Patent holdings for IPC class C01B 3/36

Total number of patents in this class: 785

10-year publication summary

38
44
35
43
35
57
45
70
63
21
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
14161
35
Air Products and Chemicals, Inc.
1468
34
Praxair Technology, Inc.
1224
34
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4113
32
BASF SE
21313
28
Casale SA
634
22
Shell Internationale Research Maatschappij B.V.
3407
19
Eastman Chemical Company
2083
12
Kellogg Brown & Root LLC
527
12
Linde Aktiengesellschaft
1426
12
Topsoe A/S
1041
12
Shell Oil Company
2075
10
IHI Corporation
3532
9
8 Rivers Capital, LLC
232
8
Watt Fuel Cell Corp.
171
8
Uop LLC
4394
7
Iogen Corporation
159
7
Velocys Technologies Limited
76
7
Enerday GmbH
76
6
Grannus, LLC
14
6
Other owners 465