- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27D - Details or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 13/00 - Apparatus for preheating chargesArrangements for preheating charges
Patent holdings for IPC class F27D 13/00
Total number of patents in this class: 217
10-year publication summary
10
|
16
|
13
|
6
|
10
|
14
|
15
|
15
|
12
|
10
|
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. | 713 |
17 |
Tenova S.p.A. | 156 |
15 |
Technological Resources Pty. Limited | 451 |
7 |
SMS Group GmbH | 1117 |
6 |
SMS Siemag Aktiengesellschaft | 506 |
5 |
JP Steel Plantech Co. | 82 |
4 |
Mitsubishi Materials Corporation | 2435 |
4 |
SMS CONCAST ITALIA S.p.A. | 9 |
4 |
Air Products and Chemicals, Inc. | 1414 |
3 |
ArcelorMittal | 2254 |
3 |
Cisdi Engineering Co., Ltd. | 99 |
3 |
Danieli Automation SpA | 122 |
3 |
JFE Steel Corporation | 6806 |
3 |
Outotec Oyj | 279 |
3 |
Pyrotek, Inc. | 201 |
3 |
ThyssenKrupp AG | 3273 |
3 |
Siemens AG | 24552 |
2 |
Tokyo Electron Limited | 12599 |
2 |
Calix Ltd | 94 |
2 |
Gautschi Engineering GmbH | 12 |
2 |
Other owners | 123 |