Patent · US Expired

Portable temperature maintenance system

US4901538A · kind A · utility

26Cited by
5References
7Claims
0Family size

Inventor

Key dates

Filing dateJul 13, 1988
Grant dateFeb 20, 1990
Priority date
Expiry dateJul 13, 2008

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25D2400/38
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A portable temperature maintenance system for maintaining a desired temperature in a cargo container. The system includes a lightweight panel for releaseable attachment to the opening of a cargo container, a refrigeration unit separate from the lightweight member, and flexible conduits for conducting vapor between the cargo container and the refrigeration unit in a substantially closed looped system.

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