Patent holdings for IPC class F04D 25/08

Total number of patents in this class: 2629

10-year publication summary

211
259
271
283
366
289
329
303
261
34
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Dyson Technology Limited
3040
108
LG Electronics Inc.
69017
89
Hunter Fan Company
694
71
Delta T, LLC
259
70
Panasonic Intellectual Property Management Co., Ltd.
28642
57
Midea Group Co., Ltd.
3964
53
Mitsubishi Electric Corporation
43609
49
Panasonic Corporation
21124
40
Valeo Systemes Thermiques
2433
40
GD Midea Environment Appliances MFG Co., Ltd.
177
37
ebm-papst Mulfingen GmbH & Co. KG
610
31
Delta Electronics, Inc.
2381
30
Regal Beloit America, Inc.
937
30
Zhongshan Broad-Ocean Motor Co., Ltd.
498
27
Airius IP Holdings, LLC
62
26
GREE Electric Appliances, Inc. of Zhuhai
2979
26
Nidec Corporation
2564
26
Hamilton Sundstrand Corporation
4486
25
Makita Corporation
2304
25
Opple Lighting Co., Ltd.
682
24
Other owners 1745