- 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: 38
10-year publication summary
1
|
6
|
0
|
9
|
3
|
7
|
1
|
3
|
3
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
National Coupling Company, Inc. | 61 |
4 |
TDW Delaware, Inc. | 163 |
3 |
AFGlobal UK Limited | 7 |
2 |
Dril-Quip, Inc. | 155 |
2 |
Rohr, Inc. | 653 |
2 |
Saudi Arabian Oil Company | 11322 |
2 |
De Pretto Industrie S.R.L. | 5 |
2 |
Baker Hughes Energy Technology UK Limited | 168 |
2 |
Cameron International Corporation | 1305 |
1 |
Freudenberg Oil & Gas, LLC | 48 |
1 |
GE Oil & Gas UK Limited | 170 |
1 |
Hoffman Enclosures, Inc. | 176 |
1 |
NOK Corporation | 2108 |
1 |
Oil States Energy Services, L.L.C. | 79 |
1 |
OneSubsea IP UK Limited | 378 |
1 |
Petrotechnologies, Inc. | 18 |
1 |
Sandvik Intellectual Property AB | 1634 |
1 |
Trendsetter Engineering, Inc. | 45 |
1 |
Vetco Gray Inc. | 163 |
1 |
Vetco Gray Scandinavia AS | 177 |
1 |
Other owners | 7 |