Patent holdings for IPC class C22B 1/24

Total number of patents in this class: 421

10-year publication summary

33
34
44
19
27
19
33
57
72
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Sumitomo Metal Mining Co., Ltd.
1726
16
S.A. Lhoist Recherche et Developpement
168
14
Vale S.A.
264
14
Outotec (Finland) Oy
489
12
Guangdong Brunp Recycling Technology Co., Ltd
971
10
Hunan Brunp Recycling Technology Co., Ltd.
928
10
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2905
10
Carbon Technology Holdings, LLC
199
10
Metso Metals Oy
223
10
SABIC Global Technologies B.V.
4193
7
Worcester Polytechnic Institute
474
7
MM Metals USA, LLC
12
7
Technological Resources Pty. Limited
443
6
Tecnored Desenvolvimento Tecnologico S.A.
30
6
Hunan Brunp EV Recycling Co., Ltd.
362
6
Nippon Steel Corporation
5991
5
Paul Wurth S.A.
408
5
POSCO
2204
5
BASF SE
20387
4
Saudi Basic Industries Corporation
591
4
Other owners 253