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:
Aug. 14, 1990
Filed:
Dec. 22, 1988
Applicant:
Inventors:
Murray W Woolford, Hamilton, NZ;
Robert A Sherlock, Hamilton, NZ;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
A01J / ;
U.S. Cl.
CPC ...
119 1417 ; 119 1414 ;
Abstract
A method and apparatus is disclosed for measuring milk yield from an animal which has been machine milked using milking machinery in which a valve is operative to extract milk, with minimal entrained air from the milking claw at a substantially constant pressure differential across the seat of the valve. The apparatus includes a detection and timing mechanism in which in use of the apparatus deects the periods during which the valve is open and records the total time during milking of the animal. The apparatus further includes a mechanism which translate the total time the valve is open into a measurement which indicates the yield of milk from the animal.