- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/54 - Preparation of sulfur dioxide by burning elemental sulfur
Patent holdings for IPC class C01B 17/54
Total number of patents in this class: 48
10-year publication summary
|
10
|
4
|
4
|
4
|
2
|
2
|
2
|
3
|
2
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Chemetics Inc. | 69 |
7 |
| Bayer Intellectual Property GmbH | 2348 |
4 |
| ThyssenKrupp AG | 3333 |
3 |
| ThyssenKrupp Industrial Solutions AG | 630 |
3 |
| Metso Metals Oy | 226 |
3 |
| California Institute of Technology | 4044 |
2 |
| Outotec (Finland) Oy | 455 |
2 |
| SABIC Global Technologies B.V. | 4632 |
2 |
| Saudi Arabian Oil Company | 14398 |
2 |
| Haldor Topsøe A/S | 629 |
2 |
| Messer Industries USA, Inc. | 126 |
2 |
| WAINWRIGHT, David | 12 |
2 |
| Topsoe A/S | 1080 |
2 |
| Metso Metals Oy | 42 |
2 |
| Albemarle Corporation | 469 |
1 |
| Applied Technology Limited Partnership | 6 |
1 |
| Aramco Services Company | 4190 |
1 |
| Bayer Technology Services GmbH | 153 |
1 |
| Black & Veatch Corporation | 78 |
1 |
| Politecnico di Milano | 902 |
1 |
| Other owners | 4 |