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:
Oct. 06, 1998
Filed:
Apr. 24, 1995
Applicant:
Inventors:
Thomas E Mason, Washington, IN (US);
Dennis Crabtree, Beaumont, TX (US);
Kenneth Baker, Port Neches, TX (US);
Assignee:
Williams Fire & Hazard Control, Inc., Mauriceville, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C / ;
U.S. Cl.
CPC ...
169 15 ;
Abstract
An additive supply system for fire fighting mechanisms such as a fire fighting truck including an additive supply line system having a pump and a recirculation line, a balanced pressure valve metering flow in the recirculation line and in communication with the measure of additive line pressure and fire fighting fluid line pressure, and additive pump control apparatus connected to the additive pump and in communication with the measure of the degree of openness of the balanced pressure valve.