David J. Wehrlen

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical control system
- Patent number 9,231,504
- Issue date Jan 5, 2016
- Robert Lyle Fuller
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Integrated flywheel uninterruptible power supply system
- Patent number 6,657,320
- Issue date Dec 2, 2003
- Active Power, Inc.
- James A. Andrews
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Methods and apparatus for providing protection to batteries in an u...
- Patent number 5,994,794
- Issue date Nov 30, 1999
- Active Power, Inc.
- David J. Wehrlen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electrical Control System
- Publication number 20130307450
- Publication date Nov 21, 2013
- Robert Lyle Fuller
- B60 - VEHICLES IN GENERAL