Patents by Inventor Wayne E. Cobb

Wayne E. Cobb 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).

  • Spreader for and operative by a granular product
    Patent number: 4272028
    Abstract: The subject invention is directed to a spreader adapted for support in an upper entrance or inlet of a storage facility or bin for spreading and depositing the product in a circular area to a substantially uniform depth and comprises a hopper or funnel for initially receiving the product and an impeller which is propelled or operated by the downward force of the product.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: June 9, 1981
    Inventor: Wayne E. Cobb
  • Spreader for a granular product
    Patent number: 4031929
    Abstract: The subject invention involves, among other things, mounting impeller blades, of a unique design and construction, which are disposed below an outlet provided in a hopper so that the product flowing downwardly from the outlet may be spread distally in any conical pattern desired for deposit to form a pile or layer of substantially uniform depth.
    Type: Grant
    Filed: February 12, 1976
    Date of Patent: June 28, 1977
    Inventors: Wayne E. Cobb, Edward W. Cobb