Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Composite drill collar

Composite drill collar

US Patent 4708203 · Granted Nov 24, 1987

Estimated economic value: $4,361,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Septic overflow warning system2017
Heterogeneous liquid phase catalytic process for the dehydration of monoethanola2015
Crosslinkable polymeric coatings and films and composite structures incorporatin1999
Lightweight back-pack generator set having a spark-ignited engine operating on m1996
Method of molding a composite drill collar1991
Method for protecting a pipe casing from a drill pipe string1989
Stamp molded paraffin scraper1985
Hydraulic power and control system for granular fertilizer spreaders1980