 eCoupled was developed by researchers at sister company Amway roughly ten years ago, and first sold as part of Amway's eSpringTM water purification system in 2001.Previously, the design team had experienced issues with the durability and corrosion of electrical connections inside the device.By replacing the wired power supply with an inductively coupled one, the eSpring design team was able to hermetically seal the electrical components, improve reliability, and simplify the overall product design.