Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Power drill system with adjustable depth sensing means

Power drill system with adjustable depth sensing means

US Patent 4813822 · Granted Mar 21, 1989

Estimated economic value: $2,685,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Reversible double-throw air motor2001
Reversible double-throw air motor2000
Method of cooling an impulse tool1998
Sensor impulse unit1997
Hydraulic impulse tool with enhanced fluid seal1997
Sensor impulse unit1996
Fluid pressure impulse nut runner1989
Low pressure shut off device contained within a pneumatic tool1989
Clutch for positive feed drill1989
Deactivating rotor vane kick-out mechanism1988
Reversible radial vane air motor1988
Ball and disc over-speed shut-off mechanism for a rotary pneumatic tool1988