Patent holdings for IPC class F16L 55/163

Total number of patents in this class: 200

10-year publication summary

15
23
21
15
30
24
17
14
12
5
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
LMK Technologies, LLC
114
20
Mueller International, LLC
694
20
Nu Flow Technologies 2000 Inc.
33
8
Graf Patentverwertungs GbR
6
6
INA Acquisition Corp.
134
6
Press-seal Corporation
38
4
Terves, LLC
52
4
Halliburton Energy Services, Inc.
20165
3
Fer-pal Construction Ltd.
15
3
Liqui-Force Services (Ontario) Inc.
11
3
Perma-liner Industries, LLC
26
3
Sanexen Environmental Services Inc.
39
3
Sekisui Chemical Co., Ltd.
3159
3
Shonan Gosei-Jushi Seisakusho K.K.
44
3
Titan CMP Solutions LLC
8
3
Vetter GmbH
47
3
Bld Services, LLC
3
3
Isealate AS
5
3
BOHNET, Hans
6
3
WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd.
16
3
Other owners 93