- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 9/26 - Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
Patent holdings for IPC class H02K 9/26
Total number of patents in this class: 136
10-year publication summary
|
6
|
4
|
9
|
11
|
15
|
15
|
12
|
17
|
20
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44904 |
8 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 356 |
4 |
| Pratt & Whitney Canada Corp. | 4445 |
3 |
| Hitachi, Ltd. | 15239 |
3 |
| Dr. Ing. h.c. F. Porsche Aktiengesellschaft | 2645 |
3 |
| Nitty-gritty S.r.l. | 18 |
3 |
| Siemens Gamesa Renewable Energy A/S | 1807 |
3 |
| Honda Motor Co., Ltd. | 24878 |
2 |
| Toyota Motor Corporation | 30499 |
2 |
| Denso Corporation | 23803 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 13882 |
2 |
| Makita Corporation | 2414 |
2 |
| ABB Schweiz AG | 6635 |
2 |
| American Axle & Manufacturing, Inc. | 657 |
2 |
| Dana Limited | 241 |
2 |
| Environment One Corporation | 30 |
2 |
| FANUC Corporation | 6368 |
2 |
| Rolls-Royce Deutschland Ltd & Co KG | 799 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 1919 |
2 |
| Toyo Electric Mfg. Co., Ltd. | 26 |
2 |
| Other owners | 83 |