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:
Nov. 29, 1994
Filed:
Oct. 04, 1993
Applicant:
Inventor:
Jeffrey C Pesotini, Milford, CT (US);
Assignee:
Dorr-Oliver Incorporated, Milford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; C04B / ; C01F / ;
U.S. Cl.
CPC ...
210295 ; 210298 ; 210312 ; 210319 ; 210406 ; 210408 ; 210409 ; 210523 ; 210526 ; 210527 ; 210928 ; 162240 ; 209173 ; 209464 ; 209492 ; 422162 ; 422185 ; 423640 ; 423D / ;
Abstract
The grit conveyance system of a classifier having a wash region above the liquid layer is provided with a vacuum means in the wash region for positive removal of liquids through a metal screen for disposal.