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:
Sep. 13, 1977
Filed:
Feb. 06, 1976
Applicant:
Inventors:
Norman F Marsh, Auburn, IL (US);
William T Eng, Springfield, IL (US);
Assignee:
Dickey-john Corporation, Auburn, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
7330 / ;
Abstract
A device for monitoring the amount or depth of silage or similar material retained in a silo or like structure is disclosed. A number of sensors are vertically arrayed in and on a silo wall, and each sensor senses the presence or absence of silage in its immediate vicinity. An electrical circuit includes a visual display device such as a liquid crystal display for indicating the amount of material in the silo.