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. 25, 2025
Filed:
Aug. 17, 2018
Messer Industries Usa, Inc., Bridgewater, NJ (US);
Scott Boyles, Telford, PA (US);
Messer Industries USA, Inc., New Castle, DE (US);
Abstract
A food freezer includes: a first housing having a first chamber arranged internally within for providing a freezing gas to a food product within the first chamber; a second housing having a second chamber arranged internally within and being in fluid communication with the first chamber for exhausting the freezing gas from the first chamber; an adjustable opening disposed at a common wall between the first chamber and the second chamber for controlling a flow of the freezing gas moving from the first chamber to the second chamber, the adjustable opening disposed to provide a flow path for the flow of the freezing gas to a region of the second chamber for exhaust from said second chamber to an area external to the first housing and second housing; and a pressure curtain comprising the exhaust and disposed at the second chamber to prevent atmosphere from the area external to the first housing and second housing from entering said housings. A related method of exhausting freezing gas is also provided.