Patent holdings for IPC class F15B 13/044

Total number of patents in this class: 457

10-year publication summary

27
38
46
44
34
34
25
38
22
20
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Caterpillar Inc.
9579
19
Volvo Construction Equipment AB
1193
19
Hamilton Sundstrand Corporation
4891
13
Woodward, Inc.
646
12
Danfoss A/S
1353
12
HYDAC Fluidtechnik GmbH
138
11
Sun Hydraulics, LLC
67
10
Deere & Company
7625
9
Kawasaki Heavy Industries, Limited
1641
9
Kubota Corporation
3919
9
Festo SE & Co. KG
386
9
Hitachi Construction Machinery Co., Ltd.
2646
8
Mac Valves, Inc.
84
8
Robert Bosch GmbH
42705
7
BorgWarner Inc.
2599
7
Bucher Hydraulics GmbH
11
6
Moog Inc.
422
6
Clearmotion, Inc.
172
6
Doosan Infracore Co., Ltd.
309
5
Halliburton Energy Services, Inc.
20911
4
Other owners 268