- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 3/00 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces
Patent holdings for IPC class F27B 3/00
Total number of patents in this class: 30
10-year publication summary
|
1
|
0
|
3
|
0
|
0
|
2
|
1
|
2
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Carbontec Energy Corporation | 5 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4117 |
2 |
| Newsouth Innovations Pty Limited | 619 |
2 |
| Nu-Iron Technology, LLC | 29 |
2 |
| Saint-Gobain Isover | 678 |
2 |
| AGC Glass Europe | 1178 |
1 |
| Cisdi Engineering Co., Ltd. | 107 |
1 |
| DeguDent GmbH | 204 |
1 |
| DENTSPLY SIRONA Inc. | 1818 |
1 |
| Durferrit GmbH | 39 |
1 |
| Herlogas, S.A. | 2 |
1 |
| Kappes, Cassiday & Associates | 9 |
1 |
| Novelis Inc. | 106 |
1 |
| Novelis Inc. | 779 |
1 |
| Osaka Gas Co., Ltd. | 315 |
1 |
| Process Technology International, Inc. | 3 |
1 |
| Tata Steel Limited | 162 |
1 |
| Wroclawskie Centrum Badan Eit+ Sp. z o.o. | 38 |
1 |
| China ENFI Engineering Corp. | 109 |
1 |
| Instytut Niskich Temperatur I Badan Strukturalnych | 4 |
1 |
| Other owners | 5 |