Patents by Inventor John Russell Sharpe

John Russell Sharpe 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).

  • Method and apparatus for laying roadway materials
    Publication number: 20030143024
    Abstract: Methods and apparatus for depositing roadway material using a road paving machine having a hopper for storing the roadway material, a feed conveyor for transferring the roadway material from the hopper to an auger, and a screed for levelling the roadway material. A trough prevents the roadway material from falling from the feed conveyor onto a road surface. The trough diverts and deposits the roadway material to one side of the paving machine.
    Type: Application
    Filed: November 21, 2002
    Publication date: July 31, 2003
    Inventors: John Russell Sharpe, Alan Victor Sharpe, Ronald Douglas Sharpe
  • Method and apparatus for laying roadway materials
    Patent number: 6086287
    Abstract: Method and apparatus for depositing roadway material on a road bed using a road paving machine having a spreader for laterally spreading the material and a screed for leveling the material. A guide underneath the spreader and the screed is used to control the height of the screed above the road bed. The guide also confines the width of the material deposited by the road paving machine to less than the width of the screed which is normally the standard width of material deposited by the road paving machine.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: July 11, 2000
    Inventors: John Russell Sharpe, Alan Victor Sharpe, Ronald Douglas Sharpe