ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,916, issued on May 6, was assigned to I-TEK METAL MFG. Co. LTD (Tainan, Taiwan).
"Easy-to-install door opener" was invented by Hung-Jen Tien (Tainan, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door opener includes a mount seat having a bottom wall. A reinforcing seat is fixed to the bottom wall. A driving device for opening or closing the door is detachably coupled to the reinforcing seat and includes a motor. A quick-release device includes a quick-release seat fixed to the bottom wall, a first coupling portion, a movable member slidably coupled to the quick-release seat and a movable coupling portion. A control device includes a prote...