- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 21/22 - Operating parts, e.g. handle
Patent holdings for IPC class H01H 21/22
Total number of patents in this class: 197
10-year publication summary
|
24
|
25
|
15
|
18
|
22
|
18
|
17
|
21
|
17
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6047 |
23 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1824 |
8 |
| Siemens Industry, Inc. | 1478 |
7 |
| Illinois Tool Works Inc. | 11554 |
6 |
| Omron Corporation | 7306 |
6 |
| Savant Systems, Inc. | 255 |
6 |
| Leviton Manufacturing Co., Inc. | 806 |
4 |
| Alps Alpine Co., Ltd. | 2143 |
4 |
| Honda Motor Co., Ltd. | 25780 |
3 |
| Siemens AG | 24333 |
3 |
| Yazaki Corporation | 6813 |
3 |
| Microsoft Technology Licensing, LLC | 54319 |
3 |
| Carling Technologies, Inc. | 119 |
3 |
| Judco Partnership, LLC | 3 |
3 |
| Toyo Denso Kabushiki Kaisha | 57 |
3 |
| Covidien LP | 10664 |
2 |
| Denso Corporation | 24783 |
2 |
| DENSO International America, Inc. | 630 |
2 |
| Hyundai Motor Company | 22813 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
2 |
| Other owners | 102 |