ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,633, issued on Sept. 23, was assigned to SSM Scharer Schweiter Mettler AG (Wadenswil, Switzerland).
"Device for oiling a moving yarn" was invented by Martin Kuttel (Gattikon, Switzerland) and Franz Boni (Leissigen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for oiling a moving yarn includes a controller, a housing, an oil port provided in the housing, and a dosing pump arranged in the housing. A yarn guiding device with an oil transfer element is mounted in the housing. The oil transfer element is connected to the oil port by an oil feed channel via the dosing pump. A closure element and a flow sensor are provided in the oi...