- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 3/14 - Arrangements of linings
Patent holdings for IPC class F27B 3/14
Total number of patents in this class: 50
10-year publication summary
|
7
|
2
|
5
|
3
|
1
|
3
|
5
|
7
|
4
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Refractory Intellectual Property GmbH & Co. KG | 561 |
6 |
| Academia Sinica | 954 |
3 |
| Berry Metal Company | 50 |
3 |
| Harbisonwalker International Holdings, Inc. | 54 |
3 |
| Limelight Steel Inc. | 9 |
3 |
| Amerifab, Inc. | 52 |
2 |
| Hatch Ltd. | 220 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4071 |
2 |
| Nippon Steel Corporation | 6751 |
2 |
| Saint-Gobain Isover | 668 |
2 |
| Sumitomo Metal Mining Co., Ltd. | 1945 |
2 |
| Vesuvius USA Corporation | 93 |
2 |
| ATI Properties LLC | 199 |
1 |
| JFE Steel Corporation | 7407 |
1 |
| JNC Corporation | 1540 |
1 |
| JX Nippon Mining & Metals Corporation | 1463 |
1 |
| Mitsui Mining & Smelting Co., Ltd. | 1369 |
1 |
| Nichias Corporation | 401 |
1 |
| Outokumpu Oyj | 260 |
1 |
| Paul Wurth S.A. | 432 |
1 |
| Other owners | 10 |