- 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: 535
10-year publication summary
|
50
|
68
|
55
|
41
|
53
|
37
|
44
|
43
|
56
|
38
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Chem, Ltd. | 17967 |
203 |
| Aspen Aerogels, Inc. | 261 |
37 |
| Cardinal CG Company | 212 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
8 |
| Massachusetts Institute of Technology | 10290 |
8 |
| EMPA Eidgenössische Materialprüfungs-und Forschungsanstalt | 204 |
8 |
| Wacker Chemie AG | 2115 |
8 |
| 3m Innovative Properties Company | 17445 |
7 |
| Hitachi Chemical Company, Ltd. | 2231 |
6 |
| Inha University Research and Business Foundation | 225 |
6 |
| Lawrence Livermore National Security, LLC | 1982 |
5 |
| Resonac Corporation | 3641 |
5 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5285 |
4 |
| Commonwealth Scientific and Industrial Research Organisation | 1648 |
4 |
| Virginia Commonwealth University | 666 |
4 |
| Taiwan Aerogel Technology Material Co., Ltd. | 13 |
4 |
| AeroShield Materials, Inc. | 5 |
4 |
| BASF SE | 21328 |
3 |
| Centre National de La Recherche Scientifique | 11092 |
3 |
| Johns Manville | 918 |
3 |
| Other owners | 184 |