Patents by Inventor Harry J. HELMRICH

Harry J. HELMRICH 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: 11575807
    Abstract: The invention relates to a method and apparatus for keeping the field of view of an optical device (camera, laser, etc.) clean and unobstructed from dirt, contaminants, dust, chemicals, or other physical or chemical obstructions that hinder the performance of the optical device and, more particularly it employs a sacrificial transparent film positioned in front of and radially around a transparent main cylinder, within which an optical device is to be located.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: February 7, 2023
    Inventor: Harry J. Helmrich
  • Publication number: 20210227113
    Abstract: The invention relates to a method and apparatus for keeping the field of view of an optical device (camera, laser, etc.) clean and unobstructed from dirt, contaminants, dust, chemicals, or other physical or chemical obstructions that hinder the performance of the optical device and, more particularly it employs a sacrificial transparent film positioned in front of and radially around a transparent main cylinder, within which an optical device is to be located.
    Type: Application
    Filed: January 19, 2021
    Publication date: July 22, 2021
    Inventor: Harry J. HELMRICH