- All sections
- H - Electricity
- H01H - Electric switches; relays; selectors; emergency protective devices
- H01H 9/04 - Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Patent holdings for IPC class H01H 9/04
Total number of patents in this class: 427
10-year publication summary
|
38
|
57
|
42
|
41
|
41
|
39
|
30
|
22
|
23
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eaton Intelligent Power Limited | 6113 |
30 |
| Omron Corporation | 6968 |
17 |
| Alps Alpine Co., Ltd. | 1831 |
16 |
| R. Stahl Schaltgeräte GmbH | 150 |
11 |
| Hubbell Incorporated | 3052 |
9 |
| Apple Inc. | 50209 |
8 |
| Kyocera Corporation | 12735 |
7 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1712 |
7 |
| Honda Motor Co., Ltd. | 24537 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
| ABB Schweiz AG | 6321 |
6 |
| General Equipment and Manufacturing Company, Inc., d/b/a TopWorx, Inc. | 74 |
6 |
| Huf Hulsbeck & Furst GmbH & Co. KG | 810 |
6 |
| Lsis Co., Ltd. | 834 |
6 |
| Illinois Tool Works Inc. | 11152 |
4 |
| Siemens AG | 24990 |
4 |
| Olympus Corporation | 13667 |
4 |
| Google Technology Holdings LLC | 2658 |
3 |
| Yazaki Corporation | 6282 |
3 |
| ABB Technology AG | 1301 |
3 |
| Other owners | 265 |