Patents by Inventor Larry James Hopper

Larry James Hopper 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).

  • Spiral box stair
    Patent number: 9085904
    Abstract: A modular, prefabricated stair tower comprising a plurality of stairs, landings, handrails and hangers pre-assembled into a module configured such that it might be shipped and installed into a wind power tower tube section, with installation preferably occurring prior to shipment to the wind farm jobsite so that, when the tube section is erected vertically, authorized personnel gain immediate, efficient and economical access for ascending and descending large land based and offshore wind power turbine towers.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: July 21, 2015
    Inventor: Larry James Hopper
  • Spiral box stair
    Publication number: 20150101273
    Abstract: A modular, prefabricated stair tower comprising a plurality of stairs, landings, handrails and hangers pre-assembled into a module configured such that it might be shipped and installed into a wind power tower tube section, with installation preferably occurring prior to shipment to the wind farm jobsite so that, when the tube section is erected vertically, authorized personnel gain immediate, efficient and economical access for ascending and descending large land based and offshore wind power turbine towers.
    Type: Application
    Filed: May 22, 2014
    Publication date: April 16, 2015
    Inventor: Larry James Hopper
  • Stair tower module
    Patent number: 8771544
    Abstract: A modular, prefabricated stair tower comprising a plurality of stairs, landings, handrails and hangers pre-assembled into a module configured such that it might be shipped and installed into a wind power tower tube section, with installation preferably occurring prior to shipment to the wind farm jobsite so that, when the tube section is erected vertically, authorized personnel gain immediate, efficient and economical access for ascending and descending large land based and offshore wind power turbine towers.
    Type: Grant
    Filed: May 7, 2011
    Date of Patent: July 8, 2014
    Inventor: Larry James Hopper
  • Stair tower module
    Publication number: 20110271613
    Abstract: A modular, prefabricated stair tower comprising a plurality of stairs, landings, handrails and hangers pre-assembled into a module configured such that it might be shipped and installed into a wind power tower tube section, with installation preferably occurring prior to shipment to the wind farm jobsite so that, when the tube section is erected vertically, authorized personnel gain immediate, efficient and economical access for ascending and descending large land based and offshore wind power turbine towers.
    Type: Application
    Filed: May 7, 2011
    Publication date: November 10, 2011
    Inventor: Larry James Hopper