- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 19/00 - Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
Patent holdings for IPC class H01H 19/00
Total number of patents in this class: 238
10-year publication summary
|
23
|
16
|
22
|
18
|
15
|
14
|
5
|
6
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maschinenfabrik Reinhausen GmbH | 744 |
11 |
| Hosiden Corporation | 383 |
8 |
| Eaton Intelligent Power Limited | 5979 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
7 |
| Denso Corporation | 24230 |
6 |
| Hitachi Energy Ltd. | 2194 |
6 |
| Dav | 149 |
5 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1789 |
5 |
| Alps Alpine Co., Ltd. | 2074 |
5 |
| Siemens AG | 24520 |
4 |
| Sumitomo Wiring Systems, Ltd. | 10307 |
4 |
| ZF Friedrichshafen AG | 7133 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
4 |
| Phoenix Contact GmbH & Co. KG | 2292 |
4 |
| Arcelik A.S. | 3525 |
3 |
| BSH Bosch und Siemens Hausgerate GmbH | 2919 |
3 |
| NHK Spring Co., Ltd. | 1852 |
3 |
| Canon Inc. | 39713 |
2 |
| Sumitomo Electric Industries, Ltd. | 15428 |
2 |
| Yazaki Corporation | 6652 |
2 |
| Other owners | 142 |