Patents by Inventor Bryan Langseth

Bryan Langseth 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).

  • Extensible boom construction for self-propelled aerial work platforms
    Patent number: 4506480
    Abstract: An extensible boom assembly which has a tubular outer section, a tubular intermediate section and a tubular inner section supported in a telescoping relationship, and containing a flexible power conducting line which extends through the assembly from adjacent the forward end thereof to adjacent the rearward end thereof. An articulated, hollow link track member which is supported within the boom assembly and which has one end portion doubled-back upon itself, receives and protects the power conducting line from damage during the relative movement of the several boom sections.
    Type: Grant
    Filed: March 10, 1983
    Date of Patent: March 26, 1985
    Assignee: Calavar Corporation
    Inventors: William D. Murrill, Bryan Langseth