- 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: 328
10-year publication summary
|
41
|
54
|
25
|
25
|
22
|
23
|
16
|
12
|
9
|
3
|
| 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 | 451 |
18 |
| Nippon Steel Corporation | 6687 |
12 |
| Innovex International, Inc | 124 |
10 |
| Halliburton Energy Services, Inc. | 21169 |
8 |
| Mueller International, LLC | 735 |
7 |
| Oridion Medical 1987 Ltd. | 172 |
7 |
| Swagelok Company | 319 |
7 |
| IDEX Health & Science LLC | 204 |
6 |
| Vetco Gray Inc. | 142 |
6 |
| Vetco Gray, LLC | 148 |
6 |
| Evolution Engineering Inc. | 300 |
5 |
| National Oilwell Varco, L.P. | 1700 |
5 |
| Itrec B.V. | 502 |
4 |
| Tenaris Connections B.V. | 189 |
4 |
| Uniweld Products, Inc. | 75 |
4 |
| International Business Machines Corporation | 62182 |
3 |
| Agilent Technologies, Inc. | 2644 |
3 |
| 925599 Alberta Ltd. | 11 |
3 |
| ArcelorMittal Tubular Products Luxembourg S.A. | 10 |
3 |
| JPB Systeme | 61 |
3 |
| Other owners | 204 |