- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 9/04 - Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Patent holdings for IPC class H02K 9/04
Total number of patents in this class: 515
10-year publication summary
|
43
|
48
|
53
|
28
|
32
|
38
|
37
|
30
|
25
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 23934 |
16 |
| Mitsubishi Electric Corporation | 48460 |
16 |
| Black & Decker, Inc. | 2490 |
15 |
| FANUC Corporation | 7421 |
12 |
| Siemens Gamesa Renewable Energy A/S | 1980 |
12 |
| Valeo Equipements Electriques Moteur | 932 |
10 |
| Infinitum Electric Inc. | 92 |
9 |
| Honda Motor Co., Ltd. | 26657 |
8 |
| GoldWind Science & Technology Co., Ltd. | 129 |
7 |
| Innomotics GmbH | 620 |
7 |
| N.P.S. Company, LLC | 9 |
6 |
| Hamilton Sundstrand Corporation | 5013 |
5 |
| Flender GmbH | 435 |
5 |
| Robert Bosch GmbH | 44398 |
4 |
| ABB Schweiz AG | 7761 |
4 |
| Aurora Office Equipment Co., Ltd. Shanghai | 33 |
4 |
| BorgWarner Inc. | 2586 |
4 |
| Cummins Generator Technologies Limited | 120 |
4 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1561 |
4 |
| Meidensha Corporation | 941 |
4 |
| Other owners | 359 |