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:
Feb. 26, 2002
Filed:
Jun. 28, 2000
Applicant:
Inventors:
Jeremy Paul Miller, Mortimer, GB;
Mark Sherman Williams, Winchester, GB;
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 1/306 ; F25D 9/00 ; F25B 9/00 ;
U.S. Cl.
CPC ...
F25D 1/306 ; F25D 9/00 ; F25B 9/00 ;
Abstract
A method of freezing a product, which method comprises the steps of vaporizing a cryogenic liquid and warming the vapor thus formed in indirect heat exchange with a product to be frozen, work expanding the warmed vapor, and using the work expanded vapor thus obtained to refrigerate the or another product.