- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 33/158 - PurificationDryingDehydrating
Patent holdings for IPC class C01B 33/158
Total number of patents in this class: 464
10-year publication summary
|
23
|
50
|
68
|
55
|
41
|
52
|
37
|
42
|
42
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17638 |
170 |
| Aspen Aerogels, Inc. | 248 |
34 |
| Cardinal CG Company | 228 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
8 |
| Massachusetts Institute of Technology | 10055 |
8 |
| EMPA Eidgenössische Materialprüfungs-und Forschungsanstalt | 188 |
8 |
| Wacker Chemie AG | 2106 |
8 |
| 3m Innovative Properties Company | 17819 |
7 |
| Hitachi Chemical Company, Ltd. | 2346 |
6 |
| Inha University Research and Business Foundation | 176 |
6 |
| Lawrence Livermore National Security, LLC | 1940 |
5 |
| Resonac Corporation | 2815 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4941 |
4 |
| Virginia Commonwealth University | 632 |
4 |
| Taiwan Aerogel Technology Material Co., Ltd. | 12 |
4 |
| Aerobel BV | 7 |
4 |
| BASF SE | 20915 |
3 |
| Commonwealth Scientific and Industrial Research Organisation | 1650 |
3 |
| Johns Manville | 954 |
3 |
| Tahoe Technologies, Ltd. | 5 |
3 |
| Other owners | 160 |