ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,911, issued on Nov. 4, was assigned to ZODIAC POOL SYSTEMS LLC (Carlsbad, Calif.).

"Filters principally for use in connection with swimming pools and spas" was invented by Abian van der Meijden (Midrand, Canada) and Hendrikus Johannes van der Meijden (Midrand, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Filter assemblies are described which may be rolled for use and unrolled for cleaning. Rolling an assembly may form a spiral path for fluid to flow. Fluid also may flow through mesh panels of the assembly unless such panels are obstructed, as by debris."

The patent was filed on June 5, 2019, under Application No. 16/431,965.

*For further i...