Patent holdings for IPC class F16L 41/04

Total number of patents in this class: 100

10-year publication summary

9
8
16
11
13
7
8
9
10
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
TDW Delaware, Inc.
168
7
Alltemp Products Company Limited
47
5
KHOLLE Magnolia 2015, LLC
22
5
INA Acquisition Corp.
131
4
BP Corporation North America Inc.
744
3
Sanexen Environmental Services Inc.
41
3
ABB Schweiz AG
6976
2
Canada Pipeline Accessories, Co. Ltd.
94
2
Cosmo Koki Co., Ltd.
20
2
Husqvarna AB
2912
2
Hydra-stop LLC
28
2
Ravetti S.r.l.
15
2
Shonan Gosei-Jushi Seisakusho K.K.
37
2
Suiken Co., Ltd.
32
2
Total Piping Solutions Inc.
23
2
Heath Morgan Group Limited
2
2
Bechtel Energy Inc.
6
2
M&J Enterprises, LLC
2
2
Texas Real Energy Solutions, LLC
2
2
Shell Internationale Research Maatschappij B.V.
3537
1
Other owners 46