- 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: 264
10-year publication summary
14
|
29
|
18
|
19
|
14
|
19
|
18
|
27
|
26
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Illinois Tool Works Inc. | 11152 |
7 |
Chugai Ro Co., Ltd. | 124 |
7 |
JFE Steel Corporation | 6067 |
7 |
POSCO | 2222 |
7 |
Primetals Technologies Austria GmbH | 479 |
7 |
Tokyo Electron Limited | 11599 |
6 |
ArcelorMittal | 1887 |
5 |
IHI Corporation | 3268 |
5 |
Applied Materials, Inc. | 16587 |
4 |
IHI Machinery and Furnace Co., Ltd. | 79 |
4 |
ThyssenKrupp Steel Europe AG | 924 |
4 |
Hewlett-Packard Development Company, L.P. | 28538 |
3 |
NGK Insulators, Ltd. | 4589 |
3 |
Toray Industries, Inc. | 6652 |
3 |
Hatch Ltd. | 219 |
3 |
Korea Institute of Industrial Technology | 994 |
3 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
3 |
Linde Aktiengesellschaft | 1600 |
3 |
Osaka Gas Co., Ltd. | 312 |
3 |
Pan Pacific Copper Co., Ltd. | 31 |
3 |
Other owners | 174 |