An improved Internal combustion engine configuration having opposed Pistons which run on single crankshaft so as to     achieve high torques and higher thermal efficiency.

A surface levelling system and method of displacing walls of a container and power generation.

A hydraulic ramming system and method of containers storing liquid and power generation.

System and method - metal padlock with GSM/GPRS transmission and GPS alert mechanism.

Electric massage footwear for improved blood circulation