Patent holdings for IPC class C01B 3/28

Total number of patents in this class: 52

10-year publication summary

2
2
0
2
1
3
5
1
6
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF SE
21113
12
ThyssenKrupp AG
3458
6
Linde Aktiengesellschaft
1435
4
Ohio State Innovation Foundation
2308
4
ThyssenKrupp Uhde GmbH
375
4
Chevron U.S.A. Inc.
4081
3
Czero, Inc.
37
2
Hazer Group Ltd
17
2
ThyssenKrupp Industrial Solutions AG
630
2
The Regents of the University of California
20534
1
ExxonMobil Research And Engineering Company
2468
1
Uop LLC
4309
1
Cool Planet Energy Systems, Inc.
44
1
Gasplas AS
4
1
IFP Energies Nouvelles
3031
1
IHI Corporation
3514
1
InEnTec Inc.
35
1
SABIC Global Technologies B.V.
4487
1
Total Raffinage Chimie
132
1
U.S. Venture, Inc.
80
1
Other owners 2