- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 11/04 - Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
Patent holdings for IPC class H01H 11/04
Total number of patents in this class: 239
10-year publication summary
|
27
|
27
|
32
|
22
|
10
|
19
|
11
|
13
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24565 |
25 |
| ABB Schweiz AG | 6632 |
12 |
| Tanaka Kikinzoku Kogyo K.K. | 589 |
11 |
| Dowa Metaltech Co., Ltd. | 157 |
8 |
| Meidensha Corporation | 855 |
8 |
| Nantong Memtech Technologies Co., Ltd. | 19 |
8 |
| Mitsubishi Electric Corporation | 44851 |
7 |
| Nidec Corporation | 2601 |
6 |
| Tokuriki Honten Co., Ltd. | 21 |
6 |
| PLANSEE Powertech AG | 5 |
5 |
| Schneider Electric Industries SAS | 1442 |
5 |
| Eaton Intelligent Power Limited | 6300 |
5 |
| Omron Corporation | 7156 |
4 |
| ABB Technology AG | 1272 |
4 |
| The Furukawa Electric Co., Ltd. | 3600 |
4 |
| Sekisui Polymatech Co., Ltd. | 203 |
4 |
| Sumitomo Electric Industries, Ltd. | 14972 |
3 |
| General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc. | 74 |
3 |
| TE Connectivity Germany GmbH | 651 |
3 |
| Safran Electrical & Power | 613 |
3 |
| Other owners | 105 |