Inventor

BARBELY JASON R

US5 patents

⚠️ This page may combine multiple inventors who share the name “BARBELY JASON R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WASSELL MARK ELLSWORTH

2 patents

US8087476B2Jan 3, 2012

System and method for damping vibration in a drill string using a magnetorheological damper

WASSELL MARK ELLSWORTH22 citations91

US9976360B2May 22, 2018

System and method for damping vibration in a drill string using a magnetorheological damper

WASSELL MARK ELLSWORTH1 citations46

APS TECHNOLOGY INC

2 patents

US7762356B2Jul 27, 2010

Rotary steerable motor system for underground drilling

APS TECHNOLOGY INC44 citations91

US7389830B2Jun 24, 2008

Rotary steerable motor system for underground drilling

APS TECHNOLOGY INC42 citations91

APS TECH INC

1 patent

US10465506B2Nov 5, 2019

Mud-pulse telemetry system including a pulser for transmitting information along a drill string

APS TECH INC4 citations70