- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 9/50 - Means for detecting the presence of an arc or discharge
Patent holdings for IPC class H01H 9/50
Total number of patents in this class: 119
10-year publication summary
|
11
|
7
|
5
|
9
|
6
|
8
|
6
|
6
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3456 |
10 |
| Eaton Intelligent Power Limited | 6269 |
10 |
| Siemens AG | 23983 |
8 |
| Applied Materials, Inc. | 20514 |
5 |
| ABB Schweiz AG | 7680 |
3 |
| Advanced Energy Industries, Inc. | 476 |
3 |
| ARC Suppression Technologies | 40 |
3 |
| MKS Instruments, Inc. | 548 |
3 |
| Ericsson Inc. | 22 |
2 |
| Mitsubishi Electric Corporation | 48236 |
2 |
| Lam Research Corporation | 5676 |
2 |
| ABB S.p.A. | 439 |
2 |
| DTI Group Limited | 12 |
2 |
| Ellenberger & Poensgen GmbH | 231 |
2 |
| Enphase Energy, Inc. | 581 |
2 |
| GE Aviation Systems Limited | 280 |
2 |
| HSP Hochspannungsgeräte GmbH | 143 |
2 |
| Leviton Manufacturing Co., Inc. | 809 |
2 |
| Nitto Kogyo Corporation | 47 |
2 |
| Landis+Gyr Technology, Inc. | 534 |
2 |
| Other owners | 50 |