Patent holdings for IPC class C01B 3/30

Total number of patents in this class: 120

10-year publication summary

3
2
2
5
6
9
13
13
24
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
BASF SE
21126
10
Mitsubishi Heavy Industries, Ltd.
8948
8
Hazer Group Ltd
17
6
IHI Corporation
3491
6
ThyssenKrupp AG
3382
6
Mitsubishi Power, Ltd.
1816
6
Chevron U.S.A. Inc.
4043
5
Saudi Arabian Oil Company
13791
4
ExxonMobil Technology and Engineering Company
1209
4
Pact Fuel, LLC
9
4
Sumitomo Chemical Company, Limited
9040
3
Linde Aktiengesellschaft
1465
3
National Institute of Technology
101
3
ThyssenKrupp Industrial Solutions AG
632
3
ThyssenKrupp Uhde GmbH
356
3
Shell Internationale Research Maatschappij B.V.
3514
2
The Board of Trustees of the Leland Stanford Junior University
6581
2
Uop LLC
4264
2
Aramco Services Company
4145
2
Susteon Inc.
25
2
Other owners 36