- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 9/02 - Self-priming pumps
Patent holdings for IPC class F04D 9/02
Total number of patents in this class: 96
10-year publication summary
|
10
|
8
|
1
|
7
|
6
|
6
|
18
|
11
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu University | 1152 |
12 |
| Leo Group Pump (Zhejiang) Co., Ltd. | 17 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 33507 |
5 |
| Grundfos Holding A/S | 595 |
4 |
| Honda Motor Co., Ltd. | 25871 |
3 |
| Alfa Laval Corporate AB | 1329 |
3 |
| Gorman-Rupp Company, The | 166 |
3 |
| Ilsung Co Ltd. | 11 |
3 |
| PENTAIR Flow Technologies, LLC | 173 |
3 |
| AquaStar Pool Products, Inc. | 85 |
2 |
| DAB Pumps S.p.A. | 59 |
2 |
| Fluid Handling LLC | 256 |
2 |
| GEA Tuchenhagen GmbH | 148 |
2 |
| Kabushiki Kaisha Yokota Seisakusho | 10 |
2 |
| Woodward, Inc. | 670 |
2 |
| Wuhan China Star Optoelectronics Technology Co., Ltd. | 4271 |
2 |
| Baker Hughes Holdings LLC | 2985 |
2 |
| Ningbo Junhe Intelligent Technology Co., Ltd | 6 |
2 |
| Flowserve US Company | 14 |
2 |
| Halliburton Energy Services, Inc. | 21194 |
1 |
| Other owners | 32 |