Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method of removing copper and copper oxide from a ferrous metal surface

Method of removing copper and copper oxide from a ferrous metal surface

US Patent 4452643 · Granted Jun 5, 1984

Estimated economic value: $5,531,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and apparatus for welding metal panels having flanges2014
Differential motion conveyor2007
Vibrating funnel fingers for distribution of seasoning onto discrete lanes2003
Motion restraint system for vibratory apparatus2003
Method of and composition for treating hydrocarbon based materials2002
Methods of drying pipelines2000
Automatic impact device2000
Automatic impact device1998
Automatic impact device1998
Method of removing heavy metals from solutions of amino-carboxylic acids for dis1995
Segmented piston face plate assembly for patty forming apparatus1995
Method of cutting high strength materials with water soluble abrasives1994