- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F27B - Furnaces, kilns, ovens, or retorts in general; open 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: 139
10-year publication summary
|
9
|
11
|
6
|
11
|
10
|
10
|
17
|
14
|
16
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fives Stein | 96 |
8 |
| Illinois Tool Works Inc. | 11152 |
7 |
| Corning Incorporated | 9932 |
6 |
| NGK Insulators, Ltd. | 4589 |
5 |
| NGK Kilntech, Corporation | 14 |
5 |
| Andritz Technology and Asset Management GmbH | 89 |
3 |
| Chugai Ro Co., Ltd. | 124 |
2 |
| Drever International S.A. | 9 |
2 |
| Ebner Industrieofenbau GmbH | 132 |
2 |
| Guangdong Brunp Recycling Technology Co., Ltd | 674 |
2 |
| Hatch Ltd. | 219 |
2 |
| Hatco Corporation | 117 |
2 |
| Hunan Brunp Recycling Technology Co., Ltd. | 622 |
2 |
| KHS GmbH | 1381 |
2 |
| Primetals Technologies Japan, Ltd. | 143 |
2 |
| Redex | 24 |
2 |
| Research Institute of Industrial Science & Technology | 378 |
2 |
| Sacmi Forni S.p.A. | 7 |
2 |
| Schwartz GmbH | 58 |
2 |
| SMS Group GmbH | 1029 |
2 |
| Other owners | 77 |