Patents by Inventor Terence Drews

Terence Drews 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).

  • Method for making products made from recycled vehicle tires
    Patent number: 5316708
    Abstract: Process of making building block members by mixing natural latex with shredded vehicle tires to form a mixture, placing the mixture in a mold, applying pressure to compress the mixture, and maintaining pressure for a time period during which the latex hardens and cures.
    Type: Grant
    Filed: January 15, 1992
    Date of Patent: May 31, 1994
    Inventor: Terence Drews
  • Method of manufacturing barriers
    Patent number: 5122008
    Abstract: A barrier is manufactured by inserting a cage frame into the mold. The cage frame forms a clearance gap between the frame side walls and the mold side walls. The cage frame is first substantially filled with vehicle tire material and secondly filled with non-recyclable plastic material. An adhesive-type liquid is poured into the clearance gap to fill the sides of the mold. The top of the mold is coupled into place and the adhesive liquid is poured through the top to fill up the mold. The mold is then cured to produce the barrier.
    Type: Grant
    Filed: November 20, 1991
    Date of Patent: June 16, 1992
    Inventor: Terence Drews
  • Method of manufacturing barriers
    Patent number: 5106554
    Abstract: A barrier is manufactured by inserting a cage frame into the mold. The cage frame forms a clearance gap between the frame side walls and the mold side walls. The cage frame is first substantially filled with vehicle tire material and secondly filled with non-recyclable plastic material. An adhesive-type liquid is poured into the clearance gap to fill the sides of the mold. The top of the mold is coupled into place and the adhesive liquid is poured through the top to fill up the mold. The mold is then cured to produce the barrier.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: April 21, 1992
    Inventor: Terence Drews