- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 38
10-year publication summary
|
0
|
8
|
3
|
7
|
1
|
3
|
3
|
0
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Coupling Company, Inc. | 62 |
4 |
| TDW Delaware, Inc. | 164 |
3 |
| Rohr, Inc. | 774 |
2 |
| Saudi Arabian Oil Company | 13943 |
2 |
| De Pretto Industrie S.R.L. | 5 |
2 |
| Baker Hughes Energy Technology UK Limited | 233 |
2 |
| Innovex International, Inc | 124 |
2 |
| Chevron U.S.A. Inc. | 4073 |
1 |
| AFGlobal UK Limited | 3 |
1 |
| Freudenberg Oil & Gas, LLC | 38 |
1 |
| GE Oil & Gas UK Limited | 158 |
1 |
| Hoffman Enclosures, Inc. | 193 |
1 |
| NOK Corporation | 2283 |
1 |
| Oil States Energy Services, L.L.C. | 77 |
1 |
| OneSubsea IP UK Limited | 430 |
1 |
| Petrotechnologies, Inc. | 16 |
1 |
| Sandvik Intellectual Property AB | 1418 |
1 |
| Trendsetter Engineering, Inc. | 51 |
1 |
| Vetco Gray Inc. | 142 |
1 |
| Victaulic Company | 624 |
1 |
| Other owners | 8 |