Patents by Inventor Tung H. Lu

Tung H. Lu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20080087746
    Abstract: The present invention provides a showerhead that allows a bather to switch among at least three different water delivery functions. In the first function, the showerhead delivers a concentrated fluttering spray at a rate not to exceed 2.0 GPM. In the second function, the showerhead delivers a combined spray pattern, wherein the fluttering spray and a radially dispersed precision spray are simultaneously delivered to the bather at a rate not to exceed 2.5 GPM for the combined water flow. In the third function, the showerhead delivers the precision spray pattern at a rate not to exceed 2.5 GPM. The combination spray pattern is effected without compromising either the desirable massaging and cleaning effect of water delivery or the inherent water conservation benefits. In addition, the showerhead of the present invention provides an automatic return feature for return of the showerhead to the first function when water pressure to the showerhead falls below a predetermined bottom threshold.
    Type: Application
    Filed: October 16, 2006
    Publication date: April 17, 2008
    Inventors: David Meisner, Walter Pitsch, Tung H. Lu