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Nordborg, DK
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Patents Grants
last 30 patents
Information
Patent Grant
Control algorithm of variable speed pumping system
Patent number
9,605,680
Issue date
Mar 28, 2017
Pentair Water Pool and Spa, Inc.
Robert W. Stiles
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Earthed connection detection
Patent number
9,448,272
Issue date
Sep 20, 2016
Danfoss A/S
Nils-Ole Harvest
G01 - MEASURING TESTING
Information
Patent Grant
Control algorithm of variable speed pumping system
Patent number
9,404,500
Issue date
Aug 2, 2016
Pentair Water Pool and Spa, Inc.
Robert W. Stiles
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Control algorithm of variable speed pumping system
Patent number
8,019,479
Issue date
Sep 13, 2011
Pentair Water Pool and Spa, Inc.
Robert W. Stiles
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Power converter
Patent number
7,339,287
Issue date
Mar 4, 2008
PowerLynx A/S
Aksel Baagoe Jepsen
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Frequency converter for different mains voltages
Patent number
7,221,121
Issue date
May 22, 2007
Danfoss Drives A/S
Kenneth Skaug
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method and power supply device for generating regulated D.C. voltag...
Patent number
6,483,278
Issue date
Nov 19, 2002
Danfoss Compressors GmbH
Nils-Ole Harvest
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method of speed control of compressor and control arrangement using...
Patent number
6,134,901
Issue date
Oct 24, 2000
Danfoss Compressors GmbH
Nils-Ole Harvest
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Inverter circuit and a method for controlling same
Patent number
5,093,771
Issue date
Mar 3, 1992
Danfoss A/S
Nils-Ole Harvest
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
AC rectifier circuit with means for limiting the rectified voltage
Patent number
4,811,189
Issue date
Mar 7, 1989
Danfoss A/S
Nils-Ole Harvest
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Stabilizing circuit for an inverse rectifier motor control
Patent number
4,535,280
Issue date
Aug 13, 1985
Danfoss A/S
Nils-Ole Harvest
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Information
Patent Application
CONTROL ALGORITHM OF VARIABLE SPEED PUMPING SYSTEM
Publication number
20210054846
Publication date
Feb 25, 2021
Pentair Water Pool and Spa, Inc.
Robert W. Stiles
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Control Algorithm of Variable Speed Pumping System
Publication number
20170198697
Publication date
Jul 13, 2017
Pentair Water Pool and Spa, Inc.
Robert W. Stiles
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Control Algorithm of Variable Speed Pumping System
Publication number
20140322030
Publication date
Oct 30, 2014
Robert W. Stiles
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
EARTHED CONNECTION DETECTION
Publication number
20140266236
Publication date
Sep 18, 2014
Nils-Ole Harvest
G01 - MEASURING TESTING
Information
Patent Application
Control Algorithm of Variable Speed Pumping System
Publication number
20120063921
Publication date
Mar 15, 2012
Robert W. Stiles, JR.
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Control algorithm of variable speed pumping system
Publication number
20070114162
Publication date
May 24, 2007
Pentair Water Pool and Spa, Inc.
Robert W. Stiles
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Power converter
Publication number
20050275386
Publication date
Dec 15, 2005
PowerLynx A/S
Aksel Baagoe Jepsen
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Frequency converter for different mains voltages
Publication number
20050068001
Publication date
Mar 31, 2005
Danfoss Drives A/S
Kenneth Skaug
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Method for generating a regulated D.C. voltage from an A.C. voltage...
Publication number
20020031001
Publication date
Mar 14, 2002
DanfossCompressors GmbH
Nils-Ole Harvest
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER