Patent holdings for IPC class C01B 3/46

Total number of patents in this class: 26

10-year publication summary

1
2
2
0
3
2
2
2
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
ExxonMobil Research And Engineering Company
2568
10
ExxonMobil Technology and Engineering Company
1087
5
Praxair Technology, Inc.
1288
4
ExxonMobil Chemical Patents Inc.
3976
2
Air Products and Chemicals, Inc.
1443
1
Paul Wurth S.A.
418
1
Proton Power, Inc.
31
1
Questair Technologies Inc.
3
1
GS FuelCell Co., Ltd.
1
1
Other owners 0