Patent holdings for IPC class F16L 55/179

Total number of patents in this class: 194

10-year publication summary

21
13
22
20
24
15
9
12
9
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LMK Technologies, LLC
109
47
Trelleborg Pipe Seals Duisburg GmbH
26
12
Picote Oy Ltd
30
10
Per Aarsleff A/S
23
8
Pipetronics GmbH & Co. KG
17
8
INA Acquisition Corp.
131
6
Picote Solutions Oy Ltd.
24
6
LMK Enterprises, Inc.
11
5
Sanexen Environmental Services Inc.
41
5
Liqui-force Sewer Services, Inc.
8
4
Bld Services, LLC
4
4
Curapipe System Ltd.
28
3
Liqui-Force Services (Ontario) Inc.
11
3
Improved Infrastructure Solutions, LLC,
5
3
Ibco Pty Ltd
6
3
Fer-pal Construction Ltd.
15
2
Perma-liner Industries, LLC
33
2
SAK Construction, LLC
10
2
Severn Trent Water Limited
7
2
TEAM Industrial Services, Inc.
69
2
Other owners 57