- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 9/19 - Multi-channel pipes or pipe assemblies
Patent holdings for IPC class F16L 9/19
Total number of patents in this class: 219
10-year publication summary
|
16
|
29
|
24
|
19
|
17
|
16
|
10
|
16
|
14
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Milliken & Company | 1183 |
7 |
| Rtx Corporation | 9601 |
7 |
| Woodward, Inc. | 659 |
6 |
| Airbus Operations GmbH | 3381 |
5 |
| Acergy France SAS | 132 |
5 |
| Subsea 7 Norway AS | 90 |
5 |
| Flexsteel USA, LLC | 165 |
5 |
| The Boeing Company | 20186 |
4 |
| Technip France | 699 |
4 |
| General Electric Company | 13830 |
3 |
| Airbus Operations S.A.S. | 2510 |
3 |
| CCI Piping System, LLC | 3 |
3 |
| Rolls-Royce PLC | 3159 |
2 |
| Hamilton Sundstrand Corporation | 4956 |
2 |
| Chevron U.S.A. Inc. | 4020 |
2 |
| The Furukawa Electric Co., Ltd. | 3703 |
2 |
| Aker Solutions AS | 243 |
2 |
| CJS Production Technologies Inc. | 3 |
2 |
| DIC Corporation | 3854 |
2 |
| Fresenius Medical Care Deutschland GmbH | 2189 |
2 |
| Other owners | 146 |