ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,796, issued on Nov. 11, was assigned to Tyco Fire Products LP (Cranston, R.I.).

"Normally closed valve for dry pipe trim on a diaphragm valve" was invented by James O. Williams (Marlborough, Mass.), Joshua Motha (Tiverton, R.I.) and Normand James Roy (Coventry, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve assembly includes a body, a spring, a spacer, an interfacing member, a connecting rod, and a plunger. The body includes a first section defining a first opening, a second section defining a chamber, a second opening, and a pressure port, and a third section defining a third opening and a release port. The second section is between th...