The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 15, 2004
Filed:
Apr. 15, 1999
Applicant:
Inventors:
Dennis W. Crabtree, Beaumont, TX (US);
Dwight P. Williams, Vidor, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C 2/00 ;
U.S. Cl.
CPC ...
A62C 2/00 ;
Abstract
A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features having central ( ) and peripheral channeling ( ) for foam concentrate, combined with a capacity to throw dry chemicals. The improved pressure regulating features include a spring ( ) loaded double acting baffle ( ), that is positioned by fire fighting fluid in communication with a hydraulic chamber, the hydraulic chamber is preferably controlled by a relief valve ( ).