- All sections
- H - Electricity
- H01R - Electrically-conductive connectionsstructural associations of a plurality of mutually-insulated electrical connecting elementscoupling devicescurrent collectors
- H01R 39/02 - Rotary current collectors, distributors or interrupters Details
Patent holdings for IPC class H01R 39/02
Total number of patents in this class: 73
10-year publication summary
|
7
|
4
|
10
|
10
|
6
|
6
|
1
|
7
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schleifring und Apparatebau GmbH | 76 |
4 |
| TE Connectivity Solutions GmbH | 2929 |
4 |
| Denso Corporation | 25062 |
3 |
| Wisconsin Alumni Research Foundation | 3930 |
3 |
| Robert Bosch GmbH | 43385 |
2 |
| ZF Friedrichshafen AG | 7210 |
2 |
| Schaeffler Technologies AG & Co. KG | 10592 |
2 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 377 |
2 |
| KACO GmbH + Co. KG | 50 |
2 |
| Flender GmbH | 395 |
2 |
| Schleifring GmbH | 71 |
2 |
| Schunk Carbon Technology GmbH | 39 |
2 |
| Illinois Tool Works Inc. | 11698 |
1 |
| Siemens AG | 24329 |
1 |
| Xerox Corporation | 5876 |
1 |
| Toyota Motor Corporation | 34148 |
1 |
| Mitsubishi Electric Corporation | 47449 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 14918 |
1 |
| NSK Ltd. | 2822 |
1 |
| The Furukawa Electric Co., Ltd. | 3717 |
1 |
| Other owners | 35 |