Patents Assigned to Primex Marketing, Inc.
  • Low pressure tire
    Patent number: 6279631
    Abstract: A low pressure tire including a torus of flexible, substantially inelastic material. The material will not deform at a temperature of about 225° F. The torus includes an inner diameter surface for engaging a tire supporting rim and an outer diameter surface for contacting a support surface. The torus can flatten under a load to facilitate movement of the tire over soft or irregular support surfaces. A sealable opening permits the inflation and deflation of the torus.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: August 28, 2001
    Assignee: Primex Marketing, Inc.
    Inventor: William E. Tuggle