Patent holdings for IPC class F16L 21/06

Total number of patents in this class: 654

10-year publication summary

35
52
52
49
58
46
40
45
40
24
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Victaulic Company
614
78
ASC Engineered Solutions, LLC
308
42
Krausz Industries Ltd.
58
33
Taylor Kerr (Couplings) Limited
19
15
Eliezer Krausz Industrial Development Ltd.
24
13
Krausz Industries Development Ltd.
34
11
NORMA U.S. Holding LLC
75
11
Straub Werke AG
38
10
Dresser Water, LLC
25
10
Total Piping Solutions Inc.
23
9
Mueller International, LLC
725
8
Tyco Fire Products LP
857
8
KLEIN, David
128
8
Etablissements Caillau
38
7
Sensus Spectrum LLC
271
7
Shanghai Vision Mechanical Joint Co., Ltd.
14
7
Halliburton Energy Services, Inc.
20991
6
Nibco Inc.
233
6
Romac Industries, Inc.
44
6
Caillau
46
6
Other owners 353