Inventor
BURGESS DANIEL E
US17 patents
⚠️ This page may combine multiple inventors who share the name “BURGESS DANIEL E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APS TECHNOLOGY INC
9 patentsUS7219752B2May 22, 2007
System and method for damping vibration in a drill string
APS TECHNOLOGY INC86 citations98
US7327634B2Feb 5, 2008
Rotary pulser for transmitting information to the surface from a drill string down hole in a well
APS TECHNOLOGY INC82 citations97
US8944190B2Feb 3, 2015
System and method for damping vibration in a drill string
APS TECHNOLOGY INC13 citations92
US7997357B2Aug 16, 2011
System and method for damping vibration in a drill string
APS TECHNOLOGY INC16 citations92
US7377339B2May 27, 2008
System and method for damping vibration in a drill string
APS TECHNOLOGY INC24 citations92
US6916248B1Jul 12, 2005
Flexible coupling
APS TECHNOLOGY INC23 citations92
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
US6896050B2May 24, 2005
Latching system for maintaining position of component within a downhole drill string section
APS TECHNOLOGY INC10 citations69
WASSELL MARK ELLSWORTH
4 patentsUS8240401B2Aug 14, 2012
System and method for damping vibration in a drill string
WASSELL MARK ELLSWORTH11 citations92
US8087476B2Jan 3, 2012
System and method for damping vibration in a drill string using a magnetorheological damper
WASSELL MARK ELLSWORTH22 citations91
US8662205B2Mar 4, 2014
System and method for damping vibration in a drill string
WASSELL MARK ELLSWORTH7 citations83
US9976360B2May 22, 2018
System and method for damping vibration in a drill string using a magnetorheological damper
WASSELL MARK ELLSWORTH1 citations46