Fred O. Barthold

Person

Leucadia, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Harmonic displacement reduction
- Patent number 9,438,099
- Issue date Sep 6, 2016
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Planar core with high magnetic volume utilization
- Patent number 9,251,945
- Issue date Feb 2, 2016
- Fred O. Barthold
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Planar core-type uniform external field equalizer and fabrication
- Patent number 9,111,678
- Issue date Aug 18, 2015
- Fred O. Barthold
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Sepic fed buck converter
- Patent number 7,812,577
- Issue date Oct 12, 2010
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC-DC converter
- Patent number 7,777,458
- Issue date Aug 17, 2010
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Full wave buck-boost power converter with buck power converter prop...
- Patent number 5,436,818
- Issue date Jul 25, 1995
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Source volt-ampere/load volt-ampere differential converter
- Patent number 4,734,839
- Issue date Mar 29, 1988
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power transistor switch
- Patent number 4,042,844
- Issue date Aug 16, 1977
- Fred O. Barthold
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
PLANAR CORE WITH HIGH MAGNETIC VOLUME UTILIZATION
- Publication number 20160111209
- Publication date Apr 21, 2016
- Fred O. Barthold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HARMONIC DISPLACEMENT REDUCTION
- Publication number 20150194874
- Publication date Jul 9, 2015
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
PLANAR CORE WITH HIGH MAGNETIC VOLUME UTILIZATION
- Publication number 20140340188
- Publication date Nov 20, 2014
- Fred O. Barthold
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PLANAR CORE-TYPE UNIFORM EXTERNAL FIELD EQUALIZER AND FABRICATION
- Publication number 20140300442
- Publication date Oct 9, 2014
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC-DC converter
- Publication number 20090174376
- Publication date Jul 9, 2009
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Sepic fed buck converter
- Publication number 20090174375
- Publication date Jul 9, 2009
- Fred O. Barthold
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Fred O. Barthold

Person

Patents Grantslast 30 patents

Harmonic displacement reduction

Planar core with high magnetic volume utilization

Planar core-type uniform external field equalizer and fabrication

Sepic fed buck converter

DC-DC converter

Full wave buck-boost power converter with buck power converter prop...

Source volt-ampere/load volt-ampere differential converter

Power transistor switch

Patents Applicationslast 30 patents

PLANAR CORE WITH HIGH MAGNETIC VOLUME UTILIZATION

HARMONIC DISPLACEMENT REDUCTION

PLANAR CORE WITH HIGH MAGNETIC VOLUME UTILIZATION

PLANAR CORE-TYPE UNIFORM EXTERNAL FIELD EQUALIZER AND FABRICATION

DC-DC converter

Sepic fed buck converter