Patent holdings for IPC class C22B 1/24

Total number of patents in this class: 561

10-year publication summary

34
44
19
27
19
34
58
74
88
59
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sumitomo Metal Mining Co., Ltd.
1978
19
S.A. Lhoist Recherche et Developpement
205
17
Vale S.A.
262
16
Outotec (Finland) Oy
455
12
Carbon Technology Holdings, LLC
233
11
Guangdong Brunp Recycling Technology Co., Ltd
1267
10
Hunan Brunp Recycling Technology Co., Ltd.
1226
10
Tecnored Desenvolvimento Tecnologico S.A.
43
10
JFE Steel Corporation
7549
9
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2836
9
MM Metals USA, LLC
14
9
Technological Resources Pty. Limited
442
8
Worcester Polytechnic Institute
541
8
Metso Metals Oy
43
8
BASF SE
21308
7
ArcelorMittal
2680
6
Maschinenfabrik Köppern GmbH & Co. KG
77
6
Nippon Steel Corporation
6895
6
SABIC Global Technologies B.V.
4599
6
Hybrit Development AB
74
6
Other owners 368