- 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: 233
10-year publication summary
|
16
|
13
|
6
|
10
|
14
|
15
|
19
|
12
|
17
|
9
|
| 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. | 721 |
17 |
| Tenova S.p.A. | 158 |
13 |
| SMS Group GmbH | 1200 |
6 |
| SMS Siemag Aktiengesellschaft | 486 |
5 |
| Calix Ltd | 89 |
4 |
| JFE Steel Corporation | 7549 |
4 |
| JP Steel Plantech Co. | 81 |
4 |
| Mitsubishi Materials Corporation | 2475 |
4 |
| SMS CONCAST ITALIA S.p.A. | 9 |
4 |
| Technological Resources Pty. Limited | 442 |
4 |
| ThyssenKrupp AG | 3399 |
4 |
| Air Products and Chemicals, Inc. | 1474 |
3 |
| ArcelorMittal | 2680 |
3 |
| Cisdi Engineering Co., Ltd. | 107 |
3 |
| Danieli Automation SpA | 128 |
3 |
| Outotec Oyj | 235 |
3 |
| POSCO Co., Ltd. | 2015 |
3 |
| Pyrotek, Inc. | 207 |
3 |
| The University of Adelaide | 170 |
3 |
| thyssenkrupp Polysius GmbH | 166 |
3 |
| Other owners | 137 |