- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 87
10-year publication summary
|
7
|
9
|
10
|
14
|
5
|
8
|
8
|
5
|
7
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Henkel AG & Co. KGaA | 10774 |
6 |
| Dexerials Corporation | 2005 |
6 |
| Saudi Arabian Oil Company | 14349 |
4 |
| Subsea 7 Limited | 239 |
4 |
| Cox Engineering Company | 17 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 975 |
3 |
| WELEAD Infrastructure Engineering Technology (Zhengzhou), Ltd. | 11 |
3 |
| Illinois Tool Works Inc. | 11867 |
2 |
| Beijing Safetech Pipeline Co., Ltd. | 7 |
2 |
| Saipem S.p.A. | 528 |
2 |
| Severn Trent Water Limited | 4 |
2 |
| ShawCor Ltd. | 70 |
2 |
| Shore Acres Enterprises Inc. | 27 |
2 |
| TEAM Industrial Services, Inc. | 66 |
2 |
| Enduratec Ltd | 3 |
2 |
| Infrastructure Renewal Institute of Southern China | 5 |
2 |
| Halliburton Energy Services, Inc. | 21284 |
1 |
| The Boeing Company | 20197 |
1 |
| Ashimori Engineering Co., Ltd. | 5 |
1 |
| Ashimori Industry Co., Ltd. | 263 |
1 |
| Other owners | 36 |