- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 9/00 - PrimingPreventing vapour lock
Patent holdings for IPC class F04D 9/00
Total number of patents in this class: 139
10-year publication summary
|
11
|
8
|
14
|
13
|
8
|
17
|
5
|
14
|
9
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20911 |
11 |
| Flow Control LLC. | 132 |
7 |
| Sulzer Management AG | 667 |
6 |
| Grundfos Holding A/S | 558 |
6 |
| Pierburg Pump Technology GmbH | 325 |
5 |
| Aspen Pumps Limited | 135 |
3 |
| Forum US, Inc. | 337 |
3 |
| Smith & Loveless, Inc. | 113 |
3 |
| KSB SE & Co. KGaA | 699 |
3 |
| PHINIA Jersey Holdings LLC | 366 |
3 |
| International Business Machines Corporation | 61305 |
2 |
| Andritz AG | 233 |
2 |
| Avent, Inc. | 932 |
2 |
| The Co-cal Group, LLC | 2 |
2 |
| DAB Pumps S.p.A. | 51 |
2 |
| Edwards Limited | 790 |
2 |
| Fresenius Medical Care Deutschland GmbH | 2155 |
2 |
| GEA Tuchenhagen GmbH | 146 |
2 |
| Godiva Limited | 7 |
2 |
| Inflow Systems Inc. | 7 |
2 |
| Other owners | 69 |