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. 12, 1994
Filed:
Oct. 13, 1992
Applicant:
Inventors:
Timothy J Pasternak, Lake Villa, IL (US);
Wilson G Zeitler, Westerville, OH (US);
Assignee:
Abbott Laboratories, Abbott Park, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24H / ;
U.S. Cl.
CPC ...
392379 ; 392368 ; 219541 ; 219539 ; 422307 ;
Abstract
An air heater is used to supply sterile air to an aseptic system for packaging food products. The air heater has an electrical heating element disposed within a tube, and the rate of air flow through the tube is adjustable. The air heater eliminates sources of contamination which are present in prior art air heaters.