Inventions for everyday life, such as smartphone apps, a balcony vegetable planter and an innovative envelope, attracted huge attention from visitors at the third Beijing college student innovative product and patent exhibition and promotion fair.

The event, which was organized by seven government organizations including the Beijing Intellectual Property Office and the Beijing Zhongguancun Administration Committee, was held from Dec 6 to 7 at Beijing University of Civil Engineering and Architecture.

This year's fair offered 536 patents, creative products and academic papers from 55 universities in Beijing, Tianjin and Hebei province. They covered fields including new materials, advanced manufacturing, consumer electronics and aerospace technology.