Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Perforate, test and sample tool and method of use

Perforate, test and sample tool and method of use

US Patent 4878538 · Granted Nov 7, 1989

Estimated economic value: $22,296,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Inhibitors of proteins specific for the secretome of a chondrocyte for use in th2019
Above packer perforate, test and sample tool and method of use1989
Well fluid modular sampling apparatus1988
Packer bypass1988
String bypass1988
High pressure gauge carrier1988
Bundle type downhole gauge carrier1987