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.

Date of Patent:
Jan. 07, 1997

Filed:

May. 02, 1995
Applicant:
Inventor:

Frank T Prendergast, Woodridge, IL (US);

Assignee:

Dober Chemical Corp., Midlothian, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
137597 ; 137607 ;
Abstract

Liquid delivery systems, for example, for use in providing liquid chemicals to a plurality of individual laundry wash machines, are disclosed. The present systems employ a single flow meter to effectively measure the amount of liquid chemical to be delivered. The present systems, in addition, provide for effective liquid chemical leak detection, and positive proof that the liquid chemical has been delivered to the individual wash machine. A control assembly is preferably included which automatically controls the operation of the system.


Find Patent Forward Citations

Prendergast, Frank. (1997). Liquid delivery systems (U.S. Patent No. 5590686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5590686

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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