- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/40 - Arrangements of controlling or monitoring devices
Patent holdings for IPC class F27B 9/40
Total number of patents in this class: 161
10-year publication summary
|
11
|
6
|
11
|
10
|
10
|
17
|
14
|
17
|
16
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11409 |
8 |
| Fives Stein | 103 |
8 |
| Corning Incorporated | 10240 |
6 |
| NGK Insulators, Ltd. | 4929 |
5 |
| NGK Kilntech, Corporation | 24 |
5 |
| Andritz Technology and Asset Management GmbH | 90 |
3 |
| Ebner Industrieofenbau GmbH | 142 |
3 |
| SMS Group GmbH | 1113 |
3 |
| Quantumscape Battery, Inc. | 193 |
3 |
| ArcelorMittal | 2248 |
2 |
| Chugai Ro Co., Ltd. | 128 |
2 |
| Drever International S.A. | 8 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1191 |
2 |
| Hatch Ltd. | 213 |
2 |
| Hatco Corporation | 120 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1159 |
2 |
| The Japan Steel Works, Ltd. | 738 |
2 |
| KHS GmbH | 1415 |
2 |
| Marazzi Group S.r.l. | 71 |
2 |
| Primetals Technologies Austria GmbH | 525 |
2 |
| Other owners | 95 |