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:
Sep. 29, 1987
Filed:
Oct. 02, 1986
Applicant:
Inventors:
Robert A Lawhon, Chehalis, WA (US);
Robert B Heithoff, LaVale, MD (US);
Wayne H Gonzalez, Tumwater, WA (US);
Assignee:
PPG Industries, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65 27 ; 65134 ; 65135 ; 65335 ;
Abstract
In a material preheating and liquefying process such as in a glassmaking operation, particulates entrained in the exhaust from the preheating stage are collected and returned to the process at a location where a molten phase is present and re-entrainment is suppressed.