- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/18 - Rotors
Patent holdings for IPC class F04D 29/18
Total number of patents in this class: 568
10-year publication summary
|
52
|
66
|
59
|
56
|
69
|
56
|
72
|
47
|
44
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ECP Entwicklungsgesellschaft mbH | 215 |
69 |
| Tc1 LLC | 591 |
19 |
| Magenta Medical Ltd. | 114 |
18 |
| The Penn State Research Foundation | 1423 |
12 |
| AIS GmbH Aachen Innovative Solutions | 33 |
9 |
| Aisan Kogyo Kabushiki Kaisha | 722 |
9 |
| HeartWare, Inc. | 370 |
9 |
| Procyrion, Inc. | 47 |
9 |
| Sulzer Management AG | 613 |
9 |
| Robert Bosch GmbH | 40953 |
7 |
| Grundfos Holding A/S | 506 |
7 |
| ABIOMED, Inc. | 568 |
6 |
| Fineheart | 59 |
6 |
| Delphi Technologies IP Limited | 1081 |
6 |
| Rtx Corporation | 8674 |
6 |
| Continental Automotive GmbH | 5573 |
5 |
| Kardion GmbH | 143 |
5 |
| General Electric Company | 18133 |
4 |
| Halliburton Energy Services, Inc. | 20165 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| Other owners | 345 |