- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27B - Furnaces, kilns, ovens or retorts in generalopen sintering or like apparatus
- F27B 9/12 - Furnaces through which the charge is moved mechanically, e.g. of tunnel type Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
Patent holdings for IPC class F27B 9/12
Total number of patents in this class: 166
10-year publication summary
|
10
|
12
|
6
|
7
|
10
|
17
|
20
|
12
|
14
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11862 |
11 |
| IHI Corporation | 3527 |
6 |
| NGK Insulators, Ltd. | 5200 |
4 |
| Koyo Thermo Systems Co., Ltd. | 21 |
4 |
| Andritz Technology and Asset Management GmbH | 78 |
4 |
| Fives Stein | 107 |
4 |
| IHI Machinery and Furnace Co., Ltd. | 76 |
4 |
| Danieli & C. Officine Meccaniche S.p.A. | 719 |
3 |
| extrutec GmbH | 10 |
3 |
| King Yuan Dar Metal Enterprise Co., Ltd. | 4 |
3 |
| Technological Resources Pty. Limited | 442 |
3 |
| Ultra High Temperature Processes Ltd | 8 |
3 |
| Murata Manufacturing Co., Ltd. | 25809 |
2 |
| Hyundai Motor Company | 24808 |
2 |
| Air Products and Chemicals, Inc. | 1469 |
2 |
| Cockerill Maintenance & Ingenierie SA | 79 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1648 |
2 |
| Ebner Industrieofenbau GmbH | 142 |
2 |
| Gestamp HardTech AB | 94 |
2 |
| Kanto Yakin Kogyo Co., Ltd. | 20 |
2 |
| Other owners | 98 |