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| Number | Title | Issue Date |
| 7654280 | Anti-freezing hydrant An anti-freezing hydrant is provided with a hollow valve rod of which a back end is provided with a lump formed with an oblique cone where a water leakage hole is formed communicating with the valve rod. A one-way valve is provided in a inner water inlet in a valve ... | 02/02/2010 |
| 7438082 | Frost-resistant stand valve The invention concerns a valve arrangement for external operation including: a feed opening, a delivery opening, a connecting passage which connects the feed opening to the delivery opening, a first valve which is adapted to enable the fluid connection through the c... | 10/21/2008 |
| 7401620 | Yard hydrant with drain port check valve A yard hydrant having a valve body with a drain port and a check valve mounted adjacent to the drain port to allow water to flow from the hydrant through the drain port to the ground and prevent ground water from flowing into the hydrant through the drain port and c... | 07/22/2008 |
| 7249609 | Yard hydrant with closure valve check valve A yard hydrant having a valve body with a valve seat and a drain port. A closure valve disposed within the valve body and engaging the valve seat. The valve body having a conduit in fluid communication with the drain port and a hollow interior of the valve body. A c... | 07/31/2007 |
| 7234479 | Sanitary yard hydrant A water hydrant for suppling potable water from a water source has an internal movable riser contained within a housing that extends beneath the ground to a depth below which freezing temperatures cannot reach. A chamber housing located at a distal end of the hydran... | 06/26/2007 |
| 7228868 | Fire hydrant system The present invention relates to a hydrant system that is projected over the ground while being buried in the underground. The hydrant system comprises a sluice valve connected to a water-guide tube within a manhole M, the sluice valve having a first openings/shutti... | 06/12/2007 |
| 7093610 | Outdoor hydrant-type water faucet An improved outdoor hydrant-type water faucet comprised of a water control connector at the top section of a hydrant-type standpipe equipped with a water control connector adjustment fixture and a downwardly extending coupling rod at the bottom section of the hydran... | 08/22/2006 |
| 7089955 | Recreational vehicle low temperature water supply warming system The present recreational vehicle water warming and circulating system uses the heated water in the water heater to heat the on-board water supply when the outside air temperature drops below the freezing point of water. The system includes a holding tank for contain... | 08/15/2006 |
| 7059337 | Fluid hydrant A hydrant comprising a housing forming a reservoir; and a piston configured to force residual fluid out of the reservoir to an outlet and to allow supply fluid to flow from an inlet through the piston to the outlet when the piston is actuated in the housing to a fir... | 06/13/2006 |
| 6966332 | Air valve assembly for a fire hydrant An air valve assembly for a fire hydrant includes a pressure responsive valve means removably mounted at or near a top of a fire hydrant and more specifically to a fire hydrant bearing housing. The pressure responsive valve means is adapted to open when the fire hyd... | 11/22/2005 |
| 6948509 | Fluid hydrant A hydrant comprising a chamber forming a reservoir, an inlet configured to supply fluid to the hydrant and a sleeve configured to force static fluid out of an outlet, wherein a first portion of the chamber containing the reservoir is configured to be located in the ... | 09/27/2005 |
| 6899120 | Yard hydrant A yard hydrant has an elongated wet pipe with a plunger that seals against the inside of a well casing. Lifting a pivoting handle at the top of the wet pipe lowers the wet pipe which opens a normally closed supply valve. Pressurized water can then flow up the wet pi... | 05/31/2005 |
| 6883534 | Freeze protection device for wall hydrants/faucets A freezeless wall hydrant has a normally horizontal fluid inlet tube with an interior end and exterior end. A hollow valve fitting is rigidly secured to the interior end of the inlet tube for a connection to a source of pressurized fluid. A valve seat is located on ... | 04/26/2005 |
| 6857442 | Freeze protection device for wall hydrants/faucets A freezeless wall hydrant has a normally horizontal fluid inlet tube with an interior end and exterior end. A hollow valve fitting is rigidly secured to the interior end of the inlet tube for a connection to a source of pressurized fluid. A movable ball is located w... | 02/22/2005 |
| 6830063 | Freezeless protection device for wall hydrants/faucets A freezeless wall hydrant is provided that has an elongated inlet pipe comprised of a hollow tube. The tube is connected to a valve and fitting assembly on its inner end for connection to a source of water under pressure. On the outer end, the tube is connected to a... | 12/14/2004 |
| 6769446 | Freeze protection device for wall hydrants/faucets A freezeless wall hydrant has a normally horizontal fluid inlet tube with an interior end and exterior end. A hollow valve fitting is rigidly secured to the interior end of the inlet tube for a connection to a source of pressurized fluid. A valve seat is located on ... | 08/03/2004 |
| 6684900 | Installation device for yard hydrant A device and method for installing yard hydrants which renders the yard hydrant easily installed and replaced. The device includes a buried adapter, a sleeve, and a cap. The buried adapter has an inlet for attachment to a buried water system pipe, an outl... | 02/03/2004 |
| 6668852 | Frost proof sillcock service sleeve A service sleeve coupled with a frost proof sillcock including a housing having an outer surface and defining an inner chamber for receiving an inner portion of the sillcock, a stem portion, and an area of water pipe that extends radially from the stem po... | 12/30/2003 |
| 6659123 | Maintaining readiness in fire hydrants Fire hydrants are protected from freezing by including potassium formate, preferably at least 10% by weight, in the water enclosed in them during nonuse.... | 12/09/2003 |
| 6427716 | Positive displacement hydrant with water discharge path from reservoir A hydrant, comprising in combination an upper portion including a handle, a lower portion to be installed at least in part underground, the lower portion including a reservoir and a piston adapted to be displaced in the reservoir in response to handle man... | 08/06/2002 |
