Patents by Inventor Keith Broomhall

Keith Broomhall 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).

  • Processing crop material
    Patent number: 4986747
    Abstract: In compacting straw and other fibrous material into blocks or briquettes the material is precompressed into a length L of compressed material before feeding to compacting apparatus for compacting the length into the blocks or briquettes.The compacting apparatus includes a pair of rotary members 10, 11 rotatable about relatively inclined axes 12, 13. A row of pockets 19, 20 extends around each rotary member and the pockets define spaces in which the material is received. The rotary members converge during rotation so that the material is compacted in the spaces.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: January 22, 1991
    Assignee: Barrico Limited
    Inventor: Keith Broomhall
  • Point for a cultivating tool
    Patent number: D296442
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: June 28, 1988
    Assignee: Howard Machinery Public Limited
    Inventor: Keith Broomhall