- 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 17/08 - Metal sealing rings
Patent holdings for IPC class F16L 17/08
Total number of patents in this class: 36
10-year publication summary
|
6
|
0
|
9
|
3
|
7
|
1
|
3
|
3
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Coupling Company, Inc. | 60 |
4 |
| TDW Delaware, Inc. | 167 |
3 |
| AFGlobal UK Limited | 7 |
2 |
| Rohr, Inc. | 728 |
2 |
| Saudi Arabian Oil Company | 12446 |
2 |
| De Pretto Industrie S.R.L. | 5 |
2 |
| Baker Hughes Energy Technology UK Limited | 189 |
2 |
| Innovex International, Inc | 109 |
2 |
| Freudenberg Oil & Gas, LLC | 43 |
1 |
| GE Oil & Gas UK Limited | 161 |
1 |
| Hoffman Enclosures, Inc. | 187 |
1 |
| NOK Corporation | 2166 |
1 |
| Oil States Energy Services, L.L.C. | 76 |
1 |
| OneSubsea IP UK Limited | 399 |
1 |
| Petrotechnologies, Inc. | 17 |
1 |
| Sandvik Intellectual Property AB | 1542 |
1 |
| Trendsetter Engineering, Inc. | 44 |
1 |
| Vetco Gray Inc. | 152 |
1 |
| Vetco Gray Scandinavia AS | 172 |
1 |
| WellDynamics, Inc. | 48 |
1 |
| Other owners | 5 |