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:
Apr. 12, 2022
Filed:
May. 07, 2020
Applicant:
Captive-aire Systems, Inc., Raleigh, NC (US);
Inventors:
William Brian Griffin, Columbia, PA (US);
Nicholas I. Perry, Warrington, PA (US);
Kyle D. Thompson, Lancaster, PA (US);
Assignee:
Captive-Aire Systems, Inc., Raleigh, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 13/02 (2006.01); F24C 15/20 (2006.01); F24C 15/34 (2006.01); E04B 1/74 (2006.01);
U.S. Cl.
CPC ...
F24F 13/0263 (2013.01); E04B 1/74 (2013.01); F24C 15/20 (2013.01); F24C 15/34 (2013.01); E04B 2001/742 (2013.01);
Abstract
A grease duct assembly is employed in a commercial kitchen. The grease duct assembly includes multiple sections that are connected together and sealed. Each section includes a double wall construction that forms a central conduit and an annular space that extends between an inner wall and an outer wall. Shredded insulation is directed into the annular space and compressed therein.