Patent holdings for IPC class C01B 7/01

Total number of patents in this class: 134

10-year publication summary

12
10
12
5
11
9
6
9
13
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
SGL Carbon SE
412
6
Lone Gull Holdings, Ltd.
156
5
Jiangnan Environmental Protection Group Inc.
57
5
Schlumberger Technology Corporation
11981
3
Sumitomo Chemical Company, Limited
8992
3
Andritz AG
248
3
NuScale Power, LLC
313
3
AEM Technologies Inc.
36
3
Venture Lending & Leasing VIII, Inc.
15
3
California Institute of Technology
4044
2
Showa Denko K.K.
2050
2
Vapor Technologies, Inc.
61
2
Clean Chemistry, Inc.
41
2
Korea Institute of Machinery & Materials
804
2
Wme Gesellschaft für Windkraftbetriebene Meerwasserentsalzung mbH
3
2
Avantium Knowledge Centre B.V.
151
2
Tenova Advanced Technologies Ltd.
17
2
Lithium Ark Holding B.V.
4
2
Dioxycle
87
2
Mironova Labs, Inc.
4
2
Other owners 78