Patents Assigned to Bennett Engineering Inc.
  • Process for production of synthetic crude oil, alcohols, and chars during low temperature carbonization of coals
    Patent number: 4273643
    Abstract: A process for the production of synthetic crude oil, alcohols, semi-coke (chars), and cokes which are obtained during the production of low temperature coal tars and are derived by careful temperature control during the carbonization of various carbon containing material such as bituminous coals, peat, lignite, trash, and other solid wastes.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: June 16, 1981
    Assignee: Bennett Engineering Inc.
    Inventor: Harold L. Bennett