- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 9/10 - Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
Patent holdings for IPC class H02K 9/10
Total number of patents in this class: 253
10-year publication summary
|
28
|
32
|
22
|
16
|
17
|
21
|
15
|
19
|
13
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24020 |
28 |
| Siemens Energy, Inc. | 1684 |
17 |
| Hamilton Sundstrand Corporation | 5014 |
6 |
| Mitsubishi Electric Corporation | 48048 |
5 |
| ABB Oy | 168 |
5 |
| ABB Schweiz AG | 7621 |
5 |
| Innomotics GmbH | 598 |
5 |
| Honda Motor Co., Ltd. | 26034 |
4 |
| Siemens Energy Global GmbH & Co. KG | 3357 |
4 |
| Mitsubishi Generator Co., Ltd. | 158 |
4 |
| General Electric Company | 13910 |
3 |
| Denso Corporation | 25579 |
3 |
| Rolls-Royce PLC | 3223 |
3 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 390 |
3 |
| Milwaukee Electric Tool Corporation | 4967 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1129 |
3 |
| ThyssenKrupp Presta Teccenter AG | 226 |
3 |
| Toshiba International Corporation | 154 |
3 |
| Flender GmbH | 421 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 9139 |
2 |
| Other owners | 141 |