Patent holdings for IPC class F16L 41/08

Total number of patents in this class: 418

10-year publication summary

34
32
37
41
34
26
38
28
29
12
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Dongguan Haoqi Intelligent Technology Co., Ltd
19
14
Robert Bosch GmbH
44128
8
Hanon Systems
2106
8
Advanced Drainage Systems, Inc.
401
7
Press-seal Corporation
42
7
Reliance Worldwide Corporation
351
7
Denso Corporation
25513
5
KHOLLE Magnolia 2015, LLC
21
5
Hamilton Sundstrand Corporation
5016
4
Sanoh Industrial Co., Ltd.
216
4
TI Group Automotive Systems, L.L.C.
76
4
Danfoss A/S
1428
4
Minimax Viking Research & Development GmbH
118
4
Rheia, LLC
15
4
Airbus Operations S.A.S.
2554
3
Airbus Operations Limited
1343
3
Continental Automotive GmbH
4507
3
ContiTech Techno-Chemie GmbH
78
3
GE-Hitachi Nuclear Energy Americas LLC
454
3
Henn GmbH & Co. KG
95
3
Other owners 315