- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 15/08 - Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
Patent holdings for IPC class F16L 15/08
Total number of patents in this class: 321
10-year publication summary
|
47
|
59
|
42
|
57
|
27
|
25
|
26
|
23
|
16
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vallourec Oil and Gas France | 450 |
16 |
| Nippon Steel Corporation | 5649 |
13 |
| Dril-Quip, Inc. | 155 |
10 |
| Halliburton Energy Services, Inc. | 20165 |
8 |
| Oridion Medical 1987 Ltd. | 174 |
7 |
| Swagelok Company | 325 |
7 |
| Advanced Composite Products & Technology, Inc. | 11 |
6 |
| IDEX Health & Science LLC | 205 |
6 |
| Vetco Gray Inc. | 163 |
6 |
| Vetco Gray, LLC | 161 |
6 |
| Evolution Engineering Inc. | 313 |
5 |
| Mueller International, LLC | 694 |
5 |
| National Oilwell Varco, L.P. | 1604 |
5 |
| Tenaris Connections B.V. | 171 |
5 |
| Uniweld Products, Inc. | 73 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| Agilent Technologies, Inc. | 2744 |
3 |
| ArcelorMittal Tubular Products Luxembourg S.A. | 10 |
3 |
| Itrec B.V. | 477 |
3 |
| JPB Systeme | 42 |
3 |
| Other owners | 197 |