Cary M Austin, 67165 Indian Lake Blvd UNIT 112, Hendersonville, TN 37075

6557819, May 6, 2003

Jun 1, 2001

09/872391

Cary M. Austin - Lubbock TX, 79407

F16K 3112

251 28, 251 61, 251117, 13760113, 1376012

A water system uses a pressure reservoir of an extremely small size. A valve device is placed between a water pump and the pressure reservoir. The valve device has a constant outlet pressure to limit the flow from the pump at high pressures. The pump is turned on and off by a pressure on/off switch. The valve device maintains the pressure to the reservoir at or below the off switch pressure except for a trickle flow. The trickle flow fills the reservoir when there is little or no water usage from the reservoir. The trickle flow is achieved by preventing the surfaces to seal by a projection or notch the valve surfaces of the valve device. Each time the valve opens any debris is washed from the valve surfaces thereby keeping them free of debris.

6328071, Dec 11, 2001

Oct 6, 2000

9/680647

Cary Austin - Lubbock TX

F16L 5504

138 30

A water system uses a pressure tank of an extremely small size. Said pressure tank is of extremely small diameter and can be a variety of lengths. This pressure tank has an opening at one end for fluid inlet and an opening on the opposite end for fluid outlet. This pressure tank is placed inside the well casing or inside the fluid reservoir to protect it from freezing and vandals as well as hidden from landscaping efforts. The pressure tank utilizes a flexible diaphragm to separate the air chamber from the fluid chamber. Said diaphragm to be open at both ends and tube shaped to allow installation in a small diameter housing to be used inside small diameter well casing.

5988984, Nov 23, 1999

Jul 2, 1997

8/886905

Cary M. Austin - Lubbock TX

F04B 4908

417 442

A water system uses a pressure reservoir of extremely small size. A valve device is placed between a water pump and the pressure reservoir. The valve device has a constant outlet pressure to limit the flow from the pump at high pressures. The pump is turned on and off by a pressure on/off switch. The valve device maintains the pressure to the reservoir at or below the on switch pressure except for a dribble flow. The dribble flow fills the reservoir when there is little or no water usage from the reservoir. The dribble flow is achieved by a notch in the valve surfaces of the valve device. Each time the valve opens any debris in the notch is washed from the notch thereby keeping the notch free of debris.

6109296, Aug 29, 2000

Feb 1, 1999

9/243730

Cary M. Austin - Lubbock TX

F16K 31126

1375135

A water system uses a pressure reservoir of extremely small size. A valve device is placed between a water pump and the pressure reservoir. The valve device has a constant outlet pressure function to limit the flow from the pump at high pressures. The pump is turned on and off responsive to a pressure on/off switch located down stream of the valve device. The valve device maintains the pressure to the reservoir below the off switch pressure except for a dribble flow. The dribble flow fills the reservoir when there is little or no water usage from the reservoir. The dribble flow is achieved by a notch or groove in the valve surfaces of the valve device. Each time the valve opens any debris in the notch or groove is washed from the notch or groove thereby keeping the notch or groove free of debris.

6276658, Aug 21, 2001

Apr 4, 2000

9/542312

Cary M. Austin - Lubbock TX

F16K 3112

251 28

A water system uses a pressure reservoir of an extremely small size. A valve device is placed between a water pump and the pressure reservoir. The valve device has a constant outlet pressure to limit the flow from the pump at high pressures. The pump is turned on and off by a pressure on/off switch. The valve device maintains the pressure to the reservoir at or below the on switch pressure except for a trickle flow. The trickle flow fills the reservoir when there is little or no water usage from the reservoir. The trickle flow is achieved by a notch in the valve surfaces of the valve device or by a projection preventing the surfaces to seal. Each time the valve opens any debris in the notch is washed from the notch thereby keeping the notch free of debris. Back flow of the trickle is prevented with a roll seal valve by restricting the trickle to a flow path and incorporating a check valve in the flow path.