- 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: 1251
10-year publication summary
90
|
96
|
108
|
114
|
141
|
134
|
142
|
144
|
122
|
50
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
82 |
Denso Corporation | 23338 |
56 |
Siemens AG | 24990 |
32 |
Nidec Corporation | 2579 |
30 |
Robert Bosch GmbH | 40953 |
27 |
Black & Decker, Inc. | 2402 |
24 |
MAHLE International GmbH | 2670 |
22 |
Hamilton Sundstrand Corporation | 4525 |
20 |
Hitachi Astemo, Ltd. | 5618 |
20 |
Infinitum Electric Inc. | 59 |
16 |
American Axle & Manufacturing, Inc. | 649 |
14 |
Milwaukee Electric Tool Corporation | 3572 |
14 |
SPAL Automotive S.r.l. | 124 |
14 |
Honda Motor Co., Ltd. | 24537 |
13 |
Valeo Equipements Electriques Moteur | 1036 |
12 |
BorgWarner Inc. | 2604 |
11 |
Hyperloop Technologies, Inc. | 207 |
11 |
AeroVironment, Inc. | 499 |
10 |
Pierburg Pump Technology GmbH | 305 |
10 |
Protean Electric Limited | 139 |
10 |
Other owners | 803 |