- 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: 405
10-year publication summary
|
30
|
34
|
42
|
50
|
27
|
36
|
18
|
20
|
29
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| R. Stahl Schaltgeräte GmbH | 151 |
35 |
| Eaton Intelligent Power Limited | 6154 |
25 |
| Mitsubishi Electric Corporation | 47556 |
20 |
| ABB Schweiz AG | 7429 |
13 |
| Hubbell Incorporated | 3405 |
11 |
| Richards Mfg. Co. Sales, LLC | 73 |
8 |
| Siemens AG | 24236 |
7 |
| Corning Research & Development Corporation | 1266 |
6 |
| A.C. Dandy Products Ltd. | 20 |
4 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1519 |
4 |
| Leviton Manufacturing Co., Inc. | 816 |
4 |
| Rittal GmbH & Co. KG | 647 |
4 |
| Sungrow Power Supply Co., Ltd. | 667 |
4 |
| Eaton Intelligent Power Limited | 420 |
4 |
| Thorney Omega Pty., Ltd. | 9 |
4 |
| Infra Site Holdings Partners, LLC | 9 |
4 |
| Ericsson | 22283 |
3 |
| Delta Electronics, Inc. | 2769 |
3 |
| Rockwell Automation Technologies, Inc. | 2736 |
3 |
| Eaton Industries (Netherlands) B.V. | 77 |
3 |
| Other owners | 236 |