Patent holdings for IPC class F16L 1/11

Total number of patents in this class: 136

10-year publication summary

10
11
12
17
12
9
7
7
6
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Dura-Line LLC
69
10
Cciip LLC
28
9
Societe Plymouth Francaise
30
8
EAS IP, LLC
14
6
Saudi Arabian Oil Company
13372
6
Brandt Industries Canada Limited
49
3
Tracer Way Inc.
4
3
Schlumberger Canada Limited
7366
2
Schlumberger Technology B.v.
5183
2
Schlumberger Holdings Limited
2803
2
Hubbell Incorporated
3305
2
Cejn AB
51
2
Greenlee Textron Inc.
14
2
Prad Research and Development Limited
2692
2
Saipem S.p.A.
520
2
Services Petroliers Schlumberger
5828
2
Plyvaplast S.A. r.l
2
2
Core & Main LP
53
2
Acimex
6
2
Argeo Robotics AS
20
2
Other owners 65