- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 1/00 - Radial-flow pumps, e.g. centrifugal pumpsHelico-centrifugal pumps
Patent holdings for IPC class F04D 1/00
Total number of patents in this class: 637
10-year publication summary
|
87
|
64
|
38
|
42
|
38
|
48
|
47
|
72
|
65
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 616 |
33 |
| KSB SE & Co. KGaA | 748 |
26 |
| Sulzer Management AG | 719 |
16 |
| Levitronix GmbH | 86 |
12 |
| Coavis | 89 |
9 |
| Pierburg Pump Technology GmbH | 334 |
9 |
| Wilo SE | 202 |
9 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 339 |
9 |
| Nuovo Pignone Tecnologie S.r.l. | 1121 |
9 |
| Halliburton Energy Services, Inc. | 21259 |
8 |
| Ebara Corporation | 2388 |
8 |
| Cooler Master Co., Ltd. | 270 |
8 |
| PENTAIR Flow Technologies, LLC | 176 |
7 |
| BiVACOR Inc. | 18 |
7 |
| KSB Aktiengesellschaft | 153 |
6 |
| Nidec GPM GmbH | 144 |
6 |
| Weir Minerals Australia, Ltd. | 313 |
6 |
| Johnson Electric International AG | 380 |
6 |
| Tc1 LLC | 632 |
6 |
| LG Electronics Inc. | 76283 |
5 |
| Other owners | 432 |