Patent holdings for IPC class C25B 9/17

Total number of patents in this class: 510

10-year publication summary

1
7
22
36
59
101
96
68
69
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hytech Power, LLC
16
10
C2cnt LLC
91
10
Evonik Operations GmbH
4196
10
Honda Motor Co., Ltd.
25770
9
Massachusetts Institute of Technology
10172
9
Colgate-Palmolive Company
5743
8
King Fahd University of Petroleum and Minerals
1423
8
Siemens Energy Global GmbH & Co. KG
3145
8
Saudi Arabian Oil Company
13791
7
Wisconsin Alumni Research Foundation
3921
6
Battelle Energy Alliance, LLC
596
5
Evoqua Water Technologies LLC
925
5
RM2 Technology LLC
13
5
Resonac Corporation
3073
5
Toyota Motor Corporation
33878
4
Toshiba Corporation
12538
4
Robert Bosch GmbH
43213
4
Hyundai Motor Company
23122
4
California Institute of Technology
4006
4
Hydrogenics Corporation
188
4
Other owners 381