Patent holdings for IPC class F16L 21/06

Total number of patents in this class: 623

10-year publication summary

55
43
70
61
56
67
55
38
46
13
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Victaulic Company
664
71
ASC Engineered Solutions, LLC
278
39
Krausz Industries Ltd.
53
32
Taylor Kerr (Couplings) Limited
19
15
Eliezer Krausz Industrial Development Ltd.
24
13
Krausz Industries Development Ltd.
39
11
NORMA U.S. Holding LLC
84
11
Straub Werke AG
38
10
Etablissements Caillau
40
9
Total Piping Solutions Inc.
23
9
Dresser Tps, LLC
16
9
Mueller International, LLC
694
8
KLEIN, David
128
8
Tyco Fire Products LP
831
7
Shanghai Vision Mechanical Joint Co., Ltd.
13
7
Nibco Inc.
219
6
Romac Industries, Inc.
44
6
Halliburton Energy Services, Inc.
20165
5
The Boeing Company
19843
5
Nisshin Steel Co., Ltd.
401
5
Other owners 337