Patent holdings for IPC class F16L 41/08

Total number of patents in this class: 404

10-year publication summary

27
31
29
37
37
29
25
30
25
27
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Dongguan Haoqi Intelligent Technology Co., Ltd
19
14
Robert Bosch GmbH
43116
8
Hanon Systems
2016
8
Reliance Worldwide Corporation
338
8
Press-seal Corporation
38
6
Denso Corporation
24842
5
Advanced Drainage Systems, Inc.
363
5
KHOLLE Magnolia 2015, LLC
22
5
Rehau AG + Co
393
4
Sanoh Industrial Co., Ltd.
213
4
TI Group Automotive Systems, L.L.C.
79
4
Danfoss A/S
1367
4
Minimax Viking Research & Development GmbH
129
4
Rheia, LLC
15
4
Airbus Operations S.A.S.
2510
3
Airbus Operations Limited
1293
3
Continental Automotive GmbH
4717
3
Hamilton Sundstrand Corporation
4971
3
ContiTech Techno-Chemie GmbH
80
3
Henn GmbH & Co. KG
93
3
Other owners 303