Patent holdings for IPC class F16L 55/26

Total number of patents in this class: 399

10-year publication summary

24
22
25
34
27
32
24
20
13
21
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LMK Technologies, LLC
104
15
Halliburton Energy Services, Inc.
20991
13
INA Acquisition Corp.
130
11
Saudi Arabian Oil Company
13442
11
Picote Oy Ltd
30
7
Per Aarsleff A/S
31
7
Aramco Services Company
4042
6
RedZone Robotics, Inc.
70
6
Pipetronics GmbH & Co. KG
19
6
Massachusetts Institute of Technology
10121
5
Liqui-force Sewer Services, Inc.
8
5
Pure Technologies Ltd.
81
5
TDW Delaware, Inc.
170
5
Baker Hughes Incorporated
5238
4
I.s.t. Innovative Sewer Technologies GmbH
6
4
Liqui-Force Services (Ontario) Inc.
11
4
MISTRAS Group, Inc.
68
4
Mueller International, LLC
725
4
Quanta Associates, L.P.
426
4
Sanexen Environmental Services Inc.
44
4
Other owners 269