5
|
6
|
3
|
7
|
3
|
3
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20960 |
9 |
| Hitachi, Ltd. | 16221 |
8 |
| Eastman Chemical Company | 2109 |
6 |
| POET Research, Inc. | 272 |
3 |
| Meta-dry LLC | 3 |
3 |
| Amgen Inc. | 4483 |
2 |
| NGK Insulators, Ltd. | 5168 |
2 |
| Microsoft Technology Licensing, LLC | 54693 |
2 |
| Chevron U.S.A. Inc. | 4180 |
2 |
| Biomet Manufacturing, LLC | 1000 |
2 |
| Ecolab USA Inc. | 5842 |
2 |
| ExxonMobil Upstream Research Company | 2283 |
2 |
| King Technology, Inc. | 293 |
2 |
| Linde Aktiengesellschaft | 1410 |
2 |
| Recover Energy Services Inc. | 51 |
2 |
| Screen Holdings Co., Ltd. | 3275 |
2 |
| Siemens Healthcare Diagnostics Inc. | 2161 |
2 |
| Solvay Fluor GmbH | 54 |
2 |
| Tsukishima Kikai Co., Ltd. | 115 |
2 |
| University of Houston | 75 |
2 |
| Other owners | 86 |