- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 9/00 - ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES - Details of switching devices, not covered by groups
Patent holdings for IPC class H01H 9/00
Total number of patents in this class: 1382
10-year publication summary
119
|
103
|
83
|
65
|
49
|
57
|
41
|
71
|
40
|
23
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Maschinenfabrik Reinhausen GmbH | 749 |
250 |
Eaton Intelligent Power Limited | 6113 |
64 |
Hitachi Energy Ltd. | 1921 |
50 |
ABB Schweiz AG | 6321 |
41 |
Siemens AG | 24990 |
40 |
Apple Inc. | 50209 |
21 |
Alps Alpine Co., Ltd. | 1831 |
18 |
ABB Technology AG | 1301 |
17 |
Lsis Co., Ltd. | 834 |
15 |
Hitachi Energy Switzerland AG | 327 |
15 |
ABB Technology Ltd | 490 |
14 |
Malikie Innovations Limited | 7703 |
14 |
ABB S.p.A. | 459 |
13 |
Schneider Electric Industries SAS | 1376 |
13 |
Omron Corporation | 6968 |
11 |
General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc. | 74 |
11 |
Preh GmbH | 272 |
10 |
Panasonic Automotive Systems Co., Ltd. | 1440 |
10 |
Samsung Electronics Co., Ltd. | 131630 |
8 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
8 |
Other owners | 739 |