F. Douglas Witherspoon

Person

Fairfax Station, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dynamic consolidation of powders using a pulsed energy source
- Patent number 7,744,812
- Issue date Jun 29, 2010
- Utron Inc.
- F. Douglas Witherspoon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Switch contact device for interrupting high current, high voltage,...
- Patent number 6,838,632
- Issue date Jan 4, 2005
- Utron Inc.
- Lester C. Via
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dynamic consolidation of powders using a pulsed energy source
- Patent number 6,767,505
- Issue date Jul 27, 2004
- Utron Inc.
- F. Douglas Witherspoon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pulsed electrothermal powder spray
- Patent number 6,124,563
- Issue date Sep 26, 2000
- Utron Inc.
- F. Douglas Witherspoon
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High velocity pulsed wire-arc spray
- Patent number 6,001,426
- Issue date Dec 14, 1999
- Utron Inc.
- F. Douglas Witherspoon
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Pulsed plasma jet paint removal
- Patent number 5,970,993
- Issue date Oct 26, 1999
- Utron Inc.
- F. Douglas Witherspoon
- B44 - DECORATIVE ARTS
Information Patent Grant
Pulsed high energy synthesis of fine metal powders
- Patent number 5,935,461
- Issue date Aug 10, 1999
- Utron Inc.
- F. Douglas Witherspoon
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Dynamic consolidation of powders using a pulsed energy source
- Publication number 20040265161
- Publication date Dec 30, 2004
- F. Douglas Witherspoon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Dynamic consolidation of powders using a pulsed energy source
- Publication number 20020025272
- Publication date Feb 28, 2002
- F. Douglas Witherspoon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

F. Douglas Witherspoon

Person

Patents Grantslast 30 patents

Dynamic consolidation of powders using a pulsed energy source

Switch contact device for interrupting high current, high voltage,...

Dynamic consolidation of powders using a pulsed energy source

Pulsed electrothermal powder spray

High velocity pulsed wire-arc spray

Pulsed plasma jet paint removal

Pulsed high energy synthesis of fine metal powders

Patents Applicationslast 30 patents

Dynamic consolidation of powders using a pulsed energy source

Dynamic consolidation of powders using a pulsed energy source