- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 114
10-year publication summary
|
8
|
12
|
7
|
10
|
7
|
14
|
6
|
6
|
18
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Neoperl GmbH | 594 |
4 |
| Safehose Holding AS | 4 |
4 |
| Winston Products LLC | 158 |
4 |
| Kpr U.S., LLC | 650 |
4 |
| National Oilwell Varco, L.P. | 1689 |
3 |
| NxStage Medical, Inc. | 295 |
3 |
| Petroleo Brasileiro S.A. - Petrobras | 865 |
3 |
| Gates Engineering & Services UK Ltd | 5 |
3 |
| Flexsteel USA, LLC | 164 |
3 |
| The Boeing Company | 20131 |
2 |
| Blue-White Industries, Ltd., DBA Blue-White Industries | 73 |
2 |
| Frankische Industrial Pipes GmbH & Co. KG | 53 |
2 |
| Hi-Lex Corporation | 359 |
2 |
| NORMA U.S. Holding LLC | 76 |
2 |
| Wartsila Finland Oy | 737 |
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. | 20964 |
1 |
| Other owners | 62 |