MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202641123039 A) filed by Psna College Of Engineering And Technology on October 14, 2026, for Smart Solar Dryer With Automatic Drying Detection For Onions.

Inventors include Athira Manoj; Sharmila S; Shivaani Sv; Shanthiyaa Sri P; and Suja Ts.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: A smart solar dryer for onions is provided, comprising a renewable thermal energy system with an indirect flat-plate solar collector, thermal-storage chamber, sealed biowaste chamber, and water-filled copper heat-transfer coil for supplying and maintaining heat within an insulated drying chamber. Temperature and ...