Patent holdings for IPC class F16L 1/11

Total number of patents in this class: 136

10-year publication summary

12
14
17
13
10
9
8
8
3
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Dura-Line LLC
65
10
Cciip LLC
28
9
Societe Plymouth Francaise
30
8
EAS IP, LLC
14
6
Saudi Arabian Oil Company
13953
6
Brandt Industries Canada Limited
56
3
Tracer Way Inc.
3
3
Schlumberger Canada Limited
7558
2
Schlumberger Technology B.v.
5267
2
Schlumberger Holdings Limited
2735
2
Hubbell Incorporated
3408
2
Cejn AB
51
2
Greenlee Textron Inc.
13
2
Prad Research and Development Limited
2679
2
Saipem S.p.A.
517
2
Services Petroliers Schlumberger
5977
2
Plyvaplast S.A. r.l
2
2
Core & Main LP
52
2
Acimex
6
2
Schlumberger Technology Corporation
11485
1
Other owners 66