| 6394125 | Leak-containing sheath for frost-resistant hydrant A combination sheath and frost-resistant wall hydrant include a hydrant having a wall-penetrating conduit and intermediate wall bracket. There is an internal valve seat between the bracket and indoor or inlet end, and so is located in a presumptively warm... | 05/28/2002 |
| 6321773 | Water valve assembly and water draining method An overall valving system is situated generally between a source of water and a habitable structure; a main valve is selectively openable and closable to permit and terminate flow from such source of water to the habitable structure; a conduit is provided... | 11/27/2001 |
| 6279594 | Flow actuated valve An upright cylindrical valve body has an inlet port axially aligned with an outlet port. A valve member is retained for reciprocal movement into and out of engagement with a valve seat axial aligned with fluid flow between the inlet and outlet ports. A re... | 08/28/2001 |
| 6216722 | Freeze-resistant hydrant A freeze-resistant hydrant (10, 110) extending between a first area having a temperature at least intermittently below freezing and a second area having a temperature constantly above freezing including, a heat-transfer tube (20, 120), a first end (21, 12... | 04/17/2001 |
| 6158455 | Antifreeze cap for faucet A cap assembly for providing continuous drip to a faucet exposed to freezing temperatures such as a faucet located outside a house. The cap assembly includes a cap member adapted to be mounted over the end of a faucet, which cap member includes a cylindri... | 12/12/2000 |
| 6116265 | Removable frost proof hydrant A freeze-proof hydrant has a hollow, tubular housing adapted to be buried in the ground in a vertical orientation so that its upper end is approximately even with the surface of the ground and its lower end is below the local frost line. A base fitting at... | 09/12/2000 |
| 6085776 | Water supply system A freeze-resistant water supply system comprising a water outlet or outlets having ON-OFF controls; a water supply line or lines to the outlet or outlets and having a section subjected to cold temperature, and a drain line or lines associated with the out... | 07/11/2000 |
| 6047723 | Positive displacement yard hydrant A yard hydrant comprising a cylinder, and a piston movable up and down in the cylinder in association with water flow into and out of a reservoir in the cylinder; tubular structure associated with the piston and extending upwardly from the piston and down... | 04/11/2000 |
| 6003780 | Freezeproof valve assembly for a drinking fountain An improved freezeproof or freeze resistant valve assembly is provided for use in an outdoor drinking fountain or the like. The fountain includes a main on-off valve for coupling an underground water supply conduit via a standpipe to a fountain head to di... | 12/21/1999 |
| 5979490 | Adjustable anti-freeze water delivery assembly An adjustable anti-freeze water delivery assembly for connecting with a water main buried in the ground comprises a body section with an inner bore and a water outlet. A water supply section couples to a water main below the ground surface and has an inne... | 11/09/1999 |
| 5830380 | Methyl salicylate antifreeze solution method An antifreeze solution for use in potable water systems is provided which has a distinct, pleasant aroma. The aroma allows the user to determine by smell the presence of the antifreeze solution in the water system. The antifreeze solution contains methyl ... | 11/03/1998 |
| 5797416 | Faucet and water pipe freeze-protection device A device which protects water faucets and water pipes to which they are attached from freezing or breaking due to freezing of water contained therein. The device comprises a closed-ended nipple which is axially and/or radially expandable to accommodate fr... | 08/25/1998 |
| 5553637 | Frost-free water supply A freeze-resistant water supply system comprising a drinking water outlet having an ON-OFF control; a water supply line to the outlet and having a section subjected to cold temperature, and a drain line associated with the outlet to receive discharge wate... | 09/10/1996 |
| 5261441 | Yard hydrant A yard hydrant includes a discharge nozzle above ground level connected to other vertically reciprocal working parts in the ground below the frost line. A cylindrical water reservoir unit, disposed below the frost line around said working parts, includes ... | 11/16/1993 |
| 5246028 | Sanitary yard hydrant A freeze and contamination resistant hydrant, for controlling fluid flow includes: a vertically elongated conduit having a lower portion adapted for installation underground, the conduit having a lower fluid inlet associated with that lower portion, and a... | 09/21/1993 |
| 5176166 | Insulating and stabilizing structure for a faucet An insulating and stabilizing structure is provided for a faucet mounted on an unsupported vertical pipe extending upwardly from a pipe fitting on a horizontal pipe through the ground. The structure consists of an insulated sleeve to fit over a portion of... | 01/05/1993 |
| 5115833 | Ground hydrant with ninety-degree water flow turn-off ball valve below frost line A ground hydrant includes an elongated hollow water flow pipe positioned from above the ground to below the frost line in the ground, a flow control valve, and a housing which mounts the flow control valve at a position below the frost line in the ground.... | 05/26/1992 |
| 5033500 | Freeze valve apparatus A freeze resisting valve apparatus, for controlling water flow, the combination comprising: a vertically elongated, hollow valve body having a lower portion adapted for installation underground, the body having a lower water inlet associated with the lowe... | 07/23/1991 |
| 4928731 | Aircraft toilet tank filling valve assembly A toilet tank filling valve assembly to be mounted on an aircraft (10) includes an elongated main body (32) for defining an elongated passage (34) and first and second longitudinally spaced lateral passages (36 and 38). A one piece elongated bypass casing... | 05/29/1990 |
| 4854339 | Freeze valve apparatus Freeze resisting valve apparatus, for controlling water flow, includes: a vertically elongated, hollow valve body having a lower portion adapted for installation underground, the body having a lower water inlet associated with that lower portion, and an u... | 08/08/1989 |
