Patents Assigned to TPI Technology Group, Inc.
  • Billboard advertising copy hoist system
    Patent number: 7367462
    Abstract: A hoist system can be used to raise articles. The hoist system can include a mounting structure attachable to a billboard structure, a pole member fastenable to a mounting structure and a winch assembly. The winch assembly has at least one component coupled to the pole. The winch assembly is capable of winding a flexible line. The hoist system can be utilized to raise and lower vinyls, other signage equipment or tools to billboard structures. The pole can be a single piece unit having a bend.
    Type: Grant
    Filed: January 12, 2006
    Date of Patent: May 6, 2008
    Assignee: TPI Technology Group, Inc.
    Inventors: Robert B. McMurray, Paul T. Riedl
  • Billboard advertising copy hoist system
    Patent number: 7025218
    Abstract: A hoist system can be used to raise articles. The hoist system can include a composite pole member having a bend, a mounting structure attachable to the composite pole member and a winch assembly. The winch assembly has at least one component attached to the pole. The winch assembly is capable of winding a flexible line. The hoist system can be utilized to raise and lower vinyls, other signage equipment or tools to billboard structures. The composite pole can be a single piece unit having a bend.
    Type: Grant
    Filed: October 21, 2002
    Date of Patent: April 11, 2006
    Assignee: TPI Technology Group, Inc.
    Inventors: Robert B. McMurray, Paul T. Riedl