Patents by Inventor Itzhak Shefer

Itzhak Shefer 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).

  • SEE-THROUGH MANHOLE COVER
    Publication number: 20160113266
    Abstract: a The disclosure is directed to a manhole cover, comprising: an upper transparent disc; a lower transparent disc coupled to the upper disc; and means for emitting electromagnetic radiation at a predetermined wavelength that is narrower than full spectrum, the means for emitting electromagnetic radiation operably coupled to the lower disc, wherein: the upper disc has a diameter larger than the lower disc, and the predetermined wavelength is configured to inhibit vermin from inhabiting the volume irradiated by the means for emitting electromagnetic radiation.
    Type: Application
    Filed: January 7, 2016
    Publication date: April 28, 2016
    Inventor: Itzhak Shefer
  • See-through manhole cover
    Patent number: 9258992
    Abstract: The disclosure is directed to a manhole cover, comprising: an upper transparent disc; a lower transparent disc coupled to the upper disc; and means for emitting electromagnetic radiation at a predetermined wavelength that is narrower than full spectrum, the means for emitting electromagnetic radiation operably coupled to the lower disc, wherein: the upper disc has a diameter larger than the lower disc, and the predetermined wavelength is configured to inhibit vermin from inhabiting the volume irradiated by the means for emitting electromagnetic radiation.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: February 16, 2016
    Inventor: Itzhak Shefer
  • SEE-THROUGH MANHOLE COVER
    Publication number: 20140144067
    Abstract: The disclosure is directed to a manhole cover, comprising: an upper transparent disc; a lower transparent disc coupled to the upper disc; and means for emitting electromagnetic radiation at a predetermined wavelength that is narrower than full spectrum, the means for emitting electromagnetic radiation operably coupled to the lower disc, wherein: the upper disc has a diameter larger than the lower disc, and the predetermined wavelength is configured to inhibit vermin from inhabiting the volume irradiated by the means for emitting electromagnetic radiation.
    Type: Application
    Filed: November 28, 2013
    Publication date: May 29, 2014
    Inventor: Itzhak Shefer
  • Manhole cover
    Patent number: D1012316
    Type: Grant
    Filed: February 16, 2021
    Date of Patent: January 23, 2024
    Inventor: Itzhak Shefer