- 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 39/02 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies for hoses
Patent holdings for IPC class F16L 39/02
Total number of patents in this class: 118
10-year publication summary
|
8
|
12
|
7
|
10
|
8
|
15
|
6
|
6
|
18
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Safehose Holding AS | 6 |
6 |
| Neoperl GmbH | 607 |
4 |
| Winston Products LLC | 154 |
4 |
| National Oilwell Varco, L.P. | 1627 |
3 |
| NxStage Medical, Inc. | 299 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 782 |
3 |
| Kpr U.S., LLC | 670 |
3 |
| Gates Engineering & Services UK Ltd | 5 |
3 |
| Flexsteel Pipeline Technologies, LLC | 141 |
3 |
| The Boeing Company | 19911 |
2 |
| Blue-White Industries, Ltd., DBA Blue-White Industries | 70 |
2 |
| Frankische Industrial Pipes GmbH & Co. KG | 48 |
2 |
| Hi-Lex Corporation | 344 |
2 |
| NORMA U.S. Holding LLC | 83 |
2 |
| Wartsila Finland Oy | 740 |
2 |
| Emstec GmbH | 6 |
2 |
| Jostein Hauge Holding AS | 2 |
2 |
| DDC Engineering B.V. | 4 |
2 |
| ND Energy Services Management, Inc. | 2 |
2 |
| Halliburton Energy Services, Inc. | 20438 |
1 |
| Other owners | 65 |