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:
Mar. 21, 2000
Filed:
Apr. 17, 1998
Applicant:
Inventors:
Michael B Pooley, London, GB;
Carl N Strotton, Bognor Regis, GB;
David G Wardle, Bridgewater, NJ (US);
Assignee:
The BOC Group plc, Windlesham, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F25D / ;
U.S. Cl.
CPC ...
62 63 ; 62 65 ; 62374 ; 62380 ; 62381 ;
Abstract
Apparatus and methods for freezing products, such as food products, in which a breathable liquid cryogen is sprayed onto the products as they are conveyed into the insulated enclosure of a mechanical conveyor freezer. Some of the cryogen vaporized through contact with the products is ducted into the top of the enclosure, and means may be provided for spraying cryogen directly into the freezer enclosure.