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| Number | Title | Issue Date |
| 7427037 | Anti-clogging showerhead device A showerhead facilitating draining of water retained following shut-off. The showerhead includes a housing swivelably fitted on a ball-adapter which in turn includes an integral threaded segment for attachment to a water feed line. An air pathway is formed to extend... | 09/23/2008 |
| 7347388 | Shower head A shower head includes a main body, a mounting seat, a locking nut, a connecting disk, an O-ring, a gasket, a water outlet faceplate, an adjusting bolt, and a connector unit. Thus, the connecting disk is moved toward the main body by rotation of the adjusting bolt s... | 03/25/2008 |
| 7121477 | Sprinkler system with relief and backflow preventer valve and warning system This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose and the water supply. A central station including a water supply inlet... | 10/17/2006 |
| 7004513 | Pipe coupling methods A pipe coupling method includes an inlet insert, a clamping ring, a clamp and the forming of a flange on an end of two adjacent pipes. A clamping ring includes an inner groove sized to receive the flanges of the two adjacent pipes. A first end of the inlet insert is... | 02/28/2006 |
| 5954268 | Fluid delivery system A fluid delivery apparatus includes a housing having an open end and an interior surface. The interior of the housing defines a cavity within the housing. The cavity, in combination with a piston-like member, defines a reservoir for containing a fluid (e.... | 09/21/1999 |
| 5640991 | Siphon freeze drain valve for underground irrigation systems Siphon freeze drain valve for an underground water sprinkling system including a line operating under water pressure, the drain valve being a U-shaped tube, one end of which is passed through a hole in the top of the line, the other end of which is outsid... | 06/24/1997 |
| 5193578 | Irrigation line drain valve The invention is an automatic drain valve for irrigation pipelines. The valve is located at the end of the pipe, and comprises a pivoted, spring lever attached to the outside of the pipe and attached to a valve stem and seat.... | 03/16/1993 |
| 4763837 | Frost free irrigation system and valve therefor In one aspect a novel valve, when used with water conveying conduits of water supply or of irrigation systems, will purge them of residual water in the conduits, when the water supply is "cut off", but will close the system when the water supply is on (e.... | 08/16/1988 |
| 4646970 | Hand-held washing device Washing device of the gun type intended to be held by two hands. Designed en in operation to have a generally linear flow path for liquid to deliver the maximum volume of liquid at a given water pressure. Especially useful for washing mud from the tracks ... | 03/03/1987 |
| 4234125 | Pop-up sprinkler A long-extension pop-up sprinkler for subsurface installation and irrigation of overlying plantings. A wiper seal or ring at the top of the sprinkler body strips sand and dirt from a riser which retracts when inlet water is turned off, and this seal is wa... | 11/18/1980 |
| 4121621 | Pilot operated flushing valve A flushing valve for installation in a drip irrigation system comprises a head portion at one end of a tubular body that fits within the end of one of a series of lateral conduits of the system and has a recess open to the conduit. A transverse passage ex... | 10/24/1978 |
| 4009832 | Irrigation means for the uniform distribution of liquid A tube is provided with outlet apertures along its length and an internal flap adapted to throttle the flow of liquid through the apertures to an extent that is variable in response to the liquid pressure within the tube.... | 03/01/1977 |
| 3987810 | Burner scavenging valve A valve for incorporation in a fuel line, between a pump and a fuel burner, has a valve chamber and a valve member in the chamber. The valve member normally closes a connection from the pump to the burner, but opens this connection in response to a suitab... | 10/26/1976 |
