US Patent Issued to Spruce Environmental Technologies on Oct. 21 for "System and method of analyzing duct pressure within a pipe" (Massachusetts, New Hampshire Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,324, issued on Oct. 21, was assigned to Spruce Environmental Technologies Inc. (Ward Hill, Mass.).

"System and method of analyzing duct pressure within a pipe" was invented by Mark Fearis (Danville, N.H.) and Paul Owens (West Newbury, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method of analyzing duct pressure within a pipe allows for monitoring and detecting vacuum pressure of gases. The system includes a pressure monitor and a target duct. The pressure monitor preferably includes an alarm light, a speaker, a sensing light, an alert indicator, and a battery alert. The method begins by periodically capturing a plurality of pre...