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:
May. 15, 2001
Filed:
Sep. 29, 1999
Applicant:
Inventors:
Zhenning Mao, Savage, MN (US);
Rolf Wieland, Gilbertsville, PA (US);
Steve Shaw, Burnsville, MN (US);
Assignee:
MVE, Inc., New Prague, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F17C 3/365 ;
U.S. Cl.
CPC ...
F17C 3/365 ;
Abstract
A rectangular double walled cryogenic freezer has a vacuum space filled with layers of a reflective material. The support material is an open-celled three dimensional geometric grid that provides structural support for the freezer walls to prevent wall deformation when a vacuum is drawn.