David Michael Walden

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Sharpsburg, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Retrofitting a fire hydrant with a replacement hydrant body contain...
- Patent number 7,775,231
- Issue date Aug 17, 2010
- Davidson Hydrant Technologies, Inc.
- Tom R. Davidson, Sr.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wet barrel fire hydrant system with second valve
- Patent number 7,575,017
- Issue date Aug 18, 2009
- Davidson Hydrant Technologies, Inc.
- Thomas Dewey Davidson, Sr.
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Breathable fire hydrant rod
- Patent number 7,428,910
- Issue date Sep 30, 2008
- Davidson Hydrant Technologies, Inc.
- Tom R. Davidson, Sr.
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Retrofitting a fire hydrant with secondary valve
- Patent number 7,240,688
- Issue date Jul 10, 2007
- Davidson Hydrant Technologies, Inc.
- Thomas Dewey Davidson, Sr.
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Nozzle Attachment for Fire Hydrant
- Publication number 20080245420
- Publication date Oct 9, 2008
- Tom Randy Davidson
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
RETROFITTING A FIRE HYDRANT WITH A REPLACEMENT HYDRANT BODY CONTAIN...
- Publication number 20080135100
- Publication date Jun 12, 2008
- Thomas Dewey Davidson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Wet barrel fire hydrant system with second valve
- Publication number 20080083458
- Publication date Apr 10, 2008
- Thomas Dewey Davidson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Retrofitting a fire hydrant with secondary valve
- Publication number 20060207657
- Publication date Sep 21, 2006
- Davidson Hydrant Technologies, Inc.
- Thomas Dewey Davidson
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Breathable fire hydrant rod
- Publication number 20060201551
- Publication date Sep 14, 2006
- Davidson Hydrant Technologies, Inc.
- Thomas Dewey Davidson
- A62 - LIFE-SAVING FIRE-FIGHTING