US Patent Issued to NTIP on Nov. 3 for "System and method of manufacture of cellulose insulation" (Wisconsin Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,431, issued on Nov. 3, was assigned to NTIP LLC (Milwaukee).

"System and method of manufacture of cellulose insulation" was invented by William Sellars (Milwaukee) and Thomas C. Shutt (Milwaukee).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for producing cellulose insulation fiberizes the input cellulose material and removes cellulose dust before the resulting cellulose fibers and matrices of cellulose fibers are sprayed with a liquid fire-retardant chemical. A cellulose material metering bin supplies cellulose material to one or more fiberizers. A dryer operates to dry the liquid fire-retardant chemical to produce cellulose insu...