- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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 3/18 - Charging particulate material using a fluid carrier
Patent holdings for IPC class F27D 3/18
Total number of patents in this class: 153
10-year publication summary
|
18
|
19
|
10
|
10
|
9
|
5
|
15
|
7
|
6
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Metso Metals Oy | 205 |
13 |
| ArcelorMittal | 1887 |
12 |
| Tata Steel Limited | 184 |
11 |
| Technological Resources Pty. Limited | 444 |
11 |
| Mitsubishi Materials Corporation | 2378 |
10 |
| Outotec (Finland) Oy | 491 |
7 |
| Pan Pacific Copper Co., Ltd. | 31 |
6 |
| Outotec Oyj | 318 |
5 |
| Paul Wurth S.A. | 392 |
5 |
| Primetals Technologies Austria GmbH | 479 |
5 |
| Siemens VAI Metals Technologies GmbH | 233 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 680 |
4 |
| JFE Steel Corporation | 6067 |
4 |
| SMS Group GmbH | 1029 |
4 |
| Hatch Ltd. | 219 |
3 |
| Automotive Components Floby AB | 10 |
3 |
| Toyota Motor Corporation | 28582 |
2 |
| Berry Metal Company | 52 |
2 |
| Diamond Engineering Co., Ltd. | 13 |
2 |
| Electric Power Development Co., Ltd. | 73 |
2 |
| Other owners | 38 |