Patent holdings for IPC class H01H 31/28

Total number of patents in this class: 114

10-year publication summary

9
11
8
14
6
8
5
4
4
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Hubbell Incorporated
3227
15
Siemens AG
24568
14
Mitsubishi Electric Corporation
45752
11
Hitachi Energy Ltd.
2177
11
ABB Schweiz AG
6873
9
General Electric Technology GmbH
1457
5
Cleaveland/price Inc.
42
5
ABB Technology AG
1256
4
Alstom Technology Ltd
1112
3
Nuventura GmbH
10
3
TE Connectivity Solutions GmbH
2760
2
Eaton Intelligent Power Limited
5935
2
Rockwell Automation Technologies, Inc.
2716
1
Tyco Electronics Canada ULC
60
1
Siemens Industry, Inc.
1441
1
Eaton Electric B.V.
7
1
ABB Technology Oy
10
1
Actuant Corporation
83
1
Aichi Electric Works Co., Ltd.
4
1
AMC
12
1
Other owners 22