- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F27D - Details or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace
- F27D 7/06 - Forming or maintaining special atmospheres or vacuum within heating chambers
Patent holdings for IPC class F27D 7/06
Total number of patents in this class: 350
10-year publication summary
|
38
|
29
|
34
|
28
|
28
|
22
|
21
|
25
|
15
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Corporation | 3414 |
14 |
| JFE Steel Corporation | 6809 |
14 |
| Tokyo Electron Limited | 12620 |
9 |
| Quintus Technologies AB | 65 |
9 |
| Cockerill Maintenance & Ingenierie SA | 80 |
6 |
| IHI Machinery and Furnace Co., Ltd. | 78 |
6 |
| Illinois Tool Works Inc. | 11450 |
5 |
| Applied Materials, Inc. | 18501 |
5 |
| NGK Insulators, Ltd. | 4944 |
5 |
| Air Products and Chemicals, Inc. | 1416 |
5 |
| Primetals Technologies Austria GmbH | 530 |
5 |
| ThyssenKrupp Steel Europe AG | 952 |
5 |
| Doggone Investment Co. LLC | 17 |
5 |
| Rtx Corporation | 9325 |
5 |
| Murata Manufacturing Co., Ltd. | 24444 |
4 |
| Mitsubishi Chemical Corporation | 4489 |
4 |
| ASM IP Holding B.V. | 2057 |
4 |
| Chugai Ro Co., Ltd. | 128 |
4 |
| Ipsen, Inc. | 27 |
4 |
| Panasonic Corporation | 20142 |
3 |
| Other owners | 229 |