- 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: 79
10-year publication summary
|
6
|
6
|
8
|
6
|
7
|
9
|
8
|
11
|
5
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7407 |
12 |
| ArcelorMittal | 2572 |
6 |
| Tata Steel Limited | 162 |
6 |
| POSCO | 2153 |
5 |
| ThyssenKrupp AG | 3475 |
3 |
| TMT - Tapping Measuring Technology SARL | 32 |
3 |
| ExxonMobil Chemical Patents Inc. | 3811 |
2 |
| Harbisonwalker International, Inc. | 247 |
2 |
| Maerz Ofenbau AG | 50 |
2 |
| PaneraTech, Inc. | 33 |
2 |
| Primetals Technologies Austria GmbH | 570 |
2 |
| SunCoke Technology and Development LLC | 246 |
2 |
| Tata Steel Ijmuiden B.V. | 320 |
2 |
| GPCP IP Holdings LLC | 1543 |
2 |
| Imertech SAS | 240 |
2 |
| Excello Co., Ltd. | 10 |
2 |
| Cemgreen ApS | 14 |
2 |
| Siemens VAI Metals Technologies GmbH | 206 |
1 |
| ASM IP Holding B.V. | 2319 |
1 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 38 |
1 |
| Other owners | 19 |