Patents by Inventor Walter Yap

Walter Yap 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: 20070056521
    Abstract: Embodiments of the present invention generally relate to an automatic self cleaning litter box. In accordance with one embodiment, an apparatus is provided that includes a litter receptacle, a drive unit moveably coupled to the litter receptacle, and a sieve coupled to the drive unit such that the sieve possesses at least two degrees of freedom of movement relative to the litter receptacle and at least one degree of freedom of movement relative to the drive unit.
    Type: Application
    Filed: September 14, 2005
    Publication date: March 15, 2007
    Inventors: Elif Caputa, Brooke Sloate, Michael Otterman, Walter Yap
  • Publication number: 20060249442
    Abstract: A portable water container includes a body defining a reservoir, a replaceable filter housed in a storage compartment of the body, and a connection assembly. The assembly connects a water supply source to the filter. Pressurized water from the water supply source flows under pressure through the filter and into the water reservoir through an outlet port in the storage compartment. The body is configured to store the connection assembly when not connecting the water faucet to the filter.
    Type: Application
    Filed: March 31, 2006
    Publication date: November 9, 2006
    Inventors: Walter Yap, Paul Lincoln, Keith Bernard