- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 15/06 - Screw-threaded jointsForms of screw-threads for such joints characterised by the shape of the screw-thread
Patent holdings for IPC class F16L 15/06
Total number of patents in this class: 411
10-year publication summary
|
27
|
13
|
26
|
23
|
23
|
27
|
23
|
26
|
15
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6334 |
62 |
| Vallourec Oil and Gas France | 453 |
60 |
| Hydril Company | 92 |
24 |
| JFE Steel Corporation | 6916 |
17 |
| Nippon Steel Corporation | 28 |
8 |
| Marubeni-Itochu Tubulars America Inc. | 15 |
7 |
| Vallourec Mannesmann Oil & Gas France | 59 |
6 |
| Diversity Technologies Corporation | 50 |
5 |
| Sandvik Intellectual Property AB | 1476 |
5 |
| Saudi Arabian Oil Company | 13349 |
5 |
| Rotary Connections International Ltd. | 16 |
5 |
| Schlumberger Technology Corporation | 10868 |
4 |
| Halliburton Energy Services, Inc. | 20944 |
4 |
| Certus Energy Solutions, LLC | 5 |
4 |
| Houston International Specialty, Inc. | 7 |
4 |
| Sumitomo Metal Industries, Ltd. | 368 |
4 |
| Tenaris Connections B.V. | 172 |
4 |
| voestalpine Tubulars GmbH & Co KG | 48 |
4 |
| Sandvik Mining and Construction Tools AB | 172 |
4 |
| Valora Engineering Ltd. | 7 |
4 |
| Other owners | 171 |