The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2021
Filed:
Aug. 20, 2019
Applicant:
Nicholas Davis, San Diego, CA (US);
Inventor:
Nicholas Davis, San Diego, CA (US);
Assignee:
CP MANUFACTURING, INC., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B07B 1/15 (2006.01); B07B 1/14 (2006.01); A01D 17/06 (2006.01); D21B 1/02 (2006.01);
U.S. Cl.
CPC ...
B07B 1/15 (2013.01); A01D 17/06 (2013.01); B07B 1/145 (2013.01); D21B 1/02 (2013.01);
Abstract
A disc for use in a disc screen is disclosed. The disc includes a longitudinal disc axis and a hub extending a length along the longitudinal disc axis. The hub further includes a hub surface and a helical ridge structure extending away from the hub surface and twisting about the longitudinal axis at least 360 degrees. A cross-section of the hub taken perpendicularly to the longitudinal disc axis is non-circular.