Patent holdings for IPC class F04B 41/02

Total number of patents in this class: 331

10-year publication summary

32
35
40
31
37
35
27
30
15
18
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Black & Decker, Inc.
2410
22
Hitachi Industrial Equipment Systems Co., Ltd.
1461
13
Max Co., Ltd.
855
12
Koki Holdings Co.,Ltd
895
9
Makita Corporation
2453
8
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH
573
8
Nabtesco Automotive Corporation
128
8
Thermedical, Inc.
41
8
Isuzu Motors Limited
2259
6
Burckhardt Compression AG
121
5
Hydrostor Inc.
56
5
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2869
5
Eaton-Max, Inc.
7
4
Graco Minnesota Inc.
1202
4
Hitachi Koki Co., Ltd.
416
4
Milwaukee Electric Tool Corporation
4417
4
Wood Industries, Inc.
15
4
Xi'an Thermal Power Research Institute Co., Ltd.
343
4
Fize Medical Ltd.
9
4
Ford Global Technologies, LLC
20646
3
Other owners 191