- 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: 149
10-year publication summary
7
|
6
|
12
|
6
|
11
|
12
|
14
|
15
|
18
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NORMA Germany GmbH | 219 |
7 |
Halliburton Energy Services, Inc. | 20165 |
4 |
Vortex Pipe Systems LLC | 34 |
4 |
General Electric Company | 18133 |
3 |
Toyota Motor Corporation | 28582 |
3 |
Cummins Inc. | 2369 |
3 |
Geberit International AG | 202 |
3 |
NOVA Chemicals (International) S.A. | 717 |
3 |
Oil&Gas Metering Equipment s.r.o. | 5 |
3 |
Canon Inc. | 36841 |
2 |
Ford Global Technologies, LLC | 19702 |
2 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
Artisan Industries, Inc. | 22 |
2 |
Entegris, Inc. | 1736 |
2 |
Fujikoki Corporation | 330 |
2 |
Kalsi Engineering, Inc. | 50 |
2 |
KSB Aktiengesellschaft | 171 |
2 |
McCrometer, Inc. | 44 |
2 |
Naber Holding GmbH & Co. KG | 125 |
2 |
Somarakis, Inc. | 2 |
2 |
Other owners | 94 |