- 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: 224
10-year publication summary
|
15
|
13
|
5
|
10
|
14
|
14
|
16
|
12
|
17
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Danieli & C. Officine Meccaniche S.p.A. | 714 |
17 |
| Tenova S.p.A. | 155 |
13 |
| Technological Resources Pty. Limited | 451 |
7 |
| SMS Group GmbH | 1149 |
6 |
| SMS Siemag Aktiengesellschaft | 496 |
5 |
| Calix Ltd | 95 |
4 |
| JFE Steel Corporation | 7163 |
4 |
| JP Steel Plantech Co. | 83 |
4 |
| Mitsubishi Materials Corporation | 2470 |
4 |
| SMS CONCAST ITALIA S.p.A. | 9 |
4 |
| Air Products and Chemicals, Inc. | 1455 |
3 |
| ArcelorMittal | 2456 |
3 |
| Cisdi Engineering Co., Ltd. | 100 |
3 |
| Danieli Automation SpA | 124 |
3 |
| Outotec Oyj | 253 |
3 |
| Pyrotek, Inc. | 204 |
3 |
| ThyssenKrupp AG | 3388 |
3 |
| The University of Adelaide | 164 |
3 |
| Siemens AG | 24294 |
2 |
| Tokyo Electron Limited | 13336 |
2 |
| Other owners | 128 |