Patents by Inventor Ross Hoffmann

Ross Hoffmann 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).

  • RESCUE LADDER ATTACHMENT
    Publication number: 20210300509
    Abstract: An attachment for a ladder includes a pair of spaced rails secured together by at least one rung and a removable pin at an end for securing the attachment to a standard ladder.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 30, 2021
    Inventor: Ross Hoffmann
  • Rescue ladder attachment
    Patent number: 11034420
    Abstract: An attachment for a ladder includes a pair of spaced rails secured together by at least one rung and a removable pin at an end for securing the attachment to a standard ladder.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: June 15, 2021
    Inventor: Ross Hoffmann
  • RESCUE LADDER ATTACHMENT
    Publication number: 20200370372
    Abstract: A safety rescue attachment for a ladder includes a foldable safety extension having a ladder engagement clamp on a terminal end thereof.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Inventor: Ross Hoffmann
  • RESCUE LADDER ATTACHMENT
    Publication number: 20200255107
    Abstract: An attachment for a ladder includes a pair of spaced rails secured together by at least one rung and a removable pin at an end for securing the attachment to a standard ladder.
    Type: Application
    Filed: February 13, 2019
    Publication date: August 13, 2020
    Inventor: Ross Hoffmann
  • RESCUE LADDER ATTACHMENT
    Publication number: 20200256125
    Abstract: An attachment for a ladder includes a pair of rung tubes for engaging the hollow rungs of a ladder secured together by at least one end tube.
    Type: Application
    Filed: October 24, 2019
    Publication date: August 13, 2020
    Inventor: Ross Hoffmann