Gurmail Singh Dhonsi
The inspiration for the tractor-mounted device came from an earthworm,says Gurmail. The machine uses a large metal plate with blades to chop agricultural waste while sprinklers around the plate keep the mixture wet. According to its inventor,the machine considerably reduces the amount of time taken to turn agro-waste to compost. The product came in first at this years innovation awards. Although priced much higher than the other products at the exhibition,the compost maker has already sold about 35 units in different parts of the country. According to Dr Vipin Kumar from the National Innovation Foundation,one machine can easily suffice for 10 villages.
Jahangir Ahmad Dar
Electrical Painting Brush
The product has been designed to facilitate painting high walls and buildings with ease. The product is a motorised device attached to a paint brush with a pipe connecting it with a bucket. The painter will not need to carry a paint bucket while balancing precariously on top of a ladder. He just needs his brush, Jahangir said. The brush has a button for regulating the flow of paint. The product was developed in 2009 and has only now been patented. The product received the third prize in the national zone on Friday.
Zero-Energy Natural Water Cooler
Arvind designed this device on the principal of evaporative cooling to provide clean and cool drinking water suited for public places. With the use of the solar-operated fan,water can be cooled up to 21-22 degrees Celsius in summer, Arvind said. The cooler stores up to 150 litres of water and can be conveniently placed in crowded places. Arvind modified the design many times to make it more cost-effective. The product was patented in 1997 and about 500 NWCs have been placed at different places in his home state of Gujarat. He has now started receiving orders for the product from different schools and colleges in the state.
Flame-less Seal Maker
The 18-year-old has eight innovations to her credit and has also earned herself a seat in an engineering college in Chennai. The story of her innovation is as interesting as her gadget. My father used to work in the Treasury office in Kanyakumari and I used to wait for him there after school watching him melt lac and seal government documents, Masha said. The burns on her fathers hands made her invent the Flame-less Seal Maker for which she now holds a patent. The seal maker uses electricity to heat the lac used for sealing and it can be dropped directly on paper or cloth without causing any burns to the person holding it. Masha developed the product within a month,nearly two years ago,and it was used in polling booths in Tamil Nadu during the 2011 Assembly polls.