Patents by Inventor Kenneth P. Graham

Kenneth P. Graham 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).

  • Production of heated bituminous mixes
    Patent number: 4249890
    Abstract: A process for the production of heated aggregate mix, such as bituminous mix, and a reactor for carrying out the process. In one aspect, the process entails the control of gas flow through a tumbler drum, preferably by controlling exhaust from the drum, in dependence upon the continuous monitoring of a parameter, such as gas pressure within the drum. In a second aspect the aggregate contents of the drum are heated by using a burner to preheat the gas flow, a technique which permits admission of the drum feed as a homogenous stabilized mix.
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: February 10, 1981
    Assignee: K. P. Graham & Associates Pty. Ltd.
    Inventor: Kenneth P. Graham