David James Howell

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Newton, NZ

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Patents Grantslast 30 patents

Information Patent Grant
Refrigeration controller that reduces operational noise
- Patent number 9,752,811
- Issue date Sep 5, 2017
- Wellington Drive Technologies Limited
- David James Howell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Electrodynamic machine
- Patent number 7,391,294
- Issue date Jun 24, 2008
- Wellington Drive Technologies Limited
- David James Howell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Stator for a dynamoelectric machine having a split ferromagnetic core
- Patent number 7,145,280
- Issue date Dec 5, 2006
- Wellington Drive Technologies Limited
- Ernest John Noble
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor
- Patent number 6,765,358
- Issue date Jul 20, 2004
- Wellington Drive Technologies Limited
- Ernest John Noble
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Disk motor
- Patent number 6,580,195
- Issue date Jun 17, 2003
- Wellington Drive Technologies Limited
- Ernest John Noble
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
REFRIGERATION CONTROLLER
- Publication number 20130312439
- Publication date Nov 28, 2013
- WELLINGTON DRIVE TECHNOLOGIES LIMITED
- David James Howell
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MOTOR AND SYSTEM CONTROLLER
- Publication number 20130205807
- Publication date Aug 15, 2013
- WELLINGTON DRIVE TECHNOLOGIES LIMITED
- David James Mcshane
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
ROTOR OR STATOR EMBEDMENT
- Publication number 20120313463
- Publication date Dec 13, 2012
- WELLINGTON DRIVE TECHNOLOGIES LIMITED
- David James Howell
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Electrodynamic machine
- Publication number 20060232371
- Publication date Oct 19, 2006
- David James Howell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method of producing stator windings
- Publication number 20040036374
- Publication date Feb 26, 2004
- Ernest John Noble
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC