- 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 7/02 - Supplying steam, vapour, gases or liquids
Patent holdings for IPC class F27D 7/02
Total number of patents in this class: 364
10-year publication summary
|
18
|
18
|
11
|
18
|
15
|
31
|
26
|
26
|
30
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7339 |
12 |
| Tokyo Electron Limited | 13513 |
10 |
| Illinois Tool Works Inc. | 11722 |
7 |
| Chugai Ro Co., Ltd. | 128 |
7 |
| POSCO | 2155 |
7 |
| Primetals Technologies Austria GmbH | 565 |
7 |
| ArcelorMittal | 2525 |
6 |
| ThyssenKrupp Steel Europe AG | 984 |
6 |
| IHI Corporation | 3516 |
5 |
| Applied Materials, Inc. | 19999 |
4 |
| Toray Industries, Inc. | 7036 |
4 |
| IHI Machinery and Furnace Co., Ltd. | 79 |
4 |
| ThyssenKrupp AG | 3463 |
4 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 298 |
4 |
| Corning Incorporated | 10420 |
3 |
| NGK Insulators, Ltd. | 5186 |
3 |
| Shimadzu Corporation | 6305 |
3 |
| Hatch Ltd. | 220 |
3 |
| Korea Institute of Industrial Technology | 1019 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4050 |
3 |
| Other owners | 259 |