- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 21/06 - Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
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 |