Niels D. Jensen
53Patents
17h-index
47Co-inventors
84Inventor score
Filing activity: Jun 11, 1981 → May 9, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4963778A | Frequency converter for controlling a motor | Electricity | 115 | Expired |
| USD372719S | Water pump | General | 114 | Expired |
| US5158436A | Pump with speed controller responsive to temperature | Electricity | 109 | Expired |
| US4834624A | Pump assembly for delivering liquids and gases | Electricity | 100 | Expired |
| US6326752A | Method for the commutation of a polyphase permanent magnet motor | Electricity | 80 | Expired |
| US5598080A | Starting device for a single-phase induction motor | Mechanical Engineering; Lighting; Heating | 80 | Expired |
| US6208112A | Method for controlling a voltage/frequency converter controlled single-phase or polyphase electric motor | Electricity | 77 | Expired |
| US6548976B2 | Method for the commutation of a polyphase permanent magnet motor | Electricity | 73 | Expired |
| US5714816A | Electric motor | Electricity | 50 | Expired |
| US5332369A | Pump unit with cooling jacket for electric motor | Electricity | 30 | Expired |
| US6085596A | Pressure sensor having an insulating layer and fluid tight amorphous metal layer | Electricity | 24 | Expired |
| US4475873A | Wet-motor pump | Electricity | 22 | Expired |
| US4908757A | Static frequency converter, especially a frequency converter controlling and/or adjusting the performance data of an electromotor | Electricity | 19 | Expired |
| US4930996A | Immersion pump assembly | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6030709A | Electronic component | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4465437A | Pump comprising a canned motor | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4518318A | Pumping sets | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4842725A | Assembly for making up untreated water according to the principle of reverse osmosis | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4981420A | Immersion pump | Electricity | 17 | Expired |
| US5028218A | Immersion pump assembly | Electricity | 15 | Expired |
| USD357687S | Pump housing | General | 13 | Expired |
| US5202596A | Electric motor | Electricity | 11 | Expired |
| US6140725A | Wet-running submersible motor for driving a centrifugal pump | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4447189A | Centrifugal pump for moving gaseous liquids | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD364172S | Pump | General | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.