Patent · US Expired

Thermo chromic heat storing/releasing device

US7370689B2 · kind B2 · utility

25Cited by
2References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 21, 2004
Grant dateMay 13, 2008
Priority date
Expiry dateOct 5, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S165/905
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A thermal chromic heat storing/releasing device includes a bag having an enclosed space for containing a heat storing/releasing material, and the heat storing/releasing material is a material that can store and release heat and the heat storing/releasing material is contained in the bag. A thermal chromic printed layer having at least a part disposed on the bag, and the printed material is mixed with a thermal chromic dye, such that the thermo chromic material will change the color of the printed layer for a visual indication as the temperature rises or drops.

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