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:
Feb. 09, 1999
Filed:
Sep. 11, 1997
Applicant:
Inventors:
David Dwight Mulligan, Covington, VA (US);
John Rolfe Martin, Covington, VA (US);
Assignee:
Westvaco Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B27L / ;
U.S. Cl.
CPC ...
144341 ; 1442081 ; 1442089 ; 144342 ; 241103 ;
Abstract
This invention relates to a wood chip recovery system which removes bark from roundwood or wood chips. It is desirable for such structures of this type to recover the wood chips from the bark without introducing contaminants, such as metal ions like iron, into the debarked roundwood or wood chips.