ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,812, issued on June 24, was assigned to LEGGETT & PLATT CANADA Co. (Halifax, Canada).
"Pump noise attenuator and method thereof" was invented by Horia Blendea (LaSalle, Canada), Guilherme Hartenberg Watson (LaSalle, Canada), Paul Tindall (Harrow, Canada) and Robert J. McMillen (Tecumseh, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pump assembly includes a pneumatic pump with a pump body having a discharge passage. The pump is operable to discharge compressed air through the discharge passage. The pump assembly also includes a cap adjacent the pump body and at least partially enclosing a first volume in communication with the discharge pa...