- All sections
- H - Electricity
- H01R - Electrically-conductive connections; structural associations of a plurality of mutually-insulated electrical connecting elements; coupling devices; current 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: 64
10-year publication summary
|
5
|
4
|
7
|
5
|
10
|
12
|
7
|
7
|
1
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wisconsin Alumni Research Foundation | 3774 |
4 |
| Schleifring und Apparatebau GmbH | 89 |
4 |
| Denso Corporation | 23338 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 332 |
2 |
| Flender GmbH | 338 |
2 |
| Schleifring GmbH | 65 |
2 |
| Illinois Tool Works Inc. | 11152 |
1 |
| Siemens AG | 24990 |
1 |
| Xerox Corporation | 7503 |
1 |
| Toyota Motor Corporation | 28582 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
| ZF Friedrichshafen AG | 6820 |
1 |
| Schaeffler Technologies AG & Co. KG | 8880 |
1 |
| The Furukawa Electric Co., Ltd. | 3486 |
1 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
1 |
| Carl Freudenberg KG | 1346 |
1 |
| Conductix-Wampfler GmbH | 88 |
1 |
| Furukawa Automotive Systems Inc. | 558 |
1 |
| Other owners | 32 |