- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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 bends; Construction of pipe conduit elements or elbows with respect to flow, specially for reducing losses of flow
Patent holdings for IPC class F15D 1/04
Total number of patents in this class: 154
10-year publication summary
|
6
|
12
|
6
|
11
|
12
|
14
|
15
|
19
|
7
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NORMA Germany GmbH | 222 |
8 |
| Geberit International AG | 264 |
7 |
| Vortex Pipe Systems LLC | 40 |
5 |
| Halliburton Energy Services, Inc. | 20419 |
4 |
| General Electric Company | 17783 |
3 |
| Toyota Motor Corporation | 30398 |
3 |
| Cummins Inc. | 2470 |
3 |
| NOVA Chemicals (International) S.A. | 758 |
3 |
| Canon Inc. | 38114 |
2 |
| Ford Global Technologies, LLC | 20063 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 40583 |
2 |
| Artisan Industries, Inc. | 20 |
2 |
| Entegris, Inc. | 1809 |
2 |
| Fujikoki Corporation | 363 |
2 |
| Kalsi Engineering, Inc. | 57 |
2 |
| KSB Aktiengesellschaft | 165 |
2 |
| McCrometer, Inc. | 44 |
2 |
| Naber Holding GmbH & Co. KG | 177 |
2 |
| Somarakis, Inc. | 2 |
2 |
| Spears Manufacturing Co. | 44 |
2 |
| Other owners | 94 |