Patent holdings for IPC class F04B 1/20

Total number of patents in this class: 362

10-year publication summary

42
17
31
18
12
6
4
6
3
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Robert Bosch GmbH
43631
129
Parker-Hannifin Corporation
1017
14
Danfoss A/S
1404
14
Hamilton Sundstrand Corporation
5018
10
Hydro-Gear Limited Partnership
333
10
Innas B.V.
14
10
Technoboost
86
9
Kawasaki Heavy Industries, Limited
1641
8
Caterpillar Inc.
10151
7
Komatsu Ltd.
4663
5
Danfoss Power Solutions GmbH & Co. OHG
72
5
Danfoss Power Solutions Inc.
111
5
Parker Intangibles LLC
1183
5
HYDAC Drive Center GmbH
14
4
IFP Energies Nouvelles
3034
4
KYB Corporation
1414
4
Ocean Pacific Technologies
6
4
Dana Motion Systems Italia S.r.l.
65
4
Toyota Industries Corporation
1193
3
Brueninghaus Hydromatik GmbH
20
3
Other owners 105