Patent holdings for IPC class H01H 3/44

Total number of patents in this class: 27

10-year publication summary

2
2
2
3
2
5
4
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Maschinenfabrik Reinhausen GmbH
541
8
Hitachi Energy Ltd.
2586
4
Hitachi Energy Switzerland AG
299
3
CONMED Corporation
1010
2
Lsis Co., Ltd.
814
2
Mitsubishi Electric Corporation
48048
1
ABB Schweiz AG
7621
1
ABB Technology AG
1224
1
ABB Research Ltd.
795
1
Eaton Industries (Netherlands) B.V.
77
1
Drexel University
996
1
ABB Power Grids Switzerland AG
212
1
ABB Bulgaria EOOD
3
1
Other owners 0