- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 3/00 - Axial-flow pumps
Patent holdings for IPC class F04D 3/00
Total number of patents in this class: 281
10-year publication summary
|
31
|
18
|
38
|
18
|
24
|
21
|
17
|
25
|
20
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECP Entwicklungsgesellschaft mbH | 254 |
33 |
| AIS GmbH Aachen Innovative Solutions | 33 |
10 |
| Tc1 LLC | 627 |
7 |
| Aisan Kogyo Kabushiki Kaisha | 770 |
6 |
| Nuhn Industries Limited | 62 |
6 |
| The Penn State Research Foundation | 1611 |
6 |
| Hewlett Packard Enterprise Development LP | 11501 |
5 |
| ABIOMED, Inc. | 903 |
5 |
| Jiangsu University | 1167 |
5 |
| Sulzer Management AG | 712 |
5 |
| OneSubsea IP UK Limited | 439 |
4 |
| Procyrion, Inc. | 53 |
4 |
| Pyrotek, Inc. | 207 |
4 |
| Voith Patent GmbH | 2747 |
4 |
| Halliburton Energy Services, Inc. | 21320 |
3 |
| Boston Scientific Scimed, Inc. | 11169 |
3 |
| Abiomed Europe GmbH | 307 |
3 |
| Broan-NuTone LLC | 466 |
3 |
| Edwards Japan Limited | 439 |
3 |
| Heraeus Deutschland GmbH & Co. KG | 403 |
3 |
| Other owners | 159 |