Patents by Inventor Cameron Gordon Howie

Cameron Gordon Howie 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: 10214345
    Abstract: Embodiments of the invention are directed to a protective collar that covers the edges of a manhole or other personnel entryway. One device comprises at least two pieces and a hinge that connects the two pieces, which allows the device to be folded for storage. Another device includes a skirt portion that extends further into the manhole. A further device includes at least one light to provide light into the manhole. A still further device includes a surface port that provides a connecting point for a line, and a subsurface port that provides a connecting point for another line. A still further device includes another portion to cover any equipment that has been inserted into the manhole. A still further device includes at least one rung to assist in personnel in entering and exiting the manhole.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: February 26, 2019
    Inventor: Cameron Gordon Howie