- 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 3/10 - Charging directly from hoppers or shoots
Patent holdings for IPC class F27D 3/10
Total number of patents in this class: 139
10-year publication summary
9
|
9
|
11
|
11
|
11
|
5
|
10
|
9
|
2
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Paul Wurth S.A. | 392 |
47 |
JFE Steel Corporation | 6067 |
12 |
Danieli & C. Officine Meccaniche S.p.A. | 680 |
10 |
POSCO | 2222 |
7 |
HYL Technologies, S.A. de C.V. | 41 |
5 |
Siemens VAI Metals Technologies GmbH | 233 |
3 |
Primetals Technologies Austria GmbH | 479 |
3 |
Pyrotek, Inc. | 193 |
3 |
Siemens VAI Metals Technologies, Ltd. | 20 |
3 |
Siemens AG | 24990 |
2 |
Clean Energy Technology Association, Inc. | 8 |
2 |
Hatch Pty Ltd | 11 |
2 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
2 |
Nippon Electrode Company, Ltd. | 14 |
2 |
Sinfonia Technology Co., Ltd. | 247 |
2 |
Hybrit Development AB | 38 |
2 |
Tdco GmbH | 2 |
2 |
Aisin Takaoka Co., Ltd. | 101 |
1 |
Asahi Glass Company, Limited | 2985 |
1 |
Areva NC | 135 |
1 |
Other owners | 27 |