- All sections
- H - Electricity
- H01R - Electrically-conductive connections; structural associations of a plurality of mutually-insulated electrical connecting elements; coupling devices; current collectors
- H01R 4/38 - Clamped connections; Spring connections using a clamping member acted on by screw or nut
Patent holdings for IPC class H01R 4/38
Total number of patents in this class: 324
10-year publication summary
|
22
|
20
|
31
|
41
|
39
|
22
|
24
|
16
|
8
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3130 |
33 |
| Sumitomo Wiring Systems, Ltd. | 9661 |
21 |
| PPC Broadband, Inc. | 1030 |
15 |
| Yazaki Corporation | 6340 |
10 |
| Sumitomo Electric Industries, Ltd. | 14484 |
9 |
| AutoNetworks Technologies, Ltd. | 6035 |
9 |
| Burndy LLC | 45 |
9 |
| Phoenix Contact GmbH & Co. KG | 2219 |
5 |
| TE Connectivity Solutions GmbH | 2653 |
5 |
| Toyota Motor Corporation | 29350 |
4 |
| Mitsubishi Electric Corporation | 44614 |
4 |
| Omron Corporation | 7046 |
4 |
| Amphenol Corporation | 741 |
4 |
| Elemental LED, Inc. | 167 |
4 |
| Eaton Intelligent Power Limited | 6206 |
4 |
| Siemens AG | 24715 |
3 |
| Ford Global Technologies, LLC | 19711 |
3 |
| ABB Schweiz AG | 6452 |
3 |
| Leviton Manufacturing Co., Inc. | 826 |
3 |
| Saint-Gobain Glass France | 3713 |
3 |
| Other owners | 169 |