Patents by Inventor Malcolm Smart

Malcolm Smart 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).

  • Process for removing of domestic waste incinerator residue
    Patent number: 6190447
    Abstract: A process is provided for the remediation of bottom ash from domestic waste incinerators which comprises hot mixing from 10 to 50% by weight of said bottom ash with from 4 to 6% by weight of bitumen having a penetration of from 50 to 200 pen, from 25 to 55% by weight of crushed rock having a particle size greater than 2 mm, from 10 to 35% by weight of crushed rock fines having a particle size of less than 2 mm and from 0 to 3% by weight of a filler to give a hot mix asphalt product which is environmentally stable and which has load bearing properties at least as good as conventional hot mix asphalts.
    Type: Grant
    Filed: August 30, 1999
    Date of Patent: February 20, 2001
    Assignee: Aggregate Industries, Inc.
    Inventors: Paul Phillips, Malcolm Smart