- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open sintering or like apparatus
- F27B 3/10 - Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces - Details, accessories, or equipment, e.g. dust-collectors, peculiar to hearth-type furnaces
Patent holdings for IPC class F27B 3/10
Total number of patents in this class: 97
10-year publication summary
|
9
|
18
|
6
|
8
|
7
|
6
|
10
|
6
|
4
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hatch Ltd. | 219 |
6 |
| ArcelorMittal | 1887 |
4 |
| ATI Properties LLC | 202 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
4 |
| Tata Steel Limited | 184 |
3 |
| ABB Schweiz AG | 6321 |
2 |
| Berry Metal Company | 52 |
2 |
| Digimet 2013, S.L. | 5 |
2 |
| Ergolines Lab S.r.l. | 21 |
2 |
| Hyundai Steel Company | 310 |
2 |
| Novelis Inc. | 656 |
2 |
| Pyrogenesis Canada, Inc. | 67 |
2 |
| Retech Systems LLC | 13 |
2 |
| SMS Siemag Aktiengesellschaft | 529 |
2 |
| Nsgi Steel Inc. | 5 |
2 |
| Eestech Europe Holdings BV | 5 |
2 |
| Metso Metals Oy | 205 |
2 |
| FUJIFILM Corporation | 27102 |
1 |
| Corning Incorporated | 9932 |
1 |
| ABB Research Ltd. | 953 |
1 |
| Other owners | 49 |