- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 667
10-year publication summary
|
69
|
71
|
86
|
79
|
65
|
65
|
68
|
55
|
47
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Terumo Kabushiki Kaisha | 5216 |
26 |
| Nuhn Industries Limited | 56 |
14 |
| Halliburton Energy Services, Inc. | 20165 |
13 |
| Industrie Saleri Italo S.p.A. | 65 |
13 |
| Ecotech, Inc. | 18 |
12 |
| ITT Manufacturing Enterprises LLC | 518 |
11 |
| Klaus Union GmbH & Co. KG | 19 |
10 |
| Grundfos Holding A/S | 506 |
10 |
| KSB Aktiengesellschaft | 171 |
9 |
| Pierburg Pump Technology GmbH | 305 |
9 |
| Miracor Medical SA | 55 |
9 |
| PeopleFlo Manufacturing, Inc. | 20 |
8 |
| Procyrion, Inc. | 47 |
8 |
| KSB SE & Co. KGaA | 628 |
8 |
| Upwing Energy, Inc. | 49 |
8 |
| Baruffaldi S.p.A. | 26 |
7 |
| Upwing Energy LLC | 41 |
7 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
6 |
| Luraco Health and Beauty, LLC. | 9 |
6 |
| Other owners | 467 |