Patents Assigned to Leigh Interests Limited
  • Solid waste derived fuel
    Patent number: 4356000
    Abstract: A solid pulverizable fuel of consistent calorific value is made by mixing a thick mobile, for example an oily or tarry waste with fly ash, cement and water. The calorific value of the fuel may be enhanced by using a fly ash type material with significant calorific value. One such material is colliery waste.
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: October 26, 1982
    Assignee: Leigh Interests Limited
    Inventor: Christopher L. Chappell