- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 39/00 - Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
Patent holdings for IPC class F16L 39/00
Total number of patents in this class: 612
10-year publication summary
|
40
|
45
|
36
|
33
|
56
|
28
|
33
|
39
|
32
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 10141 |
14 |
| The Boeing Company | 20196 |
13 |
| Airbus Operations GmbH | 3457 |
11 |
| Technip France | 674 |
11 |
| DEKA Products Limited Partnership | 1900 |
9 |
| Saipem S.A. | 232 |
9 |
| Subsea 7 Limited | 238 |
9 |
| VOSS Automotive GmbH | 222 |
9 |
| Winston Products LLC | 171 |
9 |
| Airbus Operations Limited | 1351 |
8 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
7 |
| WilMarc Holdings, LLC | 63 |
7 |
| Flexsteel USA, LLC | 173 |
7 |
| Airbus Operations S.A.S. | 2567 |
6 |
| Medtronic Xomed, Inc. | 603 |
5 |
| NORMA Germany GmbH | 251 |
5 |
| A. Raymond et Cie | 717 |
4 |
| Advanced Drainage Systems, Inc. | 407 |
4 |
| CORE Linepipe Inc. | 20 |
4 |
| Eisele Pneumatics GmbH & Co. KG | 16 |
4 |
| Other owners | 457 |