Patent holdings for IPC class F15B 15/12

Total number of patents in this class: 172

10-year publication summary

14
21
26
11
16
9
3
1
4
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Woodward, Inc.
674
51
Interventek Subsea Engineering Limited
19
8
Denso Corporation
25579
6
Festo SE & Co. KG
436
6
Schaeffler Technologies AG & Co. KG
11003
5
Aventics Corporation
24
4
Festo AG & Co. KG
276
4
Nabtesco Corporation
862
4
Quality Manufacturing Inc.
13
4
The Boeing Company
20163
3
C. & E. FEIN GmbH
191
3
ixetic Bad Homburg GmbH
43
3
Log Max AB
31
3
WB Development Company, LLC
19
3
Sarcos Corp.
156
3
Raytheon Company
8448
2
Advanced Telecommunications Research Institute International
93
2
Easytork Automation Corporation
10
2
Knr Systems Inc.
6
2
Osaka University
3266
2
Other owners 52