Patents by Inventor W. John Kiefer

W. John Kiefer 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).

  • Patent number: 7201842
    Abstract: A screened gravity-fed water funnel or water funnel kit may be characterized in one aspect as including a substantially conically-shaped water-permeable mesh screen, a funnel releasably mounted or mountable to, and in fluid cooperation with, the screen, and a flexible tether mounted or mountable to the screen. An anchor or other means for embedding an upstream end of the tether immobile in the stream is mounted or mountable to the tether, opposite to the screen. That is, the anchor is mounted or mountable at an upstream end of the tether and an upstream narrow end of the screen is mounted or mountable to a downstream end of the tether, and wherein an upstream wide-end of the funnel is mounted to a downstream wide-end of the screen, and wherein a hose coupler is mounted or mountable to a downstream narrow end of the funnel.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: April 10, 2007
    Inventor: W. John Kiefer