Patents by Inventor Daniel W. Kelm

Daniel W. Kelm 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 of uniformly distributing granular material
    Patent number: 4685843
    Abstract: A section of tube with a series of inwardly directed projections is placed in the main conduit of a pneumatic applicator, upstream of the primary distribution head. The inner projections in the tube serve to center the direction of the blown granular material into the primary distributor head. The projections are arranged in annular rows with the projections of each row being offset from those of an adjacent row.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: August 11, 1987
    Assignee: Flexi-Coil Ltd.
    Inventor: Daniel W. Kelm
  • Distribution tube for pneumatic applicator
    Patent number: 4575284
    Abstract: A section of tube with a series of inwardly directed projections is placed in the main conduit of a pneumatic applicator, upstream of the primary distribution head. The inner projections in the tube serve to center the direction of the blown granular material into the primary distributor head. The projections are arranged in annular rows with the projections of each row being offset from those of an adjacent row.
    Type: Grant
    Filed: September 23, 1981
    Date of Patent: March 11, 1986
    Assignee: Flexi-Coil Ltd.
    Inventor: Daniel W. Kelm