William B. Duff JR.

Person

Odessa, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and circuit for using polarized device in AC applications
- Patent number 6,633,154
- Issue date Oct 14, 2003
- William B. Duff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and circuit for using polarized device in AC applications
- Patent number 6,548,989
- Issue date Apr 15, 2003
- William B. Duff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and circuit for using polarized device in AC applications
- Patent number 6,548,988
- Issue date Apr 15, 2003
- William B. Duff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Electrical Charge Storage Device Having Enhanced Power Characteristics
- Publication number 20070285875
- Publication date Dec 13, 2007
- William B. Duff
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method and Circuit for Using Polarized Device in AC Applications
- Publication number 20070273335
- Publication date Nov 29, 2007
- William B. Duff
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Induction machine rotors with improved frequency response
- Publication number 20050269892
- Publication date Dec 8, 2005
- William B. Duff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Method and circuit for using polarized device in AC applications
- Publication number 20050194939
- Publication date Sep 8, 2005
- William B. Duff
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method and circuit for using polarized device in AC applications
- Publication number 20040183503
- Publication date Sep 23, 2004
- William B. Duff
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Electrical charges storage device having enhanced power characteris...
- Publication number 20040175561
- Publication date Sep 9, 2004
- William B. Duff
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD AND CIRCUIT FOR USING POLARIZED DEVICE IN AC APPLICATIONS
- Publication number 20030006738
- Publication date Jan 9, 2003
- William B. Duff
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and circuit for using polarized device in AC applications
- Publication number 20020017893
- Publication date Feb 14, 2002
- William B. Duff
- H01 - BASIC ELECTRIC ELEMENTS

William B. Duff JR.

Person

Patents Grantslast 30 patents

Method and circuit for using polarized device in AC applications

Method and circuit for using polarized device in AC applications

Method and circuit for using polarized device in AC applications

Patents Applicationslast 30 patents

Electrical Charge Storage Device Having Enhanced Power Characteristics

Method and Circuit for Using Polarized Device in AC Applications

Induction machine rotors with improved frequency response

Method and circuit for using polarized device in AC applications

Method and circuit for using polarized device in AC applications

Electrical charges storage device having enhanced power characteris...

METHOD AND CIRCUIT FOR USING POLARIZED DEVICE IN AC APPLICATIONS

Method and circuit for using polarized device in AC applications