Patent · US Expired

Waste collection systems

US4049321A · kind A · utility

5Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 9, 1976
Grant dateSep 20, 1977
Priority date
Expiry dateFeb 9, 1996

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB08B15/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Apparatus for the removal of waste material from a manufacturing operation comprising a box into which the waste material is fed, lid means for the box movable between open and closed positions and means for establishing a current of conveying air through said box when said lid means is closed.

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