Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Self-centering self-aligning anti-friction rotor and screw

Self-centering self-aligning anti-friction rotor and screw

US Patent 4274296 · Granted Jun 23, 1981

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Device for separating solids from air2004
Method of forming a pattern of conductor runs on a sheet of dielectric material1989
Method and apparatus for calibrating deflection in an oscilloscope1987
Method and apparatus for shipping and storing cargo1986
Mug or similar article1986
Tumbler or similar article1986
Rotor and screw elevator equipped with a fail-safe control system1985
Stairway with fail safe power lift for lading, the infirm, wheelchair patients, 1984
Mobile showroom with living quarters1980