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:
Apr. 18, 1989
Filed:
May. 15, 1987
Applicant:
Inventors:
James D Aid, St. Petersburg, FL (US);
Shahid Q Din, Clearwater, FL (US);
Andrew D Hopping, Largo, FL (US);
Assignee:
Baxter Travenol Laboratories, Inc., Deerfield, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
13710121 ; 73239 ; 137 99 ; 417-6 ;
Abstract
A system for controlling the output flow rate of a second pump to proportionately track the output flow rate of a first pump in which the first pump produces an electrical signal at each successive stroke thereof. An electrical circuit produces an electrical control signal from the first pump stroke signal for controlling the flow rate of the second pump.