Patent holdings for IPC class C01G 21/14

Total number of patents in this class: 13

10-year publication summary

1
1
1
1
2
0
0
0
2
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Marsulex Environmental Technologies Corporation
26
4
New Technology Ventures, Inc.
4
2
Beijing University of Chemical Technology
320
1
Chung-Hsin Electric and Machinery Manufacturing Corp.
5
1
ENGITEC S.r.l.
1
1
IFP Energies Nouvelles
2933
1
Jiangxi Rare Earth and Rare Metals Tungsten Group Holding Co., Ltd.
2
1
Linde Aktiengesellschaft
1502
1
Arelac, Inc.
102
1
Other owners 0