- 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: 602
10-year publication summary
|
87
|
64
|
38
|
42
|
38
|
48
|
47
|
69
|
63
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Grundfos Holding A/S | 595 |
32 |
| KSB SE & Co. KGaA | 719 |
22 |
| Sulzer Management AG | 697 |
16 |
| Levitronix GmbH | 76 |
12 |
| Coavis | 85 |
9 |
| Pierburg Pump Technology GmbH | 330 |
9 |
| Nuovo Pignone Tecnologie S.r.l. | 1151 |
9 |
| Halliburton Energy Services, Inc. | 21217 |
8 |
| Cooler Master Co., Ltd. | 257 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 321 |
8 |
| Ebara Corporation | 2270 |
7 |
| KSB Aktiengesellschaft | 156 |
6 |
| Weir Minerals Australia, Ltd. | 311 |
6 |
| Johnson Electric International AG | 380 |
6 |
| Tc1 LLC | 626 |
6 |
| LG Electronics Inc. | 75045 |
5 |
| Terumo Kabushiki Kaisha | 5734 |
5 |
| Bühler Motor GmbH | 126 |
5 |
| Fluid Handling LLC | 256 |
5 |
| ITT Manufacturing Enterprises LLC | 417 |
5 |
| Other owners | 413 |