- All sections
- B - Performing operationstransporting
- B01D - Separation
- B01D 15/14 - Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the introduction of the feed to the apparatus
Patent holdings for IPC class B01D 15/14
Total number of patents in this class: 252
10-year publication summary
|
22
|
29
|
19
|
22
|
20
|
20
|
16
|
24
|
13
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agilent Technologies, Inc. | 2638 |
29 |
| Waters Technologies Corporation | 1697 |
27 |
| Shimadzu Corporation | 6179 |
17 |
| Cytiva Sweden AB | 763 |
14 |
| Cytiva BioProcess R&D AB | 303 |
11 |
| GE Healthcare Bio-Sciences AB | 541 |
7 |
| IFP Energies Nouvelles | 2937 |
5 |
| Genentech, Inc. | 3976 |
4 |
| Dionex Softron GmbH | 116 |
4 |
| PerkinElmer Health Sciences, Inc. | 214 |
4 |
| Sartorius Stedim Biotech GmbH | 831 |
4 |
| Uop LLC | 4237 |
3 |
| Thermo Finnigan LLC | 638 |
3 |
| Chromatan Inc. | 8 |
3 |
| Douglas T. Gjerde | 11 |
3 |
| Fresenius Medical Care Holdings, Inc. | 1422 |
3 |
| Valco Instruments Company, Inc. | 41 |
3 |
| EMD Millipore Corporation | 650 |
2 |
| Amgen Inc. | 4076 |
2 |
| Battelle Memorial Institute | 2492 |
2 |
| Other owners | 102 |