ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,775, issued on March 25.

"Modular vaporizing device and system" was invented by Richard Yao Tien Huang (Freemont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vaping device including a water chamber for filtering smoke or vapor prior to inhalation of the smoke or vapor. The device including a replaceable vaporization module with a vaporization chamber that contains a substance to be heated or burned. The device including an air flow chamber, herein the air flow chamber connects the vaporization chamber, wherein the air flow chamber is configured to provide a tunnel between an upper edge and a lower edge of the air flow chamber, for passa...