Shakti Pumps’ new patent technology aims to improve functionality and efficiency of motors and grid electrical systems Shakti Pumps (India) Limited’s shares rose 4.76 per cent after the company secured its 14th patent for a new motor technology. The patent, titled “Method and Apparatus for Soft Start, Soft Stop, Protection & Brown Out Operation of a Grid-Connected Motor,” was awarded by the Patent Office, Government of India, in accordance with the Patents Act of 1970. This patent is valid for 20 years from the date of filing.