Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Stuffing box for progressing cavity pump drive

Stuffing box for progressing cavity pump drive

US Patent 7044217 · Granted May 16, 2006

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tubing hanger and wellhead assembly with tubing hanger2025
Drive assembly for a well site2025
Dual string hanger assembly2024
Tubing hanger with tensioner mechanism2024
Dual tubing string adaptor2023
Polish rod locking clamp2018
Polish rod locking clamp2016
Safety guard for a rotatable member2015
Cam-actuated centrifugal brake for preventing backspin2015
Polish rod locking clamp2015
Pump drive head with stuffing box2005
Pump drive head backspin retarder2000