US Patent Issued on May 13 for "Smoke clearing and cooling insert and cannabis smoking implements using thereof" (Massachusetts Inventor)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,295,409, issued on May 13.

"Smoke clearing and cooling insert and cannabis smoking implements using thereof" was invented by Michael Barenboym (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compact pipe or an insert assembly for smoking cannabis features an elongated pathway for smoke prior to entering the mouthpiece so as to cause smoke cooling and purification by removal of smoking debris along the pathway. An elongated serpentine groove is formed on the exterior of an elastic stem insert configured for insertion into a rigid outer shell during the pipe assembly. Elastic stem insert also serves to brush off smoke stains and deposits of smoke...