- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 21/54 - Lever switches with blade-type contact co-operating with one or two spring-clip contacts, e.g. knife switch, sectionalisers
Patent holdings for IPC class H01H 21/54
Total number of patents in this class: 33
10-year publication summary
|
4
|
8
|
3
|
5
|
2
|
4
|
3
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cleaveland/price Inc. | 44 |
4 |
| ABB Schweiz AG | 7491 |
3 |
| Phoenix Contact GmbH & Co. KG | 2286 |
3 |
| Fischer Block Inc | 16 |
2 |
| Huntington Ingalls Incorporated | 85 |
2 |
| Schneider Electric USA, Inc. | 1345 |
2 |
| GENG, Kailun | 4 |
2 |
| Mitsubishi Electric Corporation | 47683 |
1 |
| Siemens Industry, Inc. | 1583 |
1 |
| ABB Technology AG | 1233 |
1 |
| Japan Aviation Electronics Industry, Limited | 1830 |
1 |
| Lsis Co., Ltd. | 814 |
1 |
| Schneider Electric Industries SAS | 1566 |
1 |
| Southern States, LLC | 82 |
1 |
| Zhuhai UniTech Power Technology Co., Ltd. | 31 |
1 |
| C&K Components S.A.S. | 25 |
1 |
| ABB Schweiz AG | 14 |
1 |
| Nuventura GmbH | 10 |
1 |
| Ingersoll-Rand Industrial U.S., Inc. | 527 |
1 |
| S&C Electric (China) Company Ltd. | 1 |
1 |
| Other owners | 2 |