Patents Assigned to Duropar Technologies, Inc.
  • Method for the production of railway ties
    Patent number: 8252216
    Abstract: Durable, weather and an insect-resistant railway ties are fabricated by the co-extrusion into a die of at least one mixture comprising asphalt binder and aggregate and recycled plastic, optionally strengthened by fillers such as glass fiber or KEVLAR.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: August 28, 2012
    Assignee: Duropar Technologies, Inc.
    Inventors: Brian Abramson, James R. Inglis
  • COMPOSITION AND METHOD FOR THE PRODUCTION OF RAILWAY TIES
    Publication number: 20100219257
    Abstract: Durable, weather and an insect-resistant railway ties are fabricated by the co-extrusion into a die of at least one mixture comprising asphalt binder and aggregate and recycled plastic, optionally strengthened by fillers such as glass fibre or KEVLAR.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 2, 2010
    Applicant: DUROPAR TECHNOLOGIES, INC.
    Inventors: Brian Abramson, James R. Inglis
  • Railway Ties and Structural Elements
    Publication number: 20060226247
    Abstract: A composite structural element and a method of making the same is provided. The composite structural element comprises of asphalt, fiber-reinforced plastics and optionally other plastics such as virgin plastics and recycled blue box plastics. The composite structural element may be used as a railway tie. In the manufacturing process, the composite structural elements may be molded.
    Type: Application
    Filed: March 29, 2005
    Publication date: October 12, 2006
    Applicant: DUROPAR TECHNOLOGIES INC.
    Inventors: Brian Abramson, James Inglis