- All sections
- H - Electricity
- H01R - Electrically-conductive connectionsstructural associations of a plurality of mutually-insulated electrical connecting elementscoupling devicescurrent collectors
- H01R 4/28 - Clamped connectionsSpring connections
Patent holdings for IPC class H01R 4/28
Total number of patents in this class: 382
10-year publication summary
|
39
|
23
|
26
|
25
|
18
|
31
|
39
|
26
|
24
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3268 |
26 |
| Yazaki Corporation | 6700 |
13 |
| Sumitomo Wiring Systems, Ltd. | 10376 |
12 |
| Sumitomo Electric Industries, Ltd. | 15511 |
11 |
| AutoNetworks Technologies, Ltd. | 6602 |
11 |
| Tyco Electronics (shanghai) Co. Ltd. | 894 |
9 |
| Robert Bosch GmbH | 42677 |
8 |
| Phoenix Contact GmbH & Co. KG | 2288 |
8 |
| Siemens AG | 24461 |
6 |
| Foxconn Interconnect Technology Limited | 1099 |
6 |
| IDEAL Industries, Inc. | 385 |
6 |
| TE Connectivity Solutions GmbH | 2810 |
6 |
| Aptiv Technologies AG | 2361 |
6 |
| Illinois Tool Works Inc. | 11468 |
4 |
| Boston Scientific Neuromodulation Corporation | 2403 |
4 |
| AGC Automotive Americas Co. | 72 |
4 |
| Burndy LLC | 48 |
4 |
| Quanta Associates, L.P. | 432 |
4 |
| TE Connectivity Germany GmbH | 650 |
4 |
| WAGO Verwaltungsgesellschaft mbH | 536 |
4 |
| Other owners | 226 |