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:
Nov. 10, 1987
Filed:
May. 02, 1986
Applicant:
Inventors:
Wilfried Baatz, Bellevue, WA (US);
Norman C Ahlquist, Seattle, WA (US);
Assignee:
FloScan Instrument Company, Inc., Seattle, WA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04Q / ;
U.S. Cl.
CPC ...
34082506 ; 73113 ; 73114 ; 364442 ;
Abstract
A fuel economy indicator for vehicles having liquid fuel engines. The indicator comprises fuel flow and vehicle speed sensors, and means for using the information provided by such sensors to determine and display a performance ratio, consisting of the ratio of the instantaneous rate of fuel usage to the average rate of fuel usage.