Patent · US Expired

Industrial drying

US4247991A · kind A · utility

11Cited by
5References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 1, 1979
Grant dateFeb 3, 1981
Priority date
Expiry dateOct 1, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S165/901
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A gas drying system where the heat energy in the exhaust gas and the dried product is recovered to reduce the energy required to dry additional products.

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