Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Petroleum, gas or geothermal driling apparatus

Petroleum, gas or geothermal driling apparatus

US Patent 5343964 · Granted Sep 6, 1994

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Positive displacement machine having rotating vanes and a non-circular chamber p1999
Articulated tool for drilling oil, gas geothermal wells1998
Disposable absorbent hygiene article having waistband pockets improving the seal1996
Rotary positive displacement machine with helicoid surfaces of particular shapes1995
Positive displacement machine with planetary motion and hypertrochoidal geometry1995
Disposable diaper with crotch elastics and lateral sealing coating1992
Diaper with elasticized crotch1991
Wiper system for motor vehicles1988
Wiping arrangement for windows of vehicles1988
Roller displacement motor1987
Egg timer-shaped absorbent pad for a pair of nappy-pants, and process for the co1987
Wiping arrangement for windows of vehicles1987