Patent holdings for IPC class F04F 5/20

Total number of patents in this class: 206

10-year publication summary

20
26
22
20
10
18
8
9
9
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Denso Corporation
25820
19
Dayco IP Holdings, LLC
276
18
Panasonic Intellectual Property Management Co., Ltd.
34623
9
Vtec Co., Ltd.
40
7
Coval
41
6
Goodrich Corporation
2182
6
SMC Corporation
1403
6
Piab AB
107
5
Robert Bosch GmbH
44398
4
Aisan Kogyo Kabushiki Kaisha
781
4
Ateliers Busch SA
49
4
Audi AG
7590
4
Korea Pneumatic System Co., Ltd.
31
4
Kyokutoh Co., Ltd.
73
4
Xerex AB
13
4
Pfeiffer Vacuum
193
4
Koganei Corporation
209
3
Samsung Electronics Co., Ltd.
159473
2
Halliburton Energy Services, Inc.
21296
2
Ford Global Technologies, LLC
21645
2
Other owners 89