- 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 55/172 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
Patent holdings for IPC class F16L 55/172
Total number of patents in this class: 102
10-year publication summary
7
|
14
|
7
|
20
|
11
|
12
|
3
|
8
|
7
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Krausz Industries Ltd. | 53 |
13 |
Total Piping Solutions Inc. | 23 |
11 |
Dresser Tps, LLC | 16 |
9 |
Petroleo Brasileiro S.A. - Petrobras | 730 |
4 |
TEAM Industrial Services, Inc. | 68 |
4 |
3X Engineering | 23 |
3 |
Cox Engineering Company | 12 |
3 |
Eliezer Krausz Industrial Development Ltd. | 24 |
3 |
Straub Werke AG | 38 |
3 |
The Commonwealth of Australia | 74 |
2 |
Krausz Industries Development Ltd. | 39 |
2 |
NORMA U.S. Holding LLC | 84 |
2 |
Petrosleeve Incorporated | 6 |
2 |
Pipe Line Development Company, The | 8 |
2 |
Taylor Kerr (Couplings) Limited | 19 |
2 |
TDW Offshore Services AS | 27 |
2 |
Waterworks Technology Development Organization Co., Ltd. | 41 |
2 |
Western Specialties, LLC | 8 |
2 |
Hosepatch Pty Ltd | 2 |
2 |
Colt Services, LLC | 9 |
2 |
Other owners | 27 |