- 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 39/00 - 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: 594
10-year publication summary
|
60
|
33
|
39
|
45
|
35
|
33
|
54
|
27
|
30
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 8674 |
14 |
| The Boeing Company | 19843 |
13 |
| Saipem S.A. | 223 |
11 |
| Technip France | 737 |
11 |
| DEKA Products Limited Partnership | 1640 |
9 |
| Trinity Bay Equipment Holdings, LLC | 244 |
9 |
| Airbus Operations GmbH | 3188 |
8 |
| Subsea 7 Limited | 208 |
8 |
| VOSS Automotive GmbH | 211 |
8 |
| WilMarc Holdings, LLC | 54 |
7 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
6 |
| Airbus Operations S.A.S. | 2407 |
5 |
| Airbus Operations Limited | 1157 |
5 |
| Nippon Pillar Packing Co., Ltd. | 269 |
5 |
| NORMA Germany GmbH | 219 |
5 |
| Staubli Faverges | 162 |
5 |
| Sumitomo Riko Company Limited | 962 |
5 |
| Eaton Intelligent Power Limited | 6113 |
5 |
| Medtronic Xomed, Inc. | 669 |
4 |
| CORE Linepipe Inc. | 17 |
4 |
| Other owners | 447 |