Patents by Inventor Harold L. Bennett

Harold L. Bennett 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 PRODUCTION OF LOW TEMPERATURE CHAR DURING PRODUCTION OF LOW TEMPERATURE TARS
    Publication number: 20110131872
    Abstract: An improved process for the production of smokeless (low CO22—CO emitting) boiler fuels which have been obtained by careful temperature control and the addition of waste, trash or other carbonaceous material during carbonization of various coal materials such as tar sands, bituminous coal, peat lignite, and oil shale.
    Type: Application
    Filed: February 14, 2011
    Publication date: June 9, 2011
    Inventor: Harold L. Bennett
  • Process for production of low temperature char during production of low temperature tars
    Patent number: 7909896
    Abstract: An improved process for the production of smokeless (low CO2—CO emitting) boiler fuels which have been obtained by careful temperature control and the addition of waste, trash or other carbonaceous material during carbonization of various coal materials such as tar sands, bituminous coal, peat lignite, and oil shale.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: March 22, 2011
    Assignee: Bennett Engineers and Associates of Austin Colorado
    Inventor: Harold L. Bennett
  • Process for production of low temperature char during production of low temperature tars
    Publication number: 20030097784
    Abstract: An improved process for the production of smokeless (low CO2—CO emitting) boiler fuels which have been obtained by careful temperature control and the addition of waste, trash or other carbonaceous material during carbonization of various coal materials such as tar sands, bituminous coal, peat lignite, and oil shale.
    Type: Application
    Filed: November 27, 2001
    Publication date: May 29, 2003
    Inventor: Harold L. Bennett
  • Ablative liner
    Patent number: 4458595
    Abstract: An improved rocket motor has a first layer of silicone rubber and a second ayer of an ablative lining placed between the rocket motor casing and the propellant grain. The ablative lining layer contains chopped novoloid fibers 14 microns in diameter and nominally 1 mm in length interspersed throughout a polymeric composition.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: July 10, 1984
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Howard W. Gerrish, Jr., Ronald F. Vetter, George F. Sieg, Harold L. Bennett
  • 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