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:
Apr. 30, 1996
Filed:
Jul. 29, 1994
Applicant:
Inventors:
Gordon W Brunson, Chagrin Falls, OH (US);
William A Whittenberger, Leavittsburg, OH (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N / ; B01D / ;
U.S. Cl.
CPC ...
422174 ; 422179 ; 422180 ; 422199 ; 422221 ; 422222 ; 60299 ; 60300 ; 502439 ; 502527 ;
Abstract
There is provided an improved converter body core element having a corrugated thin metal strip having, parallel to and close to a longitudinal marginal edge thereof, a recess dimensioned and configured to receive a heater band. In specific embodiments, the heater band is desirably lightly corrugated, i.e., having an amplitude of the corrugations which is from one tenth to one third the amplitude of the corrugations in the strip containing the recess, and the heater band is dimensioned and configured to fit into the recess.