Crabtree; Dennis W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Crabtree; Dennis W..The latest application filed is for "additive proportioning system".

Company Profile

0.8.6

Crabtree; Dennis W. - Beaumont TX
Crabtree, Dennis W. - US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Additive Proportioning System App 20130048099 - Crabtree; Dennis W.	2013-02-28
Fire fighting nozzle and method including pressure regulation, chemical and eduction features Grant 8,002,203 - Crabtree , et al. August 23, 2	2011-08-23
Fire fighting nozzle and method including pressure regulation, chemical and eduction features Grant 7,784,709 - Williams , et al. August 31, 2	2010-08-31
Ranger/hybrid automatic self-metering nozzle, with ratio-selectable and flow meter features Grant 7,464,766 - Crabtree , et al. December 16, 2	2008-12-16
Selectable fixed flow large scale fire fighting nozzle with selectable additive proportioning and light weight cost effective construction Grant 7,207,391 - Crabtree , et al. April 24, 2	2007-04-24
System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit Grant 7,140,552 - Crabtree , et al. November 28, 2	2006-11-28
Fire fighting nozzle and method including pressure regulation, chemical and eduction features Grant 7,048,207 - Crabtree , et al. May 23, 2	2006-05-23
Fire fighting nozzle and method including pressure regulation, chemical and eduction features App 20060102749 - Crabtree; Dennis W. ; et al.	2006-05-18
Selectable fixed flow large scale fire fighting nozzle with selectable additive proportioning and light weight cost effective construction App 20060090907 - Crabtree; Dennis W. ; et al.	2006-05-04
Fire fighting nozzle and method including pressure regulation, chemical and education features Grant 6,749,027 - Crabtree , et al. June 15, 2	2004-06-15
Ranger/hybrid automatic self-metering nozzle, with ratio-selectable & flow meter features App 20040084192 - Crabtree, Dennis W. ; et al.	2004-05-06
Self metering foam proportioning system Grant 6,659,187 - Crabtree , et al. December 9, 2	2003-12-09
Fire fighting nozzle and method including pressure regulation, chemical and eduction features App 20020125015 - Crabtree, Dennis W. ; et al.	2002-09-12

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