- All sections
- H - Electricity
- H01R - Electrically-conductive connectionsstructural associations of a plurality of mutually-insulated electrical connecting elementscoupling devicescurrent collectors
- H01R 39/22 - Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof incorporating lubricating or polishing ingredient
Patent holdings for IPC class H01R 39/22
Total number of patents in this class: 27
10-year publication summary
|
2
|
2
|
3
|
3
|
0
|
3
|
2
|
0
|
4
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tris Inc. | 18 |
4 |
| Denso Corporation | 25534 |
3 |
| Schleifring und Apparatebau GmbH | 76 |
3 |
| Illinois Tool Works Inc. | 11863 |
2 |
| Robert Bosch GmbH | 44160 |
2 |
| Schleifring GmbH | 71 |
2 |
| CR Flight LLC | 22 |
2 |
| Schaeffler Technologies AG & Co. KG | 10968 |
1 |
| ABB Schweiz AG | 7607 |
1 |
| Aisan Kogyo Kabushiki Kaisha | 768 |
1 |
| PanTrac GmbH | 9 |
1 |
| SGL Carbon SE | 403 |
1 |
| Toyo Tanso Co., Ltd. | 217 |
1 |
| Minebea Mitsumi Inc. | 1943 |
1 |
| Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Bamberg | 420 |
1 |
| Tsubame Radio Co., Ltd | 2 |
1 |
| Other owners | 0 |