Elwyn D Robinson

US Patent:

20130228499, Sep 5, 2013

Filed:

Jan 24, 2013

Appl. No.:

13/749112

Inventors:

Elwyn Robinson - Victorville CA, US

Assignee:

SUNDANCE SPAS, INC. - Chino CA

International Classification:

C02F 1/00
E04H 4/12

US Classification:

2101671, 210252, 210483, 210232

Abstract:

A vertical filter assembly includes a top filter assembly, the top filter assembly including a primary filter; a canister in fluid communication with the top filter assembly, the canister including a canister body having a sidewall and a bottom wall that define a hollow interior of the canister; and a secondary filter positioned within the hollow interior of the canister and supported above the bottom wall of the canister.

US Patent:

8419934, Apr 16, 2013

Filed:

Oct 30, 2009

Appl. No.:

12/609482

Inventors:

Elwyn Robinson - Victorville CA, US

Assignee:

Sundance Spas, Inc. - Chino CA

International Classification:

E04H 4/12

US Classification:

21016712, 210315, 210489, 2104931, 2105001

Abstract:

A filter assembly includes an outer filter assembly, the outer filter assembly including an outer filter layer of pleated polyester fabric arranged in a hollow cylindrical shape and first and second end caps for retaining the ends of the outer filter layer, and an inner filter assembly including a hollow cylindrical core having a side wall with a plurality of perforations defined therein, an inner filter layer of meltblown polypropylene disposed around an outer surface of the side wall of the hollow cylindrical core, and first and second end caps. The inner filter assembly is removably received within the outer filter assembly such that the hollow cylindrical core and inner filter layer extend within the hollow cylindrical shape defined by the outer filter layer. The filter assembly is adapted to be mounted in a horizontal orientation within a filtering chamber of a spa device.