Patent holdings for IPC class F04B 41/02

Total number of patents in this class: 330

10-year publication summary

34
38
41
31
40
36
28
31
15
17
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Black & Decker, Inc.
2409
22
Hitachi Industrial Equipment Systems Co., Ltd.
1458
13
Max Co., Ltd.
844
12
Koki Holdings Co.,Ltd
889
9
Makita Corporation
2450
8
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
571
8
Nabtesco Automotive Corporation
128
8
Thermedical, Inc.
41
8
Isuzu Motors Limited
2250
6
Burckhardt Compression AG
121
5
Hydrostor Inc.
58
5
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2874
5
Eaton-Max, Inc.
7
4
Graco Minnesota Inc.
1195
4
Hitachi Koki Co., Ltd.
417
4
Milwaukee Electric Tool Corporation
4390
4
Wood Industries, Inc.
15
4
Xi'an Thermal Power Research Institute Co., Ltd.
335
4
Fize Medical Ltd.
10
4
Ford Global Technologies, LLC
20570
3
Other owners 190