- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/02 - Preparation of sulfurPurification
Patent holdings for IPC class C01B 17/02
Total number of patents in this class: 242
10-year publication summary
|
12
|
14
|
17
|
20
|
15
|
12
|
12
|
12
|
14
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluor Technologies Corporation | 370 |
16 |
| LG Chem, Ltd. | 17778 |
10 |
| Saudi Arabian Oil Company | 13904 |
9 |
| Phillips 66 Company | 1054 |
8 |
| Controls Southeast, Inc. | 35 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3497 |
6 |
| Sharp Corporation | 10394 |
5 |
| Korea Institute of Science and Technology | 2187 |
5 |
| Sultech Global Innovation Corp. | 8 |
5 |
| Sulvaris Inc. | 56 |
5 |
| Flexsys IP Holdings, LLC | 32 |
5 |
| Elemental Recycling, Inc. | 10 |
4 |
| Aramco Services Company | 4158 |
3 |
| Arkema France | 4173 |
3 |
| CCR Technologies Ltd. | 12 |
3 |
| China Petroleum & Chemical Corporation | 2014 |
3 |
| Enersul Inc. | 10 |
3 |
| Refined Technologies, Inc. | 54 |
3 |
| ThyssenKrupp AG | 3426 |
3 |
| ThyssenKrupp Industrial Solutions AG | 631 |
3 |
| Other owners | 133 |