- 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: 150
10-year publication summary
|
13
|
10
|
12
|
6
|
7
|
10
|
17
|
18
|
11
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Illinois Tool Works Inc. | 11396 |
8 |
| IHI Corporation | 3408 |
6 |
| Koyo Thermo Systems Co., Ltd. | 23 |
4 |
| Andritz Technology and Asset Management GmbH | 90 |
4 |
| Fives Stein | 102 |
4 |
| IHI Machinery and Furnace Co., Ltd. | 78 |
4 |
| NGK Insulators, Ltd. | 4920 |
3 |
| King Yuan Dar Metal Enterprise Co., Ltd. | 6 |
3 |
| Ultra High Temperature Processes Ltd | 8 |
3 |
| Murata Manufacturing Co., Ltd. | 24342 |
2 |
| Hyundai Motor Company | 21626 |
2 |
| Air Products and Chemicals, Inc. | 1401 |
2 |
| Cockerill Maintenance & Ingenierie SA | 80 |
2 |
| Commonwealth Scientific and Industrial Research Organisation | 1643 |
2 |
| Danieli & C. Officine Meccaniche S.p.A. | 709 |
2 |
| Ebner Industrieofenbau GmbH | 142 |
2 |
| extrutec GmbH | 9 |
2 |
| Gestamp HardTech AB | 107 |
2 |
| Kanto Yakin Kogyo Co., Ltd. | 20 |
2 |
| Nippon Piston Ring Co., Ltd. | 134 |
2 |
| Other owners | 89 |