- 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: 375
10-year publication summary
|
18
|
19
|
14
|
19
|
19
|
33
|
29
|
29
|
32
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JFE Steel Corporation | 7589 |
12 |
| Tokyo Electron Limited | 13871 |
10 |
| Primetals Technologies Austria GmbH | 577 |
8 |
| Illinois Tool Works Inc. | 11862 |
7 |
| Chugai Ro Co., Ltd. | 131 |
7 |
| POSCO | 2141 |
7 |
| ArcelorMittal | 2714 |
6 |
| ThyssenKrupp Steel Europe AG | 995 |
6 |
| IHI Corporation | 3527 |
5 |
| Applied Materials, Inc. | 20467 |
4 |
| Corning Incorporated | 10504 |
4 |
| Toray Industries, Inc. | 7139 |
4 |
| IHI Machinery and Furnace Co., Ltd. | 76 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
4 |
| ThyssenKrupp AG | 3353 |
4 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 303 |
4 |
| NGK Insulators, Ltd. | 5200 |
3 |
| Shimadzu Corporation | 6364 |
3 |
| Hatch Ltd. | 221 |
3 |
| Korea Institute of Industrial Technology | 1032 |
3 |
| Other owners | 267 |