Patent holdings for IPC class B01J 12/00

Total number of patents in this class: 558

10-year publication summary

23
39
40
43
33
49
50
35
42
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Watt Fuel Cell Corp.
164
29
SABIC Global Technologies B.V.
4288
12
Haldor Topsøe A/S
662
12
BASF SE
20777
10
Praxair Technology, Inc.
1311
10
Saudi Arabian Oil Company
12858
8
Dow Technology Investments LLC
272
7
Denki Kagaku Kogyo Kabushiki Kaisha
636
7
Topsoe A/S
876
7
Gastechno Corp.
32
7
LG Chem, Ltd.
17561
6
Evonik Degussa GmbH
1542
6
DSM IP Assets B.V.
5659
6
Arkema France
3987
6
Casale SA
605
6
Precision Combustion, Inc.
104
6
ThyssenKrupp Uhde GmbH
326
6
Evonik Operations GmbH
4045
6
ExxonMobil Technology and Engineering Company
1042
6
Hiiroc-x Developments Limited
26
6
Other owners 389