Dennis W. Crabtree

Person

Beaumont, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Additive proportioning system
- Patent number 8,794,255
- Issue date Aug 5, 2014
- Dennis Wayne Crabtree
- G05 - CONTROLLING REGULATING
Information Patent Grant
Fire fighting nozzle and method including pressure regulation, chem...
- Patent number 8,002,203
- Issue date Aug 23, 2011
- Williams Fire & Hazard Control, Inc.
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Fire fighting nozzle and method including pressure regulation, chem...
- Patent number 7,784,709
- Issue date Aug 31, 2010
- Williams Fire And Hazard Control, Inc.
- Dwight P. Williams
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Ranger/hybrid automatic self-metering nozzle, with ratio-selectable...
- Patent number 7,464,766
- Issue date Dec 16, 2008
- Williams Fire And Hazard Control, Inc.
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Selectable fixed flow large scale fire fighting nozzle with selecta...
- Patent number 7,207,391
- Issue date Apr 24, 2007
- Williams Fire & Hazard Control, Inc.
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
System for automatic self-proportioning of foam concentrate into fi...
- Patent number 7,140,552
- Issue date Nov 28, 2006
- Williams Fire And Hazard Control, Inc.
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Fire fighting nozzle and method including pressure regulation, chem...
- Patent number 7,048,207
- Issue date May 23, 2006
- Williams Fire And Hazard Control, Inc.
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Fire fighting nozzle and method including pressure regulation, chem...
- Patent number 6,749,027
- Issue date Jun 15, 2004
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Self metering foam proportioning system
- Patent number 6,659,187
- Issue date Dec 9, 2003
- Williams Fire & Hazard Control, Inc.
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Fluid additive supply system for fire fighting mechanisms
- Patent number 5,979,564
- Issue date Nov 9, 1999
- Willaims Fire & Hazard Control, Inc.
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
By-pass eductor
- Patent number 5,960,887
- Issue date Oct 5, 1999
- Williams Fire & Hazard Control, Inc.
- Dennis Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Fluid additive supply system for fire fighting mechanisms
- Patent number 5,816,328
- Issue date Oct 6, 1998
- Williams Fire And Hazard Control, Inc.
- Thomas E. Mason
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Additive Proportioning System
- Publication number 20130048099
- Publication date Feb 28, 2013
- Dennis W. Crabtree
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Fire fighting nozzle and method including pressure regulation, chem...
- Publication number 20060102749
- Publication date May 18, 2006
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Selectable fixed flow large scale fire fighting nozzle with selecta...
- Publication number 20060090907
- Publication date May 4, 2006
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Ranger/hybrid automatic self-metering nozzle, with ratio-selectable...
- Publication number 20040084192
- Publication date May 6, 2004
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Fire fighting nozzle and method including pressure regulation, chem...
- Publication number 20020125015
- Publication date Sep 12, 2002
- Dennis W. Crabtree
- A62 - LIFE-SAVING FIRE-FIGHTING

Dennis W. Crabtree

Person

Patents Grantslast 30 patents

Additive proportioning system

Fire fighting nozzle and method including pressure regulation, chem...

Fire fighting nozzle and method including pressure regulation, chem...

Ranger/hybrid automatic self-metering nozzle, with ratio-selectable...

Selectable fixed flow large scale fire fighting nozzle with selecta...

System for automatic self-proportioning of foam concentrate into fi...

Fire fighting nozzle and method including pressure regulation, chem...

Fire fighting nozzle and method including pressure regulation, chem...

Self metering foam proportioning system

Fluid additive supply system for fire fighting mechanisms

By-pass eductor

Fluid additive supply system for fire fighting mechanisms

Patents Applicationslast 30 patents

Additive Proportioning System

Fire fighting nozzle and method including pressure regulation, chem...

Selectable fixed flow large scale fire fighting nozzle with selecta...

Ranger/hybrid automatic self-metering nozzle, with ratio-selectable...

Fire fighting nozzle and method including pressure regulation, chem...