7 Reasons why HMD is the World’s Leading Sealless Magnetic Drive Pump Manufacturer HMD invented and patented sealless magnetic drive pump technology in the 1940s. During the last 7+ decades, tens of thousands of HMD sealless magnetic drive pumps have been deployed in a wide range of industries, including chemical, industrial, refining, pharmaceutical and renewable energy applications. Today, HMD Kontro continues to enhance and expand its market-leading technology. Click here for 7 reasons why operators choose HMD Kontro Sealless Magnetic Drive pumps. | 
