- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 1/00 - Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
Patent holdings for IPC class F04D 1/00
Total number of patents in this class: 472
10-year publication summary
|
64
|
97
|
87
|
64
|
38
|
42
|
35
|
47
|
46
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 506 |
28 |
| Sulzer Management AG | 613 |
14 |
| KSB SE & Co. KGaA | 628 |
12 |
| ITT Manufacturing Enterprises LLC | 518 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 230 |
8 |
| Halliburton Energy Services, Inc. | 20165 |
7 |
| Pierburg Pump Technology GmbH | 305 |
7 |
| Tc1 LLC | 591 |
7 |
| Ebara Corporation | 1951 |
6 |
| KSB Aktiengesellschaft | 171 |
6 |
| Nuovo Pignone Tecnologie S.r.l. | 789 |
6 |
| BiVACOR Inc. | 13 |
6 |
| Terumo Kabushiki Kaisha | 5216 |
5 |
| Cooler Master Co., Ltd. | 191 |
5 |
| Fluid Handling LLC | 241 |
5 |
| Nidec GPM GmbH | 152 |
5 |
| Pentair Water Pool and Spa, Inc. | 457 |
5 |
| Wilo SE | 190 |
5 |
| ResMed Pty Ltd | 1995 |
5 |
| LG Electronics Inc. | 69257 |
4 |
| Other owners | 318 |