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  • F - Mechanical engineeringlightingheatingweaponsblasting
  • F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
  • F16L 51/00 - Expansion-compensation arrangements for pipe-lines

Patent holdings for IPC class F16L 51/00

Total number of patents in this class: 129

10-year publication summary

12
10
9
8
13
6
8
5
4
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
NORMA Germany GmbH
249
3
Subsea 7 Limited
237
3
Victaulic Company
624
3
VOSS Automotive GmbH
221
3
Siemens AG
24033
2
Toyota Motor Corporation
35680
2
BTG International Limited
37
2
Georg Fischer Rohrleitungssysteme AG
132
2
Ipex Technologies Inc.
117
2
Jiangsu University
1166
2
Magma Global Limited
54
2
Omachron Intellectual Property Inc.
965
2
Shanghai United Imaging Healthcare Co., Ltd.
2114
2
Watertite Products, Inc.
101
2
Winston Products LLC
169
2
Hong, LEI
4
2
Jiangsu Beite Pipe Fittings Co., Ltd.
2
2
Zibo Environmental Protection Technology Co., Ltd.
83
2
Siemens Energy Global GmbH & Co. KG
3335
2
Jiangsu Yongli Pipeline Co., Ltd.
3
2
Other owners 85

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