Inventor
JENSEN NIELS D
DK39 patents
⚠️ This page may combine multiple inventors who share the name “JENSEN NIELS D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GRUNDFOS INT
20 patentsUS5158436AOct 27, 1992
Pump with speed controller responsive to temperature
GRUNDFOS INT160 citations95
US4963778AOct 16, 1990
Frequency converter for controlling a motor
GRUNDFOS INT191 citations93
US4834624AMay 30, 1989
Pump assembly for delivering liquids and gases
GRUNDFOS INT140 citations93
US4930996AJun 5, 1990
Immersion pump assembly
GRUNDFOS INT26 citations92
US4908757AMar 13, 1990
Static frequency converter, especially a frequency converter controlling and/or adjusting the performance data of an electromotor
GRUNDFOS INT33 citations92
US5028218AJul 2, 1991
Immersion pump assembly
GRUNDFOS INT24 citations89
US4981420AJan 1, 1991
Immersion pump
GRUNDFOS INT23 citations89
US5224389AJul 6, 1993
Method and apparatus for taking samples from a groundwater monitoring site
GRUNDFOS INT25 citations87
US4842725AJun 27, 1989
Assembly for making up untreated water according to the principle of reverse osmosis
GRUNDFOS INT20 citations80
US4842480AJun 27, 1989
Multi-stage inline rotary pump
GRUNDFOS INT19 citations78
US5022139AJun 11, 1991
Method of inserting a stator winding into a stator
GRUNDFOS INT10 citations74
US5202596AApr 13, 1993
Electric motor
GRUNDFOS INT16 citations71
US5176021AJan 5, 1993
Method and apparatus for making shaped metal parts by forming sheet metal
GRUNDFOS INT11 citations70
US4787816ANov 29, 1988
Rotary pump
GRUNDFOS INT7 citations69
US4773822ASep 27, 1988
Pump comprising a canned motor
GRUNDFOS INT12 citations69
US4761592AAug 2, 1988
Electric motor with overload protection circuit
GRUNDFOS INT7 citations69
US4877372AOct 31, 1989
Multi-stage rotary pump
GRUNDFOS INT17 citations67
US4775292AOct 4, 1988
Pump comprising a gas separator
GRUNDFOS INT7 citations66
US4729491AMar 8, 1988
Vent plug
GRUNDFOS INT7 citations66
US4827777AMay 9, 1989
Oscillating jet meter
GRUNDFOS INT4 citations61
GRUNDFOS AS
19 patentsUSD372719SAug 13, 1996
Water pump
GRUNDFOS AS122 citations98
US5332369AJul 26, 1994
Pump unit with cooling jacket for electric motor
GRUNDFOS AS59 citations96
US5598080AJan 28, 1997
Starting device for a single-phase induction motor
GRUNDFOS AS111 citations93
US4475873AOct 9, 1984
Wet-motor pump
GRUNDFOS AS41 citations92
US4465437AAug 14, 1984
Pump comprising a canned motor
GRUNDFOS AS35 citations92
US4447189AMay 8, 1984
Centrifugal pump for moving gaseous liquids
GRUNDFOS AS28 citations92
US4518318AMay 21, 1985
Pumping sets
GRUNDFOS AS32 citations88
US4427421AJan 24, 1984
Device for separating gas out of liquids
GRUNDFOS AS20 citations80
USD357687SApr 25, 1995
Pump housing
GRUNDFOS AS14 citations74
USD364172SNov 14, 1995
Pump
GRUNDFOS AS11 citations73
US4647228AMar 3, 1987
Height adjusting device for machines or machine elements
GRUNDFOS AS9 citations73
US4549849AOct 29, 1985
Pumping assemblies
GRUNDFOS AS14 citations73
US4358299ANov 9, 1982
Gas separator for liquid-conducting systems
GRUNDFOS AS12 citations73
US5248085ASep 28, 1993
Gas boiler
GRUNDFOS AS8 citations71
US4436486AMar 13, 1984
Circulating pump unit
GRUNDFOS AS16 citations71
US4507583AMar 26, 1985
Piezo-electric level detector
GRUNDFOS AS16 citations67
US4627792ADec 9, 1986
Rotating flow pump with a feed pump unit formed as an ejector
GRUNDFOS AS7 citations66
US4404729ASep 20, 1983
Multi-spindle machine tools
GRUNDFOS AS4 citations59
US5356266AOct 18, 1994
Centrifugal pump unit
GRUNDFOS AS5 citations54