Patents by Inventor Stephen M. Kopp

Stephen M. Kopp 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).

  • Drywall lifting apparatus
    Patent number: 12280989
    Abstract: The invention is an apparatus that can handle a bulky and/or heavy object such as construction materials including lifting, transporting, and setting down the object. The apparatus includes a weighed base platform with a mast erected at the front. A cable-based hoisting mechanism is built over the platform such that the cable travels over the top of the mast to the front for securing and hoisting the object. The apparatus includes further stability features.
    Type: Grant
    Filed: June 16, 2023
    Date of Patent: April 22, 2025
    Inventor: Stephen M. Kopp
  • Drywall Lifting Apparatus
    Publication number: 20240076168
    Abstract: The invention is an apparatus that can handle a bulky and/or heavy object such as construction materials including lifting, transporting, and setting down the object. The apparatus includes a weighed base platform with a mast erected at the front. A cable-based hoisting mechanism is built over the platform such that the cable travels over the top of the mast to the front for securing and hoisting the object. The apparatus includes further stability features.
    Type: Application
    Filed: June 16, 2023
    Publication date: March 7, 2024
    Inventor: Stephen M. Kopp