Patent · US Active

Freezer, in particular ultra-low temperature freezer

US9835370B2 · kind B2 · utility

2Cited by
18References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 16, 2014
Grant dateDec 5, 2017
Priority date
Expiry dateApr 14, 2035

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25D23/025
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

An ultra-low temperature freezer comprising an interior and a housing surrounding the interior and having an outer door. The interior comprises several cooling compartments in a stacked arrangement, each cooling compartment having an inner door. At least one upper cooling compartment has a supplementary seal for sealing its inner door compared to at least one lower cooling compartment.

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