- 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: 385
10-year publication summary
|
29
|
34
|
28
|
28
|
22
|
22
|
27
|
16
|
25
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7660 |
14 |
| IHI Corporation | 3544 |
13 |
| Tokyo Electron Limited | 13956 |
11 |
| Quintus Technologies AB | 71 |
9 |
| Doggone Investment Co. LLC | 20 |
7 |
| Cockerill Maintenance & Ingenierie SA | 79 |
6 |
| IHI Machinery and Furnace Co., Ltd. | 76 |
6 |
| ONEJOON GmbH | 36 |
6 |
| Illinois Tool Works Inc. | 11894 |
5 |
| Applied Materials, Inc. | 20601 |
5 |
| NGK Insulators, Ltd. | 5170 |
5 |
| Primetals Technologies Austria GmbH | 579 |
5 |
| ThyssenKrupp Steel Europe AG | 996 |
5 |
| Rtx Corporation | 10199 |
5 |
| Murata Manufacturing Co., Ltd. | 25981 |
4 |
| Mitsubishi Chemical Corporation | 4757 |
4 |
| Air Products and Chemicals, Inc. | 1474 |
4 |
| ASM IP Holding B.V. | 2472 |
4 |
| Chugai Ro Co., Ltd. | 133 |
4 |
| Desktop Metal, Inc. | 237 |
4 |
| Other owners | 259 |