Patent · US Active

Commercial kitchen installation with double wall grease duct

US11300317B2 · kind B2 · utility

0Cited by
14References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 2020
Grant dateApr 12, 2022
Priority date
Expiry dateOct 14, 2040

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE04B2001/742
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.