Patent holdings for IPC class C01B 31/00

Total number of patents in this class: 607

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
429
14
Honeywell International Inc.
13583
12
Dow Global Technologies LLC
10740
9
Global Graphene Group, Inc.
248
9
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
1821
9
William Marsh Rice University
1058
9
BASF SE
21131
8
Hon Hai Precision Industry Co., Ltd.
4006
8
Tsinghua University
6089
8
Johnson Matthey Public Limited Company
1733
8
Umicore AG & Co. KG
861
7
Samsung SDI Co., Ltd.
9481
6
Heraeus Quarzglas GmbH & Co. KG
412
6
Umicore Shokubai Japan Co., Ltd.
80
6
UT-Battelle, LLC
1495
6
Sharp Corporation
10394
5
Applied Nanostructured Solutions, LLC
94
5
Corning Incorporated
10405
5
Energ2 Technologies, Inc.
25
5
GrafTech International Holdings Inc.
110
5
Other owners 457