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:
Nov. 21, 2017
Filed:
Oct. 08, 2015
Applicant:
Robert M. Parker, Pulaski, WI (US);
Inventor:
Robert M. Parker, Pulaski, WI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B 5/06 (2006.01); F26B 5/04 (2006.01);
U.S. Cl.
CPC ...
F26B 5/06 (2013.01); F26B 5/044 (2013.01);
Abstract
A freeze-drying system is disclosed which includes a vented cart configured for operation in a pressure-controlled chamber, and a plurality of heated shelves disposed in the vented cart. At least one heated shelf of the plurality of heated shelves is provided. The heated shelf includes a first planar sheet formed from a thermally conductive material having a top configured to conduct heat to a tray resting on the top, a second planar sheet disposed opposite the first planar sheet, and a heating element secured between the first and second planar sheets. The heating element has a surface disposed in thermally conductive contact with the first planar sheet.