- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 15/08 - Screw-threaded jointsForms of screw-threads for such joints with supplementary elements
Patent holdings for IPC class F16L 15/08
Total number of patents in this class: 331
10-year publication summary
|
42
|
57
|
27
|
25
|
26
|
24
|
17
|
14
|
10
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vallourec Oil and Gas France | 457 |
18 |
| Nippon Steel Corporation | 6839 |
12 |
| Innovex International, Inc | 129 |
10 |
| Halliburton Energy Services, Inc. | 21306 |
8 |
| Mueller International, LLC | 744 |
7 |
| Oridion Medical 1987 Ltd. | 174 |
7 |
| Swagelok Company | 317 |
7 |
| IDEX Health & Science LLC | 202 |
6 |
| Vetco Gray Inc. | 140 |
6 |
| Vetco Gray, LLC | 146 |
6 |
| Evolution Engineering Inc. | 301 |
5 |
| National Oilwell Varco, L.P. | 1699 |
5 |
| Itrec B.V. | 503 |
4 |
| Tenaris Connections B.V. | 192 |
4 |
| Uniweld Products, Inc. | 72 |
4 |
| Baker Hughes Oilfield Operations, LLC | 2526 |
4 |
| International Business Machines Corporation | 62612 |
3 |
| Agilent Technologies, Inc. | 2639 |
3 |
| 925599 Alberta Ltd. | 11 |
3 |
| ArcelorMittal Tubular Products Luxembourg S.A. | 10 |
3 |
| Other owners | 206 |