Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pressure control system and cable guiding device for use in drilling wells

Pressure control system and cable guiding device for use in drilling wells

US Patent 5188173 · Granted Feb 23, 1993

Estimated economic value: $27,310,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Model train coupler with linear actuator2012
Control and motor arrangement for use in model train2011
Smoke production system for model locomotive2010
Control and motor arrangement for use in model train2010
Synchronized externally generated sound effects for model trains2009
Control and motor arrangement for use in model train2007
Control and motor arrangement for use in model train2007
Radio-linked, bi-directional control system for model electric trains2007
Control and motor arrangement for use in model train2007
Energy conserving satellite tracking tag2005
Radio tag for LFM radar2004
Control and motor arrangement for use in model train2004