- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F15D - Fluid dynamics, i.e. methods or means for influencing the flow of gases or liquids
- F15D 1/04 - Arrangements of guide vanes in pipe elbows or duct bendsConstruction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow
Patent holdings for IPC class F15D 1/04
Total number of patents in this class: 155
10-year publication summary
|
5
|
11
|
5
|
10
|
11
|
13
|
15
|
17
|
7
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NORMA Germany GmbH | 229 |
8 |
| Geberit International AG | 269 |
7 |
| Vortex Pipe Systems LLC | 40 |
5 |
| Halliburton Energy Services, Inc. | 20924 |
4 |
| General Electric Company | 13806 |
3 |
| Toyota Motor Corporation | 32542 |
3 |
| Cummins Inc. | 2596 |
3 |
| NOVA Chemicals (International) S.A. | 775 |
3 |
| Canon Inc. | 40165 |
2 |
| Ford Global Technologies, LLC | 20668 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43015 |
2 |
| Artisan Industries, Inc. | 20 |
2 |
| Entegris, Inc. | 1882 |
2 |
| Fujikoki Corporation | 384 |
2 |
| Kalsi Engineering, Inc. | 53 |
2 |
| KSB Aktiengesellschaft | 162 |
2 |
| McCrometer, Inc. | 43 |
2 |
| Naber Holding GmbH & Co. KG | 149 |
2 |
| Somarakis, Inc. | 2 |
2 |
| Spears Manufacturing Co. | 43 |
2 |
| Other owners | 95 |