Patent holdings for IPC class C21B 3/08

Total number of patents in this class: 157

10-year publication summary

9
6
13
14
10
20
15
16
8
4
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Xi'an Jiaotong University
651
16
Paul Wurth S.A.
418
12
Baoshan Iron & Steel Co., Ltd.
959
10
Truyoins S.r.l.
8
8
Siemens Plc
71
5
JFE Steel Corporation
6809
5
Primetals Technologies Austria GmbH
530
5
Siemens AG
24525
4
Loesche GmbH
82
4
Radmat AG
19
4
Siemens VAI Metals Technologies GmbH
222
3
ArcelorMittal
2271
3
Tenova S.p.A.
156
3
G.a.p. S.p.A.
6
2
Midrex Technologies, Inc.
109
2
POSCO
2188
2
Shandong University
1029
2
Uvån Holding AB
16
2
CICSA S.r.l.
10
2
Qingdao DaNeng Environmental Protection Equipment Co., Ltd.
6
2
Other owners 61