- 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: 273
10-year publication summary
|
41
|
29
|
18
|
37
|
17
|
24
|
20
|
17
|
20
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECP Entwicklungsgesellschaft mbH | 230 |
30 |
| AIS GmbH Aachen Innovative Solutions | 33 |
10 |
| Tc1 LLC | 621 |
9 |
| The Penn State Research Foundation | 1543 |
8 |
| Aisan Kogyo Kabushiki Kaisha | 743 |
6 |
| ABIOMED, Inc. | 767 |
5 |
| Nuhn Industries Limited | 58 |
5 |
| Sulzer Management AG | 677 |
5 |
| Jiangsu University | 1112 |
4 |
| OneSubsea IP UK Limited | 423 |
4 |
| Procyrion, Inc. | 48 |
4 |
| Pyrotek, Inc. | 200 |
4 |
| Voith Patent GmbH | 2767 |
4 |
| Halliburton Energy Services, Inc. | 20946 |
3 |
| Hewlett Packard Enterprise Development LP | 10744 |
3 |
| Abiomed Europe GmbH | 251 |
3 |
| Edwards Japan Limited | 426 |
3 |
| Heraeus Deutschland GmbH & Co. KG | 418 |
3 |
| Nuovo Pignone Tecnologie S.r.l. | 998 |
3 |
| Grundfos Holding A/S | 563 |
3 |
| Other owners | 154 |