- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 15/30 - Partition chromatography
Patent holdings for IPC class B01D 15/30
Total number of patents in this class: 126
10-year publication summary
|
18
|
14
|
19
|
15
|
15
|
7
|
12
|
9
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Waters Technologies Corporation | 1781 |
33 |
| Regeneron Pharmaceuticals, Inc. | 4618 |
16 |
| Whirlpool Corporation | 4574 |
3 |
| The Florida International University Board of Trustees | 658 |
3 |
| Mcmaster University | 823 |
3 |
| Stora Enso Oyj | 1633 |
3 |
| Spectrum Therapeutics GmbH | 4 |
3 |
| Bristol-myers Squibb Company | 4811 |
2 |
| Pfizer Inc. | 3367 |
2 |
| Agilent Technologies, Inc. | 2647 |
2 |
| Bio-Rad Laboratories, Inc. | 1612 |
2 |
| Biogen MA Inc. | 933 |
2 |
| Restek Corporation | 110 |
2 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3268 |
2 |
| Kashiv Biosciences, LLC | 98 |
2 |
| Glaxo Group Limited | 4364 |
1 |
| Merck Sharp & Dohme Corp. | 2184 |
1 |
| Wyeth LLC | 612 |
1 |
| Centre National de La Recherche Scientifique | 10886 |
1 |
| Hitachi Chemical Company, Ltd. | 2265 |
1 |
| Other owners | 41 |