- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 115
10-year publication summary
|
5
|
17
|
9
|
9
|
2
|
8
|
7
|
11
|
6
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Krausz Industries Ltd. | 61 |
13 |
| Total Piping Solutions Inc. | 23 |
11 |
| Dresser Water, LLC | 26 |
10 |
| Petroleo Brasileiro S.A. - Petrobras | 922 |
4 |
| Straub Werke AG | 36 |
4 |
| TEAM Industrial Services, Inc. | 67 |
4 |
| 3X Engineering | 23 |
3 |
| Cox Engineering Company | 16 |
3 |
| Eliezer Krausz Industrial Development Ltd. | 24 |
3 |
| Taisei Kako Co., Ltd. | 161 |
3 |
| Colt Services, LLC | 10 |
3 |
| Dresser Tps, LLC | 3 |
3 |
| Yokohama City | 3 |
3 |
| Krausz Industries Development Ltd. | 34 |
2 |
| Pipe Line Development Company, The | 8 |
2 |
| Taylor Kerr (Couplings) Limited | 19 |
2 |
| TDW Offshore Services AS | 17 |
2 |
| Waterworks Technology Development Organization Co., Ltd. | 40 |
2 |
| Western Specialties, LLC | 6 |
2 |
| Hosepatch Pty Ltd | 2 |
2 |
| Other owners | 34 |