- 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: 587
10-year publication summary
|
86
|
61
|
37
|
38
|
37
|
48
|
44
|
68
|
59
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 577 |
31 |
| KSB SE & Co. KGaA | 708 |
21 |
| Sulzer Management AG | 689 |
16 |
| Levitronix GmbH | 75 |
12 |
| Pierburg Pump Technology GmbH | 329 |
9 |
| Nuovo Pignone Tecnologie S.r.l. | 1107 |
9 |
| Halliburton Energy Services, Inc. | 21107 |
8 |
| Cooler Master Co., Ltd. | 243 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 312 |
8 |
| Ebara Corporation | 2252 |
7 |
| Coavis | 80 |
7 |
| LG Electronics Inc. | 74373 |
6 |
| KSB Aktiengesellschaft | 159 |
6 |
| Weir Minerals Australia, Ltd. | 310 |
6 |
| Terumo Kabushiki Kaisha | 5670 |
5 |
| Bühler Motor GmbH | 127 |
5 |
| Fluid Handling LLC | 250 |
5 |
| ITT Manufacturing Enterprises LLC | 406 |
5 |
| MAHLE International GmbH | 2846 |
5 |
| Nidec GPM GmbH | 141 |
5 |
| Other owners | 403 |