Patents by Inventor Robert Engdahl

Robert Engdahl 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).

  • Collapsible personnel basket for a crane
    Patent number: 10532919
    Abstract: A collapsible personnel basket apparatus quickly and easily deploys on the tip of a crane boom and stores in a space-efficient manner when not in use. The basket apparatus has a collapsible spine made up of a plurality of spine segments, a support platform pivotally coupled to a bottom spine segment, a connection member pivotally coupled to a top spine segment and including a coupling portion at a proximal end thereof, an adapter configured for attachment to a crane tip at a distal end of a crane boom, and a foldable rail assembly removably mountable on the spine and/or the support platform. The adapter mates with the coupling portion of the connection member to removably mount the connection member on the crane tip. A related deployment method, spine segment locking mechanism, coupling apparatus, and storage apparatus are also disclosed.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: January 14, 2020
    Assignee: Omaha Standard, LLC
    Inventors: Mario Hufnagl, Robert Engdahl
  • COLLAPSIBLE PERSONNEL BASKET FOR A CRANE
    Publication number: 20160257543
    Abstract: A collapsible personnel basket apparatus quickly and easily deploys on the tip of a crane boom and stores in a space-efficient manner when not in use. The basket apparatus has a collapsible spine made up of a plurality of spine segments, a support platform pivotally coupled to a bottom spine segment, a connection member pivotally coupled to a top spine segment and including a coupling portion at a proximal end thereof, an adapter configured for attachment to a crane tip at a distal end of a crane boom, and a foldable rail assembly removably mountable on the spine and/or the support platform. The adapter mates with the coupling portion of the connection member to removably mount the connection member on the crane tip. A related deployment method, spine segment locking mechanism, coupling apparatus, and storage apparatus are also disclosed.
    Type: Application
    Filed: March 2, 2015
    Publication date: September 8, 2016
    Inventors: Mario Hufnagl, Robert Engdahl
  • Elbow pad
    Patent number: D364009
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: November 7, 1995
    Inventor: Robert A. Engdahl