- 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 3/04 - Ram or pusher apparatus
Patent holdings for IPC class F27D 3/04
Total number of patents in this class: 32
10-year publication summary
|
6
|
1
|
4
|
2
|
1
|
0
|
0
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JP Steel Plantech Co. | 82 |
3 |
| EnTech - Renewable Energy Solutions Pty Ltd | 2 |
2 |
| Fuchs Technology Holding AG | 6 |
2 |
| IHI Corporation | 3414 |
2 |
| IHI Machinery and Furnace Co., Ltd. | 78 |
2 |
| Owens-Brockway Glass Container Inc. | 760 |
2 |
| Research Institute of Industrial Science & Technology | 502 |
2 |
| Zhejiang Hailiang Co., Ltd. | 24 |
2 |
| Siemens AG | 24525 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10922 |
1 |
| Ajax Tocco Magnethermic Corporation | 99 |
1 |
| Cockerill Maintenance & Ingenierie SA | 80 |
1 |
| Inductoheat, Inc. | 49 |
1 |
| INTECO Special Melting Technologies GmbH | 11 |
1 |
| Inter-power Corporation | 5 |
1 |
| Ipsen, Inc. | 27 |
1 |
| Ivoclar Vivadent AG | 1049 |
1 |
| JFE Steel Corporation | 6809 |
1 |
| Knauf Insulation SPRL | 173 |
1 |
| Presezzi Extrusion S.p.A. | 13 |
1 |
| Other owners | 3 |