Patent holdings for IPC class F16L 41/04

Total number of patents in this class: 92

10-year publication summary

3
6
11
9
8
17
11
12
7
6
2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Principal owners for this class

Owner
All patents
This class
Alltemp Products Company Limited
72
5
TDW Delaware, Inc.
150
5
KHOLLE Magnolia 2015, LLC
14
5
Sanexen Environmental Services Inc.
35
4
BP Corporation North America Inc.
836
3
INA Acquisition Corp.
151
3
Shonan Gosei-Jushi Seisakusho K.K.
48
3
Total Piping Solutions Inc.
40
3
Canada Pipeline Accessories, Co. Ltd.
73
2
Husqvarna AB
2616
2
Hydra-stop LLC
30
2
Suiken Co., Ltd.
30
2
Heath Morgan Group Limited
2
2
Bechtel Energy Inc.
7
2
Shell Internationale Research Maatschappij B.V.
4026
1
Caterpillar Inc.
7962
1
Shell Oil Company
2443
1
Continental Automotive GmbH
6110
1
Weatherford Technology Holdings, LLC
2505
1
ABB Schweiz AG
5863
1
Other owners 43