Patents Assigned to Aerex International Corporation
  • Patent number: 5174819
    Abstract: An improved composite material is prepared by first uniformly mixing cement and perlite fines. The perlite fines comprise particles that are less than 200 mesh. The mixture of perlite fines and cement is then mixed with water, formed into a desired shaped, and allowed to dry. The dried material is useful in many applications where cement is used and has fireproofing and strength characteristics superior to ordinary concrete.
    Type: Grant
    Filed: July 30, 1991
    Date of Patent: December 29, 1992
    Assignee: Aerex International Corporation
    Inventor: James P. Carlson
  • Patent number: 5080022
    Abstract: An improved composite material is prepared by first uniformly mixing cement and perlite fines. The perlite fines comprise particles that are less than 200 mesh. The mixture of perlite fines and cement is then mixed with water, formed into a desired shaped, and allowed to dry. The dried material is useful in many applications where cement is used and has fireproofing and strength characteristics superior to ordinary concrete.
    Type: Grant
    Filed: August 1, 1990
    Date of Patent: January 14, 1992
    Assignee: Aerex International Corporation
    Inventor: James P. Carlson