- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 17/16 - Centrifugal pumps for displacing without appreciable compression
Patent holdings for IPC class F04D 17/16
Total number of patents in this class: 794
10-year publication summary
70
|
93
|
109
|
98
|
132
|
73
|
70
|
77
|
59
|
21
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Delta Electronics, Inc. | 2401 |
29 |
Edwards Limited | 764 |
29 |
LG Electronics Inc. | 69257 |
25 |
Nidec Corporation | 2579 |
22 |
ResMed Motor Technologies Inc | 72 |
20 |
ebm-papst Mulfingen GmbH & Co. KG | 608 |
19 |
Regal Beloit America, Inc. | 939 |
19 |
Denso Corporation | 23338 |
18 |
Edwards Japan Limited | 376 |
16 |
Mitsubishi Electric Corporation | 43934 |
15 |
Fisher & Paykel Healthcare Limited | 2218 |
10 |
Samsung Electronics Co., Ltd. | 131630 |
9 |
Asustek Computer Inc. | 1792 |
9 |
Dyson Technology Limited | 3124 |
9 |
Valeo Systemes Thermiques | 2471 |
9 |
Watt Fuel Cell Corp. | 122 |
9 |
ResMed Pty Ltd | 1995 |
9 |
Oerlikon Leybold Vacuum GmbH | 117 |
8 |
Minebea Mitsumi Inc. | 1461 |
8 |
Apple Inc. | 50209 |
7 |
Other owners | 495 |