Patents by Inventor Eric Jacob Steffes

Eric Jacob Steffes 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).

  • Articulated jib crane
    Patent number: 9527697
    Abstract: A fully articulated and continuous rotation jib crane system includes a first crane arm connected to a crane post by a first pivot joint and a second crane arm connected to the first crane arm by a second pivot joint, each pivot joint including a shaft having a plurality of apertures in fluid communication with the pivot joints and internal bores of the crane arms to transfer a vacuum system pressure, the pivot joints facilitating continuous rotation of each of the first and the second crane arms for any degree of rotation while maintaining the vacuum system pressure through the first and the second pivot joints and the first and the second crane arms.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: December 27, 2016
    Assignee: RAKA CORPORATION
    Inventor: Eric Jacob Steffes
  • ARTICULATED JIB CRANE
    Publication number: 20140360961
    Abstract: A fully articulated and continuous rotation jib crane system includes a first crane arm connected to a crane post by a first pivot joint and a second crane arm connected to the first crane arm by a second pivot joint, each pivot joint including a shaft having a plurality of apertures in fluid communication with the pivot joints and internal bores of the crane arms to transfer a vacuum system pressure, the pivot joints facilitating continuous rotation of each of the first and the second crane arms for any degree of rotation while maintaining the vacuum system pressure through the first and the second pivot joints and the first and the second crane arms.
    Type: Application
    Filed: June 3, 2014
    Publication date: December 11, 2014
    Inventor: Eric Jacob Steffes