- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 9/08 - Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
Patent holdings for IPC class H02K 9/08
Total number of patents in this class: 235
10-year publication summary
|
28
|
16
|
23
|
26
|
18
|
16
|
8
|
20
|
12
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45962 |
21 |
| Siemens AG | 24520 |
20 |
| Siemens Energy, Inc. | 1689 |
10 |
| Zero e Technologies, LLC | 11 |
8 |
| Innomotics GmbH | 501 |
6 |
| Mitsubishi Generator Co., Ltd. | 149 |
6 |
| Toshiba Corporation | 12320 |
5 |
| Robert Bosch GmbH | 42632 |
5 |
| ebm-papst Mulfingen GmbH & Co. KG | 610 |
5 |
| ABB Schweiz AG | 6929 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1076 |
4 |
| MAVEL S.r.l. | 26 |
4 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2728 |
3 |
| IFP Energies Nouvelles | 2943 |
3 |
| Weg Equipamentos Eletricos S.A. - Motores | 69 |
3 |
| Vestas Wind Systems A/S | 3672 |
3 |
| Siemens Energy Global GmbH & Co. KG | 2941 |
3 |
| Toyota Motor Corporation | 31819 |
2 |
| Denso Corporation | 24230 |
2 |
| Nissan Motor Co., Ltd. | 12458 |
2 |
| Other owners | 116 |