Patent holdings for IPC class C25B 15/021

Total number of patents in this class: 315

10-year publication summary

1
1
7
3
1
10
44
74
101
59
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Commissariat à l'énergie atomique et aux energies alternatives
10923
20
Bloom Energy Corporation
661
16
Siemens Energy Global GmbH & Co. KG
2957
14
Panasonic Intellectual Property Management Co., Ltd.
31375
12
Mitsubishi Heavy Industries, Ltd.
8715
9
AVL List GmbH
1292
9
Topsoe A/S
891
9
Toshiba Corporation
12336
6
Ceres Intellectual Property Company Limited
264
6
Linde GmbH
1263
6
Robert Bosch GmbH
42689
5
Hoeller Electrolyzer GmbH
37
5
Schlumberger Technology Corporation
10717
4
Acrolabs Inc.
8
4
Mitsubishi Power, Ltd.
1762
4
Ohmium International, Inc.
124
4
Honda Motor Co., Ltd.
25251
3
Hitachi, Ltd.
15484
3
Chevron U.S.A. Inc.
3955
3
Saudi Arabian Oil Company
13155
3
Other owners 170