Patent · US Expired

Grain drying systems

US4009520A · kind A · utility

32Cited by
3References
9Claims
0Family size

Inventor

Key dates

Filing dateJul 21, 1975
Grant dateMar 1, 1977
Priority date
Expiry dateJul 21, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A40/51
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In a grain drying bin, drying conduit members are attached to the inside wall and extend to and rest on the foundation to supportively reinforce the bin wall and thereby permit use of lighter gauge wall panels, while also serving the air distribution function of such conduits.

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