Patent holdings for IPC class B03B 7/00

Total number of patents in this class: 343

10-year publication summary

21
22
23
34
19
34
25
24
28
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
China University of Mining and Technology
1310
17
Cidra Corporate Services, LLC
100
8
Guangdong Brunp Recycling Technology Co., Ltd
1267
6
Hunan Brunp Recycling Technology Co., Ltd.
1226
6
Metso Finland Oy
688
6
Gem Co., Ltd.
356
5
Vale S.A.
262
5
Anglo American Technical & Sustainability Services Ltd
70
5
PT Qmb New Energy Materials
253
5
Zhengzhou Non-Ferrous Metals Research Institute Co.Ltd of Chalco
80
5
CDE Global Limited
70
4
Outotec (Finland) Oy
455
4
Sociedad Quimica y Minera de Chile S.A.
14
4
Sinosteel Maanshan General Institute of Mining Research Co., Ltd
41
4
Halliburton Energy Services, Inc.
21320
3
Siemens AG
24020
3
Extrakt Process Solutions LLC
40
3
Kunming University of Science and Technology
245
3
Shandong University of Science and Technology
545
3
Sumitomo Metal Mining Co., Ltd.
1978
3
Other owners 241