Patents by Inventor Robin G. Pitman

Robin G. Pitman 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: 7223038
    Abstract: An apparatus spreads flowable materials such as adhesives and/or sealants on a surface such as a floor and/or a wall. The apparatus has a pad retainer for a removable spreader pad and a reservoir chamber for flowable material pivotally attached to the pad retainer to permit pivoting of the reservoir chamber frontwards and backwards. The reservoir chamber has an adjustable gate through which the flowable material may exit. The gate is proximal the bottom of the reservoir chamber and complementary to the width of the pad retaining means to permit more uniform spreading of the flowable material. A handle is attached to and extends from the reservoir chamber. The handle may pivot from side to side on the reservoir chamber and may be hollow to house a cable associated with the means for opening the gate.
    Type: Grant
    Filed: July 6, 2004
    Date of Patent: May 29, 2007
    Assignee: Billy Star Holding Ltd
    Inventors: David E. Livingstone, Robin G. Pitman, Ronald W. Matechuk
  • Patent number: 5895170
    Abstract: A flexible, raised snowplowable pavement marker having a top portion that readily deforms downwardly into a base portion when impacted by vehicular traffic or a snowplow blade. Markers installed in a cavity bored in pavement are anchored in place with grouts or alternatively within an annular ring mounting device. The marker body may be black in color to take advantage of solar activity in improving marker performance and longevity and may be vented to atmosphere to facilitate the downward deflection of the top portion of the pavement marker. A retroreflective sheeting is affixed to the marker so that the marker is highly visible to motor vehicle drivers at nighttime.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: April 20, 1999
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: David C. Chambers, Robin G. Pitman