- 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: 842
10-year publication summary
|
76
|
87
|
77
|
80
|
61
|
85
|
55
|
65
|
79
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nuovo Pignone Tecnologie S.r.l. | 1134 |
44 |
| Shenzhen Jisu Technology Co., Ltd. | 140 |
23 |
| LG Electronics Inc. | 74791 |
20 |
| Mitsubishi Heavy Industries Compressor Corporation | 634 |
19 |
| Siemens AG | 24250 |
16 |
| Midea Group Co., Ltd. | 4811 |
15 |
| Praxair Technology, Inc. | 1238 |
11 |
| Kaeser KOMPRESSOREN SE | 186 |
10 |
| Shenzhen LANHE Technologies Co., Ltd. | 239 |
10 |
| Mitsubishi Electric Corporation | 47511 |
9 |
| Dell Products L.P. | 16112 |
9 |
| Daikin Industries, Ltd. | 10380 |
9 |
| Edwards Limited | 784 |
9 |
| Nidec Corporation | 2751 |
9 |
| Watt Fuel Cell Corp. | 169 |
9 |
| Siemens Energy Global GmbH & Co. KG | 3232 |
9 |
| Rtx Corporation | 9825 |
8 |
| Denso Corporation | 25115 |
7 |
| ebm-papst Mulfingen GmbH & Co. KG | 513 |
7 |
| Guangdong Midea White Home Appliance Technology Innovation Center Co. Ltd. | 327 |
7 |
| Other owners | 582 |