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:
Oct. 14, 2025
Filed:
Apr. 23, 2020
Kadant Black Clawson, Llc, Lebanon, OH (US);
Daniel Parenteau, Blainville, CA;
Guy Maurais, Terrebonne, CA;
Mark Mouannes, Laval, CA;
Peter Joseph Flynn, Loveland, OH (US);
Christopher L. Demler, Lebanon, OH (US);
Donald K. Greier, Dayton, OH (US);
Kadant Black Clawson LLC, Lebanon, OH (US);
Abstract
A screen cylinder includes a profiled bars aligned longitudinally and coupled to at least one support ring. Each of the profiled bars includes an outer surface facing away from the support ring, a first slot surface extending from the outer surface to the attachment end, and a second slot surface opposite the first slot surface and extending from the outer surface to the attachment end of the profiled bar. The first slot surface of one profiled bar and the second slot surface of another immediately adjacent profiled bar define a slot. The profiled bars include a hardened layer integral with or disposed on at least a portion of the first slot surface of the profiled bar. The hardened layer may have a Vickers hardness greater than the hardness of the base metal.