- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 17/02 - Preparation of sulfur; Purification
Patent holdings for IPC class C01B 17/02
Total number of patents in this class: 225
10-year publication summary
|
18
|
16
|
14
|
14
|
20
|
23
|
18
|
12
|
12
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fluor Technologies Corporation | 410 |
13 |
| LG Chem, Ltd. | 17205 |
10 |
| Phillips 66 Company | 1073 |
8 |
| Controls Southeast, Inc. | 29 |
7 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
6 |
| Korea Institute of Science and Technology | 2022 |
6 |
| Flexsys Holdings, Inc. | 22 |
6 |
| Sharp Corporation | 10015 |
5 |
| Sulvaris Inc. | 50 |
5 |
| IPCO US LLC | 16 |
5 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Sultech Global Innovation Corp. | 6 |
4 |
| Arkema France | 3790 |
3 |
| CCR Technologies Ltd. | 16 |
3 |
| China Petroleum & Chemical Corporation | 1623 |
3 |
| Refined Technologies, Inc. | 51 |
3 |
| ThyssenKrupp AG | 3086 |
3 |
| ThyssenKrupp Industrial Solutions AG | 729 |
3 |
| United Arab Emirates University | 258 |
3 |
| Elemental Recycling, Inc. | 7 |
3 |
| Other owners | 122 |