Patent holdings for IPC class C01B 3/28

Total number of patents in this class: 47

10-year publication summary

2
2
0
2
1
3
4
1
6
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF SE
21134
11
ThyssenKrupp AG
3393
5
Linde Aktiengesellschaft
1459
4
Ohio State Innovation Foundation
2262
4
Chevron U.S.A. Inc.
4048
3
ThyssenKrupp Uhde GmbH
361
3
Hazer Group Ltd
17
2
ThyssenKrupp Industrial Solutions AG
631
2
The Regents of the University of California
20378
1
ExxonMobil Research And Engineering Company
2497
1
Uop LLC
4273
1
Bestrong International Limited
4
1
Cool Planet Energy Systems, Inc.
44
1
Czero, Inc.
45
1
Gasplas AS
4
1
IFP Energies Nouvelles
3006
1
SABIC Global Technologies B.V.
4451
1
Total Raffinage Chimie
132
1
U.S. Venture, Inc.
81
1
ExxonMobil Technology and Engineering Company
1236
1
Other owners 1