- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04D - Non-positive-displacement pumps
- F04D 25/16 - Combinations of two or more pumps
Patent holdings for IPC class F04D 25/16
Total number of patents in this class: 762
10-year publication summary
|
84
|
79
|
88
|
78
|
81
|
62
|
91
|
59
|
59
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuovo Pignone Tecnologie S.r.l. | 948 |
32 |
| Mitsubishi Heavy Industries Compressor Corporation | 626 |
19 |
| LG Electronics Inc. | 72473 |
18 |
| Shenzhen Jisu Technology Co., Ltd. | 105 |
17 |
| Siemens AG | 24561 |
16 |
| Midea Group Co., Ltd. | 4484 |
15 |
| Praxair Technology, Inc. | 1311 |
11 |
| Shenzhen LANHE Technologies Co., Ltd. | 204 |
10 |
| Mitsubishi Electric Corporation | 45811 |
9 |
| Daikin Industries, Ltd. | 9957 |
9 |
| Edwards Limited | 788 |
9 |
| Kaeser KOMPRESSOREN SE | 176 |
9 |
| Watt Fuel Cell Corp. | 164 |
9 |
| Dell Products L.P. | 14085 |
8 |
| Nidec Corporation | 2644 |
8 |
| Denso Corporation | 24120 |
7 |
| ebm-papst Mulfingen GmbH & Co. KG | 610 |
7 |
| Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd. | 322 |
7 |
| Siemens Energy Global GmbH & Co. KG | 2916 |
7 |
| Rtx Corporation | 9297 |
7 |
| Other owners | 528 |