Patent holdings for IPC class F15B 15/02

Total number of patents in this class: 177

10-year publication summary

23
14
16
11
14
18
23
8
18
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Woodward, Inc.
602
8
President and Fellows of Harvard College
5792
7
Caterpillar Inc.
8877
5
The Boeing Company
19843
4
Robert Bosch GmbH
40953
4
Kanzaki Kokyukoki Mfg. Co., Ltd.
193
4
National Technology & Engineering Solutions of Sandia, LLC
1851
4
Kobe Steel, Ltd.
912
3
Kubota Corporation
3054
3
Norgren GmbH
96
3
FUJIKURA COMPOSITES Inc.
61
3
Honda Motor Co., Ltd.
24537
2
Hitachi Construction Machinery Co., Ltd.
2498
2
Debiotech S.A.
143
2
Doosan Infracore Co., Ltd.
313
2
Forum US, Inc.
315
2
Goodrich Corporation
2081
2
J.H. Fletcher & Co.
82
2
Kobelco Cranes Co., Ltd.
40
2
Parker-Hannifin Corporation
999
2
Other owners 111