Patent holdings for IPC class F16L 33/22

Total number of patents in this class: 507

10-year publication summary

53
52
38
42
34
30
28
36
33
20
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Nippon Pillar Packing Co., Ltd.
236
31
Toyox Co., Ltd.
148
22
Rehau AG + Co
354
14
Rehau Construction LLC.
18
13
Husqvarna AB
3035
11
Reliance Worldwide Corporation
353
6
Eaton Intelligent Power Limited
6268
6
Reliance Worldwide Corporation (UK) Limited
48
6
Life Technologies Corporation
3458
5
Fisher & Paykel Healthcare Limited
2641
5
Tectran Mfg. Inc.
72
5
Winston Products LLC
171
5
Sartorius Stedim FMT
123
5
Daikin Industries, Ltd.
10502
4
CORE Linepipe Inc.
20
4
Fiber Glass Systems, L.P.
38
4
Fit-Line, Inc.
19
4
Georg Fischer JRG AG
41
4
Neoperl GmbH
627
4
Netafim, Ltd.
174
4
Other owners 345