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.

Date of Patent:
Mar. 28, 2006

Filed:

May. 23, 2005
Applicants:

Brian N. Pierce, Chico, CA (US);

Steven Ralph Rasmussen, Yuba City, CA (US);

Inventors:

Brian N. Pierce, Chico, CA (US);

Steven Ralph Rasmussen, Yuba City, CA (US);

Assignee:

Sunsweet Growers, Inc., Yuba City, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F26B 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dehydration tunnel for fruits, vegetables, and other products reduces the vulnerability of the products to damage from carmelization and case hardening by dividing a row of product vessels into two segments, passing heated air simultaneously over both segments but in opposite directions, and advancing the row of vessels unidirectionally through the tunnel. Each vessel is thus exposed to a stream of heated air traversing the vessel in one direction, followed by a separate stream of heated air traversing the vessel in the opposite direction. This allows the tunnel to be operated at moderate temperatures and reduces the harmful temperature cycling of each vessel that is typical of tunnel dryers of the prior art.


Find Patent Forward Citations

Pierce, Brian. (2006). Dual-zone dehydration tunnel (U.S. Patent No. 7018201). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7018201

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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