- 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: 141
10-year publication summary
|
14
|
7
|
12
|
7
|
6
|
12
|
10
|
4
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Topsoe A/S | 1049 |
21 |
| Chemetics Inc. | 67 |
14 |
| Haldor Topsøe A/S | 636 |
11 |
| Metso Metals Oy | 225 |
8 |
| Outotec (Finland) Oy | 455 |
7 |
| Outotec Oyj | 235 |
7 |
| ThyssenKrupp AG | 3399 |
5 |
| ThyssenKrupp Industrial Solutions AG | 630 |
5 |
| Keyon Process Co., Ltd | 11 |
4 |
| WAINWRIGHT, David | 12 |
4 |
| Metso Metals Oy | 43 |
4 |
| JFE Steel Corporation | 7549 |
3 |
| MECS, Inc. | 63 |
3 |
| Nihon Kanki Industry Co., Ltd. | 6 |
3 |
| Bayer Technology Services GmbH | 155 |
2 |
| China Petroleum & Chemical Corporation | 2154 |
2 |
| OCP S.A. | 88 |
2 |
| ThyssenKrupp Uhde GmbH | 380 |
2 |
| So3 Plus LLC | 5 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3263 |
2 |
| Other owners | 30 |