- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 17/80 - Apparatus
Patent holdings for IPC class C01B 17/80
Total number of patents in this class: 134
10-year publication summary
|
2
|
14
|
7
|
12
|
7
|
6
|
12
|
7
|
4
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topsoe A/S | 833 |
18 |
| Chemetics Inc. | 61 |
12 |
| Haldor Topsøe A/S | 673 |
11 |
| Outotec Oyj | 298 |
10 |
| Metso Metals Oy | 222 |
9 |
| Outotec (Finland) Oy | 489 |
7 |
| ThyssenKrupp AG | 3215 |
5 |
| ThyssenKrupp Industrial Solutions AG | 691 |
5 |
| MECS, Inc. | 78 |
4 |
| Keyon Process Co., Ltd | 6 |
4 |
| WAINWRIGHT, David | 12 |
4 |
| JFE Steel Corporation | 6594 |
3 |
| Nihon Kanki Industry Co., Ltd. | 6 |
3 |
| Bayer Technology Services GmbH | 187 |
2 |
| China Petroleum & Chemical Corporation | 1795 |
2 |
| OCP S.A. | 73 |
2 |
| ThyssenKrupp Uhde GmbH | 264 |
2 |
| So3 Plus LLC | 5 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3029 |
2 |
| NC Engenharia Industria E Comercio Ltda | 5 |
2 |
| Other owners | 25 |