- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 9/02 - Arrangements for cooling or ventilating by ambient air flowing through the machine
Patent holdings for IPC class H02K 9/02
Total number of patents in this class: 463
10-year publication summary
|
51
|
49
|
38
|
43
|
31
|
27
|
29
|
28
|
25
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46449 |
27 |
| AeroVironment, Inc. | 538 |
10 |
| LG Electronics Inc. | 73578 |
9 |
| Denso Corporation | 24480 |
9 |
| Makita Corporation | 2462 |
9 |
| Prime Datum Development Company, LLC | 26 |
9 |
| Honda Motor Co., Ltd. | 25499 |
8 |
| Siemens AG | 24386 |
8 |
| Nidec Corporation | 2672 |
8 |
| Remy Technologies, LLC | 174 |
8 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12765 |
8 |
| 1478021 B.C. Ltd | 21 |
8 |
| Valeo Equipements Electriques Moteur | 993 |
7 |
| Hitachi Astemo, Ltd. | 6381 |
7 |
| Hitachi Automotive Systems, Ltd. | 3955 |
6 |
| Hamilton Sundstrand Corporation | 4916 |
6 |
| Mitsubishi Electric Mobility Corporation | 1075 |
6 |
| Samsung Electronics Co., Ltd. | 147622 |
5 |
| ABB Schweiz AG | 7055 |
5 |
| BorgWarner Inc. | 2600 |
5 |
| Other owners | 295 |