- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 1/16 - Arrangements of tuyères
Patent holdings for IPC class F27B 1/16
Total number of patents in this class: 121
10-year publication summary
|
6
|
6
|
9
|
2
|
4
|
1
|
8
|
7
|
7
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Paul Wurth S.A. | 419 |
29 |
| ArcelorMittal | 2344 |
7 |
| JFE Steel Corporation | 6992 |
7 |
| Tecnored Desenvolvimento Tecnologico S.A. | 34 |
4 |
| Paul Wurth Deutschland GmbH | 26 |
4 |
| Berry Metal Company | 52 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4008 |
3 |
| Paul Wurth Refractory & Engineering GmbH | 12 |
3 |
| ThyssenKrupp AG | 3317 |
3 |
| Siemens VAI Metals Technologies GmbH | 219 |
2 |
| Air Liquide Deutschland G.m.b.H | 62 |
2 |
| Glencore Technology Pty Ltd | 51 |
2 |
| Kuettner GmbH & Co. KG | 5 |
2 |
| Maerz Ofenbau AG | 44 |
2 |
| Nippon Steel Corporation | 6405 |
2 |
| POSCO | 2178 |
2 |
| S.A. Lhoist Recherche et Developpement | 175 |
2 |
| Technological Resources Pty. Limited | 446 |
2 |
| Hybrit Development AB | 62 |
2 |
| Paul Wurth Deutschland GmbH | 2 |
2 |
| Other owners | 36 |