- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/20 - Furnaces through which the charge is moved mechanically, e.g. of tunnel type Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatmentFurnaces through which the charge is moved mechanically, e.g. of tunnel type Similar furnaces in which the charge moves by gravity characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
Patent holdings for IPC class F27B 9/20
Total number of patents in this class: 107
10-year publication summary
11
|
4
|
9
|
4
|
8
|
5
|
19
|
7
|
4
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
IHI Corporation | 3375 |
7 |
Fives Stein | 102 |
6 |
Illinois Tool Works Inc. | 11378 |
5 |
Cerco LLC | 4 |
3 |
SMS Group GmbH | 1088 |
3 |
Murata Manufacturing Co., Ltd. | 24102 |
2 |
Air Products and Chemicals, Inc. | 1386 |
2 |
Chugai Ro Co., Ltd. | 125 |
2 |
extrutec GmbH | 9 |
2 |
IHI Machinery and Furnace Co., Ltd. | 78 |
2 |
Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | 549 |
2 |
Tubos de Acero de Mexico, S.A. | 8 |
2 |
University of Maryland, College Park | 984 |
2 |
N. Bättenhausen Industrielle Wärme-und Elektrotechnik GmbH | 2 |
2 |
Ghi Hornos Industriales S.L. | 6 |
2 |
Linde GmbH | 1242 |
2 |
Suzhou Zhongmenzi Industrial Furnace Technology Co., Ltd. | 19 |
2 |
Quantumscape Battery, Inc. | 183 |
2 |
ANDRITZ Metals Germany GmbH | 19 |
2 |
NGK Insulators, Ltd. | 4846 |
1 |
Other owners | 54 |