Patent holdings for IPC class F16L 41/04

Total number of patents in this class: 111

10-year publication summary

8
15
11
10
7
7
8
9
8
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
TDW Delaware, Inc.
164
7
Alltemp Products Company Limited
41
5
KHOLLE Magnolia 2015, LLC
21
5
Fer-pal Construction Ltd.
46
4
INA Acquisition Corp.
129
4
BP Corporation North America Inc.
746
3
Cosmo Koki Co., Ltd.
21
3
ABB Schweiz AG
7441
2
Canada Pipeline Accessories, Co. Ltd.
88
2
Husqvarna AB
2980
2
Hydra-stop LLC
27
2
Oceaneering International, Inc.
413
2
Ravetti S.r.l.
15
2
Sanexen Environmental Services Inc.
27
2
Shonan Gosei-Jushi Seisakusho K.K.
39
2
Suiken Co., Ltd.
33
2
Total Piping Solutions Inc.
23
2
Corex, LLC
8
2
Heath Morgan Group Limited
2
2
Bechtel Energy Inc.
5
2
Other owners 54