- 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: 132
10-year publication summary
|
6
|
9
|
6
|
4
|
1
|
11
|
8
|
12
|
8
|
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 |
30 |
| ArcelorMittal | 2554 |
12 |
| JFE Steel Corporation | 7378 |
7 |
| Tecnored Desenvolvimento Tecnologico S.A. | 39 |
4 |
| Paul Wurth Deutschland GmbH | 26 |
4 |
| Berry Metal Company | 50 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4066 |
3 |
| Paul Wurth Refractory & Engineering GmbH | 12 |
3 |
| S.A. Lhoist Recherche et Developpement | 196 |
3 |
| Siemens VAI Metals Technologies GmbH | 206 |
2 |
| Air Liquide Deutschland G.m.b.H | 52 |
2 |
| Glencore Technology Pty Ltd | 53 |
2 |
| Insa (institut National des Sciences Appliquees) de Rouen | 3 |
2 |
| Kuettner GmbH & Co. KG | 5 |
2 |
| Maerz Ofenbau AG | 50 |
2 |
| Nippon Steel Corporation | 6738 |
2 |
| POSCO | 2153 |
2 |
| SunCoke Technology and Development LLC | 246 |
2 |
| Technological Resources Pty. Limited | 438 |
2 |
| ThyssenKrupp Steel Europe AG | 985 |
2 |
| Other owners | 41 |