- 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
|
9
|
12
|
3
|
4
|
3
|
2
|
1
|
3
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Outotec (Finland) Oy | 458 |
13 |
| Outotec Oyj | 246 |
10 |
| Paul Wurth S.A. | 428 |
10 |
| POSCO | 2154 |
7 |
| Metso Metals Oy | 216 |
5 |
| Metso Metals Oy | 44 |
5 |
| Metso Minerals Industries, Inc. | 48 |
3 |
| Metso USA, Inc. | 166 |
3 |
| Paul Wurth Deutschland GmbH | 26 |
3 |
| Illinois Tool Works Inc. | 11698 |
2 |
| Air Products and Chemicals, Inc. | 1461 |
2 |
| GKN Sinter Metals Holding GmbH | 40 |
2 |
| Paul Wurth Refractory & Engineering GmbH | 12 |
2 |
| Primetals Technologies Austria GmbH | 563 |
2 |
| Industrial Technology Research Institute | 5071 |
1 |
| Siemens VAI Metals Technologies GmbH | 209 |
1 |
| ArcelorMittal | 2490 |
1 |
| General Electric Technology GmbH | 1354 |
1 |
| JFE Steel Corporation | 7235 |
1 |
| Johns Manville | 934 |
1 |
| Other owners | 8 |