- All sections
- H - Electricity
- H02B - Boards, substations or switching arrangements for the supply or distribution of electric power
- H02B 1/28 - CasingsParts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
Patent holdings for IPC class H02B 1/28
Total number of patents in this class: 381
10-year publication summary
|
18
|
35
|
42
|
47
|
53
|
32
|
37
|
20
|
21
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| R. Stahl Schaltgeräte GmbH | 154 |
34 |
| Eaton Intelligent Power Limited | 5983 |
22 |
| Mitsubishi Electric Corporation | 46093 |
20 |
| ABB Schweiz AG | 6969 |
13 |
| Hubbell Incorporated | 3266 |
10 |
| Richards Mfg. Co. Sales, LLC | 70 |
8 |
| Siemens AG | 24484 |
7 |
| Corning Research & Development Corporation | 1177 |
6 |
| Eaton Intelligent Power Limited | 422 |
5 |
| A.C. Dandy Products Ltd. | 20 |
4 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1458 |
4 |
| Leviton Manufacturing Co., Inc. | 817 |
4 |
| Rittal GmbH & Co. KG | 597 |
4 |
| Sungrow Power Supply Co., Ltd. | 568 |
4 |
| BobsBox, LLC | 13 |
4 |
| Ericsson | 21747 |
3 |
| Delta Electronics, Inc. | 2605 |
3 |
| Rockwell Automation Technologies, Inc. | 2722 |
3 |
| Eaton Industries (Netherlands) B.V. | 77 |
3 |
| Chiyoda Corporation | 397 |
3 |
| Other owners | 217 |