Patent holdings for IPC class C01B 3/44

Total number of patents in this class: 68

10-year publication summary

5
4
3
3
8
3
6
6
6
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
SK Innovation Co., Ltd.
1426
4
Totalenergies Onetech
1492
4
Gas Technology Institute
339
3
Saudi Arabian Oil Company
13937
3
ThermoChem Recovery International, Inc.
99
3
ZEG Power AS
31
3
IFP Energies Nouvelles
3026
2
The Japan Steel Works, Ltd.
788
2
National University Corporation Kitami Institute of Technology
24
2
Petroleo Brasileiro S.A. - Petrobras
926
2
Total SA
479
2
Radical Plastics Inc.
17
2
TotalEnergies SE
560
2
Pure Sustainable Technologies, LLC
2
2
Carbon Engineering ULC
64
2
OMC Hydrogen, Inc.
2
2
The Board of Trustees of the Leland Stanford Junior University
6605
1
Uop LLC
4296
1
1304338 Alberta Ltd.
88
1
Aramco Services Company
4168
1
Other owners 24