Patent · US Expired

Air-isolator fume hood

US7318771B2 · kind B2 · utility

28Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 2005
Grant dateJan 15, 2008
Priority date
Expiry dateJul 19, 2025

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25H1/20
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention is a fume hood capable of exhausting contaminant, having an air pipe in a sash and a suction slot corresponding to the air pipe deposed at the front rim of the bottom surface to obtain an air curtain, where contaminant is efficiently prevented from leakage and energy is saved.

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