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:
Mar. 06, 1990
Filed:
Nov. 24, 1987
Applicant:
Inventors:
Ellen Y Lin, St. Louis, MO (US);
James Teng, St. Louis, MO (US);
Assignee:
Anheuser-Busch Companies, Inc., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356442 ; 356 36 ; 435291 ;
Abstract
This disclosure relates to a device for measuring turbidity in static or dynamic streams wherein the fluid has up to 8500 ppm solids and at depth of up to 8'. The device contains a high intensity light source, means for controlling the wavelength of the transmitted light to between 550-900 nm to filter out color variables in the streams, and a very sensitive photosensor aligned with the viewing means for picking up the light transmitted through the streams.