- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 9/00 - Details of switching devices, not covered by groups
Patent holdings for IPC class H01H 9/00
Total number of patents in this class: 1311
10-year publication summary
|
83
|
65
|
49
|
57
|
41
|
74
|
41
|
45
|
47
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Maschinenfabrik Reinhausen GmbH | 541 |
260 |
| Hitachi Energy Ltd. | 2586 |
73 |
| Eaton Intelligent Power Limited | 6257 |
57 |
| ABB Schweiz AG | 7621 |
39 |
| Siemens AG | 24020 |
36 |
| ABB Technology AG | 1224 |
17 |
| Lsis Co., Ltd. | 814 |
15 |
| Hitachi Energy Switzerland AG | 299 |
15 |
| Schneider Electric Industries SAS | 1595 |
13 |
| Malikie Innovations Limited | 6444 |
13 |
| Apple Inc. | 58885 |
12 |
| ABB S.p.A. | 438 |
12 |
| Alps Alpine Co., Ltd. | 2310 |
12 |
| ABB Technology Ltd | 435 |
12 |
| General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc. | 74 |
11 |
| Omron Corporation | 7370 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
8 |
| Darfon Electronics Corp. | 279 |
8 |
| Omicron Electronics GmbH | 281 |
8 |
| Chicony Electronics Co., Ltd. | 292 |
7 |
| Other owners | 673 |