- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 9/22 - Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Patent holdings for IPC class H02K 9/22
Total number of patents in this class: 1541
10-year publication summary
|
108
|
114
|
141
|
136
|
148
|
161
|
128
|
127
|
136
|
77
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48146 |
74 |
| Denso Corporation | 25633 |
64 |
| Nidec Corporation | 2819 |
38 |
| Black & Decker, Inc. | 2450 |
32 |
| Robert Bosch GmbH | 44238 |
29 |
| Siemens AG | 23996 |
28 |
| MAHLE International GmbH | 2920 |
27 |
| Hamilton Sundstrand Corporation | 5014 |
22 |
| Infinitum Electric Inc. | 91 |
21 |
| Innomotics GmbH | 609 |
21 |
| Hitachi Astemo, Ltd. | 6415 |
20 |
| American Axle & Manufacturing, Inc. | 635 |
18 |
| Bayerische Motoren Werke Aktiengesellschaft | 15349 |
17 |
| Schaeffler Technologies AG & Co. KG | 11069 |
16 |
| Milwaukee Electric Tool Corporation | 4980 |
16 |
| Regal Beloit America, Inc. | 849 |
14 |
| SPAL Automotive S.r.l. | 111 |
14 |
| Mitsubishi Electric Mobility Corporation | 1158 |
14 |
| Toyota Motor Corporation | 35906 |
13 |
| Honda Motor Co., Ltd. | 26090 |
12 |
| Other owners | 1031 |