- All sections
- H - Electricity
- H02H - Emergency protective circuit arrangements
- H02H 1/04 - Arrangements for preventing response to transient abnormal conditions, e.g. to lightning
Patent holdings for IPC class H02H 1/04
Total number of patents in this class: 426
10-year publication summary
|
24
|
24
|
28
|
36
|
18
|
20
|
20
|
18
|
27
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6268 |
19 |
| Hubbell Incorporated | 3457 |
16 |
| Siemens AG | 23996 |
14 |
| Hitachi Energy Ltd. | 2610 |
11 |
| Semiconductor Components Industries, L.L.C. | 5253 |
8 |
| ABB Schweiz AG | 7665 |
7 |
| Samsung Electronics Co., Ltd. | 158442 |
6 |
| The Boeing Company | 20186 |
6 |
| Texas Instruments Incorporated | 19640 |
6 |
| Hamilton Sundstrand Corporation | 5014 |
6 |
| Ellenberger & Poensgen GmbH | 231 |
6 |
| TDK Electronics AG | 1013 |
6 |
| Rockwell Automation Technologies, Inc. | 2808 |
5 |
| Phoenix Contact GmbH & Co. KG | 2293 |
5 |
| Industrial Technology Research Institute | 5201 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48560 |
4 |
| Aclara Technologies LLC | 303 |
4 |
| Raycap, S.A. | 38 |
4 |
| Apple Inc. | 59027 |
3 |
| Illinois Tool Works Inc. | 11862 |
3 |
| Other owners | 283 |