Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Phosphate coating complex metal surfaces

Phosphate coating complex metal surfaces

US Patent 4808281 · Granted Feb 28, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Additive C capable of changing microvia-filling method by TSV copper plating, an2018
Additive for reducing voids after annealing of copper plating with through silic2018
High performance thermoelectric nanocomposite device2011
Method for impregnating a solid oxide fuel cell cathode with silver to reduce el2011
Liquid properties sensor circuit2010
Fuel cell with metal alloy contacts that form passivating conductive oxide surfa2009
Shape memory alloy information storage device2008
Method for detecting fuel in oil of an internal combustion engine2007
Diesel engine lubricating oil contaminant sensor method2005
Apparatus and method for determining oil change based upon oil viscosity2005
Apparatus and method for determining oil change based upon oil viscosity2005
Method for determining engine lubricating oil condition2004