- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 297
10-year publication summary
|
29
|
18
|
19
|
14
|
19
|
19
|
29
|
28
|
26
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 6527 |
9 |
| Illinois Tool Works Inc. | 11379 |
7 |
| Tokyo Electron Limited | 12067 |
7 |
| Chugai Ro Co., Ltd. | 123 |
7 |
| POSCO | 2204 |
7 |
| Primetals Technologies Austria GmbH | 508 |
7 |
| ArcelorMittal | 2047 |
6 |
| IHI Corporation | 3354 |
5 |
| Applied Materials, Inc. | 17676 |
4 |
| IHI Machinery and Furnace Co., Ltd. | 78 |
4 |
| ThyssenKrupp AG | 3207 |
4 |
| ThyssenKrupp Steel Europe AG | 953 |
4 |
| Hewlett-Packard Development Company, L.P. | 27484 |
3 |
| NGK Insulators, Ltd. | 4782 |
3 |
| Toray Industries, Inc. | 6843 |
3 |
| Hatch Ltd. | 215 |
3 |
| Korea Institute of Industrial Technology | 1007 |
3 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3581 |
3 |
| Linde Aktiengesellschaft | 1553 |
3 |
| Osaka Gas Co., Ltd. | 320 |
3 |
| Other owners | 202 |