- 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 55/175 - Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
Patent holdings for IPC class F16L 55/175
Total number of patents in this class: 85
10-year publication summary
|
6
|
14
|
7
|
9
|
10
|
14
|
5
|
8
|
7
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dexerials Corporation | 1826 |
6 |
| CSC Operating Company, LLC | 50 |
5 |
| Subsea 7 Limited | 208 |
4 |
| Illinois Tool Works Inc. | 11152 |
3 |
| Cox Engineering Company | 12 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 730 |
3 |
| Severn Trent Water Limited | 7 |
3 |
| WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd. | 16 |
3 |
| Beijing Safetech Pipeline Co., Ltd. | 7 |
2 |
| Dresser, Inc. | 123 |
2 |
| Saipem S.p.A. | 513 |
2 |
| ShawCor Ltd. | 79 |
2 |
| Shore Acres Enterprises Inc. | 26 |
2 |
| TEAM Industrial Services, Inc. | 68 |
2 |
| Enduratec Ltd | 2 |
2 |
| Infrastructure Renewal Institute of Southern China | 9 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| 3X Engineering | 23 |
1 |
| Ashimori Engineering Co., Ltd. | 6 |
1 |
| Ashimori Industry Co., Ltd. | 264 |
1 |
| Other owners | 35 |