ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,249, issued on May 19, was assigned to Deere & Co. (Moline, Ill.).
"Spur gear transmission" was invented by Javier Moscoso Cabrera (Getafe, Spain), Javier Jose Perez Ramirez (Pinto, Spain) and Hector H. Ballester (Getafe, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spur gear transmission includes a first gearwheel and a second gearwheel in engagement with one another in a rolling contact region, a transmission housing having housing walls which surround the first and second gearwheels at the end faces and at the circumference, the transmission housing being at least partially filled with a lubricating fluid, the second gearwheel being guid...