- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 3/18 - Arrangement of devices for charging
Patent holdings for IPC class F27B 3/18
Total number of patents in this class: 240
10-year publication summary
|
18
|
17
|
16
|
16
|
10
|
13
|
8
|
13
|
31
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 715 |
25 |
| ArcelorMittal | 2271 |
22 |
| Tenova S.p.A. | 156 |
18 |
| Pyrotek, Inc. | 202 |
9 |
| JP Steel Plantech Co. | 82 |
8 |
| Siemens AG | 24525 |
7 |
| Technological Resources Pty. Limited | 452 |
7 |
| ATI Properties LLC | 203 |
5 |
| Cisdi Engineering Co., Ltd. | 100 |
5 |
| Danieli Automation SpA | 122 |
5 |
| JFE Steel Corporation | 6809 |
5 |
| Nippon Steel Corporation | 6203 |
5 |
| Tata Steel Limited | 175 |
5 |
| Paul Wurth S.A. | 418 |
4 |
| Primetals Technologies Austria GmbH | 530 |
4 |
| Primetals Technologies Germany GmbH | 203 |
4 |
| Tata Steel Limited | 17 |
4 |
| ABB Schweiz AG | 6917 |
3 |
| HYL Technologies, S.A. de C.V. | 44 |
3 |
| INTECO Special Melting Technologies GmbH | 11 |
3 |
| Other owners | 89 |