Patents by Inventor Larry J. Nau

Larry J. Nau 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: 5681105
    Abstract: A lamp in the shape of a brick and adapted for placement between bricks in a driveway or on roads, having an outer case, an electric bulb housing mounted in the case, a bulb socket supported on the bulb housing mounted in the case, and a translucent lens formed of a high strength plastic mounted on the top of the bulb housing. In a preferred embodiment the unit comprised of the bulb housing and lens is removable mounted in the case by means of lathing members. Resilient blocks receiving the lower ends of the screws to lock such unit to the case and is removable for replacing a bulb in the bulb socket or for cleaning the interior of the case. The screws in combination with the resilient blocks permit expansion and contraction of the bulb housing-lens unit while in locked position. For installation between bricks, e.g. in a driveway, the lamp is inserted between adjacent bricks and held in place by mortar.
    Type: Grant
    Filed: October 31, 1994
    Date of Patent: October 28, 1997
    Inventor: Larry J. Nau
  • Patent number: 5390090
    Abstract: A lamp in the shape of a brick and adapted for placement between bricks in a driveway or on roads, having an outer case, an electric bulb housing mounted in the case, a bulb socket supported on the bulb housing and a translucent lens formed of a high strength plastic mounted on the top of the bulb housing. In a preferred embodiment the unit comprised of the bulb housing and lens is removably mounted in the case by means of latching members, e.g. in the form of elongated screws attached to such unit and having lower threaded ends, and resilient blocks mounted adjacent the inside walls of the outer case and a threaded member, e.g. a nut, positioned in the resilient blocks for receiving the lower ends of the screws for locking or releasing such unit to remove same from the case replacing a bulb in the bulb socket or for cleaning the screws in combination with the resilient blocks permit expansion and contraction of the bulb housing-lens unit while in locked position.
    Type: Grant
    Filed: September 2, 1992
    Date of Patent: February 14, 1995
    Inventor: Larry J. Nau