- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 13/04 - Units comprising pumps and their driving means the pump being fluid-driven
Patent holdings for IPC class F04D 13/04
Total number of patents in this class: 123
10-year publication summary
|
7
|
21
|
20
|
20
|
15
|
9
|
13
|
10
|
9
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aerojet Rocketdyne, Inc. | 155 |
5 |
| IHI Corporation | 3268 |
4 |
| Hamilton Sundstrand Corporation | 4525 |
3 |
| Blue Origin, LLC | 120 |
3 |
| Concepts Nrec, LLC | 58 |
3 |
| Energy Recovery, Inc. | 168 |
3 |
| Fluid Equipment Development Company, LLC | 84 |
3 |
| Forum US, Inc. | 315 |
3 |
| IFP Energies Nouvelles | 2717 |
3 |
| Indiana University Research and Technology Corporation | 808 |
3 |
| Oshkosh Corporation | 1006 |
3 |
| Pemberton Patents LLC | 5 |
3 |
| Enogia | 17 |
3 |
| JPMorgan Chase Bank, National Association | 10964 |
2 |
| Aqysta Holding B.V. | 3 |
2 |
| Echogen Power Systems, LLC | 63 |
2 |
| Federal Industries, Inc. | 5 |
2 |
| FMC Technologies, Inc. | 603 |
2 |
| Q.E.D. Environmental Systems, Inc. | 86 |
2 |
| Safran Aircraft Engines | 5739 |
2 |
| Other owners | 67 |