- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 17/08 - Centrifugal pumps
Patent holdings for IPC class F04D 17/08
Total number of patents in this class: 331
10-year publication summary
|
68
|
30
|
21
|
26
|
32
|
26
|
25
|
31
|
26
|
23
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Delta Electronics, Inc. | 2648 |
13 |
| Dresser-Rand Company | 211 |
12 |
| Mitsubishi Electric Corporation | 46449 |
11 |
| Regal Beloit America, Inc. | 869 |
9 |
| Sulzer Management AG | 677 |
8 |
| Weir Minerals Australia, Ltd. | 307 |
7 |
| LG Electronics Inc. | 73578 |
6 |
| Denso Corporation | 24480 |
6 |
| Nidec Corporation | 2672 |
6 |
| Grundfos Holding A/S | 563 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
5 |
| Hamilton Sundstrand Corporation | 4916 |
4 |
| GENTHERM Incorporated | 304 |
4 |
| Soken Inc. | 218 |
4 |
| SZ DJI Technology Co., Ltd | 6857 |
4 |
| Trane International Inc. | 1192 |
4 |
| Swegon Operations AB | 27 |
4 |
| KSB SE & Co. KGaA | 699 |
4 |
| Haier Smart Home Co., Ltd. | 5488 |
4 |
| Sharp Corporation | 10274 |
3 |
| Other owners | 207 |