- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 13/02 - Units comprising pumps and their driving means
Patent holdings for IPC class F04D 13/02
Total number of patents in this class: 716
10-year publication summary
|
71
|
86
|
79
|
65
|
65
|
70
|
62
|
54
|
36
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terumo Kabushiki Kaisha | 5530 |
26 |
| Halliburton Energy Services, Inc. | 20891 |
16 |
| Nuhn Industries Limited | 58 |
16 |
| Miracor Medical SA | 57 |
15 |
| Ecotech, Inc. | 20 |
14 |
| Industrie Saleri Italo S.p.A. | 75 |
13 |
| KSB SE & Co. KGaA | 700 |
13 |
| Procyrion, Inc. | 52 |
11 |
| Baruffaldi S.p.A. | 30 |
10 |
| Klaus Union GmbH & Co. KG | 25 |
10 |
| Pierburg Pump Technology GmbH | 323 |
10 |
| ITT Manufacturing Enterprises LLC | 406 |
9 |
| KSB Aktiengesellschaft | 163 |
9 |
| Grundfos Holding A/S | 556 |
9 |
| PeopleFlo Manufacturing, Inc. | 18 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2301 |
8 |
| Upwing Energy, Inc. | 50 |
8 |
| General Electric Company | 13780 |
7 |
| Upwing Energy LLC | 40 |
7 |
| Ecotech, LLC | 83 |
7 |
| Other owners | 490 |