- 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: 148
10-year publication summary
|
6
|
20
|
10
|
5
|
3
|
3
|
5
|
3
|
2
|
0
|
| 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 | 20534 |
12 |
| Hitachi, Ltd. | 15895 |
8 |
| Eastman Chemical Company | 2091 |
6 |
| POET Research, Inc. | 269 |
3 |
| Meta-dry LLC | 3 |
3 |
| Amgen Inc. | 4348 |
2 |
| NGK Insulators, Ltd. | 5199 |
2 |
| Chevron U.S.A. Inc. | 4081 |
2 |
| Biomet Manufacturing, LLC | 1012 |
2 |
| Ecolab USA Inc. | 5725 |
2 |
| ExxonMobil Upstream Research Company | 2337 |
2 |
| King Technology, Inc. | 293 |
2 |
| Linde Aktiengesellschaft | 1435 |
2 |
| Mitsubishi Gas Chemical Company, Inc. | 3587 |
2 |
| Recover Energy Services Inc. | 51 |
2 |
| Siemens Healthcare Diagnostics Inc. | 2127 |
2 |
| Solvay Fluor GmbH | 58 |
2 |
| Tsukishima Kikai Co., Ltd. | 112 |
2 |
| University of Houston | 74 |
2 |
| UPM-Kymmene Corporation | 975 |
2 |
| Other owners | 86 |