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:
Oct. 01, 2019
Filed:
Mar. 05, 2015
Pentair Water Pool and Spa, Inc., Cary, NC (US);
Robert Frank Swindell, Sanford, NC (US);
Leonard Richiuso, Murphy, TX (US);
Brian Everett Cox, Sanford, NC (US);
Pentair Water Pool and Spa, Inc., Cary, NC (US);
Abstract
A method for removing diatomaceous earth and contaminants from a filter, and for filtering liquid using diatomaceous earth is provided. Embodiments of the method can include a washdown process, a backwash process, and a filtering process. Some embodiments can include one or more filter cartridges with cartridge tubes to increase flow during the backwash process. Some embodiments can also include a backwash sprayer to disturb contaminants during the backwash process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile