- 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: 318
10-year publication summary
|
29
|
18
|
19
|
14
|
19
|
19
|
30
|
29
|
27
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6672 |
10 |
| Tokyo Electron Limited | 12340 |
8 |
| Illinois Tool Works Inc. | 11381 |
7 |
| Chugai Ro Co., Ltd. | 125 |
7 |
| POSCO | 2191 |
7 |
| Primetals Technologies Austria GmbH | 521 |
7 |
| ArcelorMittal | 2124 |
6 |
| IHI Corporation | 3379 |
5 |
| Applied Materials, Inc. | 18322 |
4 |
| IHI Machinery and Furnace Co., Ltd. | 78 |
4 |
| ThyssenKrupp AG | 3237 |
4 |
| ThyssenKrupp Steel Europe AG | 952 |
4 |
| NGK Insulators, Ltd. | 4853 |
3 |
| Toray Industries, Inc. | 6840 |
3 |
| Shimadzu Corporation | 6105 |
3 |
| Hatch Ltd. | 211 |
3 |
| Korea Institute of Industrial Technology | 1009 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3873 |
3 |
| Linde Aktiengesellschaft | 1534 |
3 |
| Osaka Gas Co., Ltd. | 314 |
3 |
| Other owners | 221 |