Patent holdings for IPC class C01B 31/00

Total number of patents in this class: 585

10-year publication summary

27
10
1
2
1
0
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF Mobile Emissions Catalysts LLC
425
14
Honeywell International Inc.
12770
11
Dow Global Technologies LLC
11008
9
Global Graphene Group, Inc.
249
9
BASF SE
21320
8
Johnson Matthey Public Limited Company
1767
8
William Marsh Rice University
1078
8
Hon Hai Precision Industry Co., Ltd.
4013
7
Tsinghua University
6238
7
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
1852
7
Umicore AG & Co. KG
850
7
Samsung SDI Co., Ltd.
10745
6
Heraeus Quarzglas GmbH & Co. KG
416
6
UT-Battelle, LLC
1519
6
Sharp Corporation
10847
5
Applied Nanostructured Solutions, LLC
94
5
Corning Incorporated
10518
5
Energ2 Technologies, Inc.
25
5
GrafTech International Holdings Inc.
111
5
Group14 Technologies, Inc.
121
5
Other owners 442