Patents by Inventor David Gordon Picken

David Gordon Picken 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).

  • Apparatus and process for producing pultruded FRP rebar
    Patent number: 11760039
    Abstract: Apparatus for producing bent multi-sided pultruded fibre reinforced plastic reinforcement bar for concrete (commonly known as FRP rebar) comprises multiple resin wetting stages to simultaneously resin impregnate multiple bundles of fibreglass rovings continuously drawn through the resin wetting stages, multiple spiral winding stages arranged to spiral wind warps around the multiple wet rovings, and multiple rotating multi-sided former frames for continuously winding thereon the multiple wet rovings and holding the multiple rovings while curing. A related method is also claimed.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: September 19, 2023
    Assignee: Owens Corning Reinforcement Solutions, LLC
    Inventors: Peter Granville Holdsworth, David Gordon Picken
  • Apparatus And Process For Producing Pultruded FRP Rebar
    Publication number: 20220297393
    Abstract: Apparatus for producing bent multi-sided pultruded fibre reinforced plastic reinforcement bar for concrete (commonly known as FRP rebar) comprises multiple resin wetting stages to simultaneously resin impregnate multiple bundles of fibreglass rovings continuously drawn through the resin wetting stages, multiple spiral winding stages arranged to spiral wind warps around the multiple wet rovings, and multiple rotating multi-sided former frames for continuously winding thereon the multiple wet rovings and holding the multiple rovings while curing. A related method is also claimed.
    Type: Application
    Filed: August 13, 2020
    Publication date: September 22, 2022
    Applicant: Owens Corning Reinforcement Solutions, LLC
    Inventors: Peter Granville Holdsworth, David Gordon Picken