MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202621057830 A) filed by Vishwakarma Institute Of Technology on May 06, 2026, for A Portable Solar-Powered Manual Water Purifier.
Inventors include Kulkarni, Atul; Dama, Yogiraj; Kulkarni, Radhika; Raut, Ketan J.; Tupe, Pravin Vijay; Ghaywat, Manoj Vilas; and Thorat, Shahajirao Ashok.
The application for the patent was published on July 31, 2026, under issue no. 31/2026.
Abstract: The present invention relates to a portable solar-powered manual water purifier system designed to provide safe drinking water in remote, rural, and emergency conditions. The system comprises a solar panel (101) configured to capture solar energy, a system controller box (102) housing a charge controller (102A), a battery compartment (102B), and a DC motor/water pump (102C) for automated pumping. A power support structure (103) with a control panel (103A) and gear assembly (103B, 103C) enables both solar-powered and manual operation via a rotating handle (105E). Water drawn from a source pass through a filter unit (105) comprising a pre-filter (105A), an activated carbon stage, and a UV filter (Figure 9), before entering a leak-proof storage tank (104) through pipes and fittings (106). A manual dynamo generator (107G) provides auxiliary electricity. This dual-mode system ensures uninterrupted purification, offering a compact, lightweight, and reliable solution for outdoor use, humanitarian aid, and disaster relief.
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