Spa or pool water filtering apparatus

Details Spa or pool water filtering apparatus Spa or pool water filtering apparatus

1998-05-26

2000-05-23

Upton, Christopher

Liquid purification or separation

Structural installation

Closed circulating system

210232, 210460, 4507, 4292, B01D 3502

Patent

active

060662530

ABSTRACT:
A pool or spa filter comprising a filter unit having porous filter wall structure to pass pool or spa water into the filter unit interior, the unit having a suction outlet; a perforated cover plate in water-passing registration with the outlet; the filter unit and cover plate being endwise interconnected and blocked against endwise inadvertent disconnection.

REFERENCES:
patent: 3263811 (1966-08-01), Baker et al.
patent: 3348686 (1967-10-01), Spitzer
patent: 3722686 (1973-03-01), Arnett et al.
patent: 3940807 (1976-03-01), Baker et al.
patent: 4359790 (1982-11-01), Chalberg
patent: 4596656 (1986-06-01), Higginbotham et al.
patent: 4676894 (1987-06-01), Diamond et al.
patent: 4921600 (1990-05-01), Meissner
patent: 5006238 (1991-04-01), Tominaga
patent: 5347664 (1994-09-01), Hamza et al.

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