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. 15, 2022
Filed:
Nov. 21, 2017
Hunter Industries, Inc., San Marcos, CA (US);
Ronald H. Anuskiewicz, San Diego, CA (US);
David W. Davidson, Del Mar, CA (US);
Michael A. Huelsman, Carlsbad, CA (US);
Hunter Industries, Inc., San Marcos, CA (US);
Abstract
A flow control system for an irrigation sprinkler can include a service valve having an inlet, a first fluid port, a second fluid port, a third fluid port, and/or a valve piston having a valve piston inlet and a valve piston outlet. The system can include a pilot valve and a vent line. The system can include a filter in fluid communication with the inlet of the service valve. The valve piston can be configured to move vertically with respect to the first, second, and third fluid ports between first, second, and third valve positions.