- 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: 242
10-year publication summary
|
17
|
13
|
15
|
13
|
10
|
12
|
8
|
12
|
22
|
9
|
| 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. | 712 |
25 |
| ArcelorMittal | 2414 |
22 |
| Tenova S.p.A. | 155 |
16 |
| Pyrotek, Inc. | 202 |
9 |
| JP Steel Plantech Co. | 83 |
8 |
| Siemens AG | 24303 |
7 |
| Technological Resources Pty. Limited | 450 |
7 |
| Primetals Technologies Austria GmbH | 553 |
6 |
| ATI Properties LLC | 203 |
5 |
| Cisdi Engineering Co., Ltd. | 101 |
5 |
| Danieli Automation SpA | 124 |
5 |
| JFE Steel Corporation | 7097 |
5 |
| Nippon Steel Corporation | 6540 |
5 |
| Tata Steel Limited | 170 |
5 |
| Owens-Brockway Glass Container Inc. | 783 |
4 |
| Paul Wurth S.A. | 425 |
4 |
| Primetals Technologies Germany GmbH | 208 |
4 |
| Tata Steel Limited | 17 |
4 |
| ABB Schweiz AG | 7230 |
3 |
| HYL Technologies, S.A. de C.V. | 43 |
3 |
| Other owners | 90 |