Litcho Datzov

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Bellingham, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ferroresonant transformer systems and methods
- Patent number 11,322,974
- Issue date May 3, 2022
- ALPHA TECHNOLOGIES SERVICES, INC.
- Thanh Le
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ferroresonant transformer for use in uninterruptible power supplies
- Patent number 10,819,144
- Issue date Oct 27, 2020
- ALPHA TECHNOLOGIES SERVICES, INC.
- Thanh Le
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ferroresonant transformer for use in uninterruptible power supplies
- Patent number 9,633,781
- Issue date Apr 25, 2017
- Alpha Technologies Inc.
- Thanh Le
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ferroresonant transformer for use in uninterruptible power supplies
- Patent number 8,575,779
- Issue date Nov 5, 2013
- Alpha Technologies Inc.
- Thanh Le
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Ferroresonant Transformer Systems and Methods
- Publication number 20210036546
- Publication date Feb 4, 2021
- ALPHA TECHNOLOGIES SERVICES, INC.
- Thanh Le
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Ferroresonant Transformer for Use in Uninterruptible Power Supplies
- Publication number 20170229906
- Publication date Aug 10, 2017
- Alpha Technologies Inc.
- Thanh Le
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Ferroresonant Transformer for Use in Uninterruptible Power Supplies
- Publication number 20140062189
- Publication date Mar 6, 2014
- Alpha Technologies Inc.
- Thanh Le
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Ferroresonant transformer for use in uninterruptible power supplies
- Publication number 20110198932
- Publication date Aug 18, 2011
- Alpha Technologies Inc.
- Thanh Le
- H01 - BASIC ELECTRIC ELEMENTS