- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 21/06 - Endless-strand sintering machines
Patent holdings for IPC class F27B 21/06
Total number of patents in this class: 83
10-year publication summary
|
3
|
11
|
12
|
4
|
5
|
5
|
2
|
1
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Outotec (Finland) Oy | 480 |
13 |
| Outotec Oyj | 279 |
10 |
| Paul Wurth S.A. | 418 |
9 |
| POSCO | 2186 |
7 |
| Metso Metals Oy | 202 |
5 |
| Metso Minerals Industries, Inc. | 56 |
4 |
| Metso Metals Oy | 25 |
4 |
| Paul Wurth Deutschland GmbH | 24 |
3 |
| Illinois Tool Works Inc. | 11454 |
2 |
| Siemens VAI Metals Technologies GmbH | 222 |
2 |
| Air Products and Chemicals, Inc. | 1417 |
2 |
| GKN Sinter Metals Holding GmbH | 40 |
2 |
| Paul Wurth Refractory & Engineering GmbH | 12 |
2 |
| Primetals Technologies Austria GmbH | 531 |
2 |
| Metso Outotec USA Inc. | 84 |
2 |
| Industrial Technology Research Institute | 5085 |
1 |
| ArcelorMittal | 2272 |
1 |
| General Electric Technology GmbH | 1371 |
1 |
| JFE Steel Corporation | 6816 |
1 |
| Johns Manville | 953 |
1 |
| Other owners | 9 |