- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 9/14 - Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
Patent holdings for IPC class H02K 9/14
Total number of patents in this class: 230
10-year publication summary
|
23
|
18
|
21
|
25
|
16
|
22
|
20
|
13
|
20
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24990 |
14 |
| AeroVironment, Inc. | 499 |
11 |
| Regal Beloit America, Inc. | 939 |
10 |
| SEW-EURODRIVE GmbH & Co. KG | 1816 |
9 |
| ebm-papst Mulfingen GmbH & Co. KG | 608 |
8 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Safran Electrical & Power | 507 |
7 |
| Innomotics GmbH | 451 |
5 |
| ABB Schweiz AG | 6321 |
4 |
| IFP Energies Nouvelles | 2717 |
4 |
| Lenze Drives GmbH | 47 |
4 |
| XEMC Darwind B.V. | 25 |
4 |
| Koki Holdings Co.,Ltd | 856 |
4 |
| Institut VEDECOM | 62 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| ResMed Motor Technologies Inc | 72 |
3 |
| FANUC Corporation | 5803 |
3 |
| Nitty-gritty S.r.l. | 16 |
3 |
| Weg Equipamentos Eletricos S.A. - Motores | 64 |
3 |
| Other owners | 117 |