Patent · US Active

Filterwell cartridges

US11629080B2 · kind B2 · utility

1Cited by

6References

23Claims

0Family size

Assignee

King Technology, Inc. · US

Inventors

David Guy · Maple Grove, US
Jeffrey D. Johnson · Edina, US
Paul Freeberg · South St. Paul, US
Terry Goeman · Minnetonka, US
Lyle Enderson · Maple Grove, US
Darrin M. Swagel · Minnetonka, US
Eric Barton · Eden Prairie, US

Key dates

Filing date	Mar 11, 2020
Grant date	Apr 18, 2023
Priority date	—
Expiry date	May 9, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2201/006
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A filterwell cartridge having ports for dispensing a dispersant directly into a filterwell of a hot tub, spa or the like with the filterwell cartridge peripherally and postionally supportable in a quick release mode through facial engagement of compound surfaces located on opposite sides of the filterwell cartridge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.