- 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: 348
10-year publication summary
|
28
|
31
|
25
|
30
|
28
|
25
|
13
|
24
|
18
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44128 |
26 |
| Cutsforth, Inc. | 73 |
26 |
| Valeo Equipements Electriques Moteur | 940 |
19 |
| Denso Corporation | 25513 |
16 |
| Schaeffler Technologies AG & Co. KG | 10948 |
15 |
| Aktiebolaget SKF | 3126 |
15 |
| Schunk Carbon Technology GmbH | 42 |
11 |
| Mersen France Amiens SAS | 40 |
10 |
| Bayerische Motoren Werke Aktiengesellschaft | 15252 |
7 |
| Johnson Electric International AG | 379 |
7 |
| GE Infrastructure Technology, LLC | 6171 |
7 |
| Black & Decker, Inc. | 2443 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
5 |
| Stemmann-Technik GmbH | 48 |
5 |
| Valeo Systemes d'Essuyage | 1168 |
5 |
| Minebea Mitsumi Inc. | 1938 |
5 |
| Siemens AG | 24033 |
4 |
| AB Dynamoborstfabriken | 35 |
4 |
| Mitsuba Corporation | 822 |
4 |
| Wabtec Holding Corp. | 342 |
4 |
| Other owners | 147 |