- 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 1/12 - CasingsLiningsWallsRoofs incorporating cooling arrangements
Patent holdings for IPC class F27D 1/12
Total number of patents in this class: 253
10-year publication summary
|
16
|
22
|
24
|
22
|
12
|
16
|
13
|
9
|
16
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paul Wurth S.A. | 430 |
26 |
| Berry Metal Company | 50 |
18 |
| Systems Spray-Cooled, LLC | 32 |
18 |
| Amerifab, Inc. | 52 |
10 |
| Hatch Ltd. | 221 |
8 |
| ArcelorMittal | 2680 |
6 |
| Paul Wurth Deutschland GmbH | 25 |
6 |
| Metso Metals Oy | 225 |
6 |
| Macrae, Allan J, Mr. | 7 |
6 |
| Macrae Technologies, Inc | 6 |
5 |
| SMS Siemag Aktiengesellschaft | 486 |
5 |
| Tata Steel Limited | 166 |
5 |
| Academia Sinica | 958 |
4 |
| Korea Hydro & Nuclear Power Co., Ltd. | 563 |
4 |
| Outotec Oyj | 235 |
4 |
| Refractory Intellectual Property GmbH & Co. KG | 569 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 721 |
3 |
| Hyundai Steel Company | 535 |
3 |
| Outokumpu Oyj | 265 |
3 |
| POSCO | 2142 |
3 |
| Other owners | 106 |