Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cathodic protection apparatus for well coated metal vessels having a gross bare area

Cathodic protection apparatus for well coated metal vessels having a gross bare area

US Patent 4457821 · Granted Jul 3, 1984

Estimated economic value: $1,149,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Light source arrangement for a photolithography exposure system and photolithogr2019
Method for regulating a light source of a photolithography exposure system and e2018
Apparatus for laser beam exposure of a substrate disc1999
Overlay for cap bill or visor1997
Alignment patterns for two objects to be aligned relative to each other1992
Optical device for forming crossed linear image elements1989
Salt bridge reference electrode1980