Muskin Leisure Products, Inc.

Fountainhead Technologies, Inc.

Peter P Yurchision

Gerard Marbach

Alan W Brownlie

Raymond P Denkewicz, Jr

Fred A Marconi, Jr

Support systems for vessels such as above-ground swimming pools are disclosed. Each system may include one or more buttresses adapted to support substantially the entire vertical height of the side wall or each of a series of side walls of the pool. A strapless support system to provide a pool having a deep end is also disclosed. The buttresses, which flare along their lengths, closely match the support they provide each side wall to the outward water pressure present along its height for enhanced reliability. The diminished space required for installation of the disclosed buttresses reduces the surface area required for their associated pool.

Strapless support system for vessels such as swimming pools

Multi-port valve assemblies with, typically, two-piece housings are disclosed. Particularly useful in connection with swimming pools and associated water pumps, the assemblies avoid reliance on an elongated handle to effect rotation of the internal structure of the valve. Instead, the assemblies utilize a knob&mdash;which users need not lift&mdash;coupled to a post in which an elongated slot is formed. Doing so avoids breakage problems associated with use of elongated handles while reducing wear of internal seals. Each valve assembly additionally may include a cam having non-semicircular, asymmetrically-shaped recesses into which followers attached to a shaft passing through the elongated slot are received.

Valve assembly

Components of swimming pools, such as rims and base plates, are addressed herein. The rims and plates are adapted for positive interlock to prevent movement of one relative to the other, and the rims typically include dual flanges of differing heights. Among base plates contemplated hereby are ones containing a slot formed by their two vertical walls and which provide guidance at their edges for positioning their associated rims.

Structural components of swimming pools

Support systems for vessels such as above-ground swimming pools are disclosed. Each system may include one or more buttresses adapted to support substantially the entire vertical height of the side wall or each of a series of side walls of the pool. The buttresses, which flare along their lengths, closely match the support they provide each side wall to the outward water pressure present along its height for enhanced reliability. The diminished space required for installation of the disclosed buttresses reduces the surface area required for their associated pool.

Support system for vessels such as swimming pools

The invention features a water purifier for purifying water in a pool having a volume less than about 13,500 gallons. In general, the water purifier has a threaded fitting that allows it to be removably-attached to a water-exchange fitting, preferably on the side of the pool. The water purifier contains a purification material for purifying the water. The purification material preferably can be a silver-containing material.

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Shavertown, PA, United States of America

Peter P Yurchision