- 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: 244
10-year publication summary
|
8
|
16
|
22
|
24
|
22
|
12
|
16
|
12
|
9
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paul Wurth S.A. | 418 |
27 |
| Berry Metal Company | 52 |
19 |
| Systems Spray Cooled, Inc. | 50 |
16 |
| Amerifab, Inc. | 49 |
11 |
| Macrae Technologies, Inc | 14 |
10 |
| Hatch Ltd. | 213 |
8 |
| ArcelorMittal | 2272 |
6 |
| Paul Wurth Deutschland GmbH | 24 |
6 |
| Outotec Oyj | 279 |
5 |
| Refractory Intellectual Property GmbH & Co. KG | 541 |
5 |
| SMS Siemag Aktiengesellschaft | 505 |
5 |
| Tata Steel Limited | 175 |
5 |
| Korea Hydro & Nuclear Power Co., Ltd. | 456 |
4 |
| Academia Sinica | 937 |
3 |
| Air Liquide Advanced Technologies U.S. LLC | 89 |
3 |
| Danieli & C. Officine Meccaniche S.p.A. | 716 |
3 |
| Hyundai Steel Company | 426 |
3 |
| Outokumpu Oyj | 261 |
3 |
| POSCO | 2186 |
3 |
| Primetals Technologies, Limited | 32 |
3 |
| Other owners | 96 |