Patents by Inventor Robert M. Molthen

Robert M. Molthen 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: 5168674
    Abstract: The present invention relates to a method for the construction of prefabricated vacuum panels for the building of residential, commercial or industrial structures offering an extremely high insulating quality comprising; A method is disclosed whereby, a first single prefabricated constructed panel 52, containing a single interior cavity 32, can be joined and integrated to a first second prefabricated constructed panel 52, containing a single interior cavity 32, by utilizing the plurality of male protrusions 44 within the left side edge 26 of the first single contructed panel 52, penetrating and mating with the right side edge 24 of the first second panel 52 containing a plurality of female openings 36, recessed grooves 38 and gasket material 40.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: December 8, 1992
    Inventor: Robert M. Molthen
  • Patent number: 5159780
    Abstract: A method to hold a potted or planted plant or rooted tree in a vertical upright position, comprising a flexible circular collar (22) joined to a plurality of two piece adjustable elongated support members (26). Further, having the means for the plurality of two piece adjustable elongated support members (26) to be placed upon the upper lip of a pot by means of the plurality of forked elongated support member holders (38) or secured directly into the soil by means of the plurality of the shovel head elongated support member (40).
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: November 3, 1992
    Inventor: Robert M. Molthen