- All sections
- H - Electricity
- H01R - Electrically-conductive connectionsstructural associations of a plurality of mutually-insulated electrical connecting elementscoupling devicescurrent collectors
- H01R 39/38 - Brush holders
Patent holdings for IPC class H01R 39/38
Total number of patents in this class: 329
10-year publication summary
|
31
|
28
|
30
|
25
|
26
|
25
|
24
|
12
|
21
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 43034 |
27 |
| Cutsforth, Inc. | 74 |
25 |
| Valeo Equipements Electriques Moteur | 989 |
19 |
| Denso Corporation | 24755 |
15 |
| Aktiebolaget SKF | 3010 |
12 |
| Mersen France Amiens SAS | 39 |
10 |
| Schunk Carbon Technology GmbH | 38 |
8 |
| Bayerische Motoren Werke Aktiengesellschaft | 14661 |
7 |
| Johnson Electric International AG | 375 |
7 |
| GE Infrastructure Technology, LLC | 6190 |
7 |
| Black & Decker, Inc. | 2403 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 32352 |
5 |
| Schaeffler Technologies AG & Co. KG | 10322 |
5 |
| Valeo Systemes d'Essuyage | 1144 |
5 |
| Wabtec Holding Corp. | 367 |
5 |
| Minebea Mitsumi Inc. | 1798 |
5 |
| Siemens AG | 24337 |
4 |
| AB Dynamoborstfabriken | 35 |
4 |
| Mitsuba Corporation | 815 |
4 |
| Vitesco Technologies GmbH | 2417 |
4 |
| Other owners | 145 |