- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 1/28 - Arrangements of monitoring devices, of indicators, of alarm devices
Patent holdings for IPC class F27B 1/28
Total number of patents in this class: 75
10-year publication summary
|
2
|
5
|
6
|
8
|
4
|
6
|
9
|
6
|
10
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6849 |
10 |
| Tata Steel Limited | 174 |
6 |
| ArcelorMittal | 2293 |
5 |
| POSCO | 2186 |
5 |
| ThyssenKrupp AG | 3291 |
3 |
| TMT - Tapping Measuring Technology SARL | 32 |
3 |
| ExxonMobil Chemical Patents Inc. | 3977 |
2 |
| Harbisonwalker International, Inc. | 205 |
2 |
| Maerz Ofenbau AG | 44 |
2 |
| PaneraTech, Inc. | 33 |
2 |
| Primetals Technologies Austria GmbH | 536 |
2 |
| Tata Steel Ijmuiden B.V. | 311 |
2 |
| GPCP IP Holdings LLC | 1637 |
2 |
| Imertech SAS | 230 |
2 |
| Excello Co., Ltd. | 10 |
2 |
| Cemgreen ApS | 13 |
2 |
| Siemens VAI Metals Technologies GmbH | 222 |
1 |
| ASM IP Holding B.V. | 2083 |
1 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 42 |
1 |
| Chongqing University | 275 |
1 |
| Other owners | 19 |