P

Inventor

DAVIS JOHN P

US45 patents
⚠️ This page may combine multiple inventors who share the name “DAVIS JOHN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BAKER HUGHES INC

18 patents
US7472745B2Jan 6, 2009

Well cleanup tool with real time condition feedback to the surface

BAKER HUGHES INC55 citations98
US5253714AOct 19, 1993

Well service tool

BAKER HUGHES INC119 citations97
US7610957B2Nov 3, 2009

Downhole debris catcher and associated mill

BAKER HUGHES INC42 citations94
US7478687B2Jan 20, 2009

Coiled tubing conveyed milling

BAKER HUGHES INC28 citations93
US7100700B2Sep 5, 2006

Downhole ball dropping apparatus

BAKER HUGHES INC28 citations93
US7156182B2Jan 2, 2007

Method and apparatus for one trip tubular expansion

BAKER HUGHES INC29 citations92
US6056049AMay 2, 2000

Wellhead retrieving tool

BAKER HUGHES INC23 citations92
US5909770AJun 8, 1999

Retrievable whipstock

BAKER HUGHES INC42 citations92
US5123489AJun 23, 1992

Milling tool and method for removing a packer

BAKER HUGHES INC48 citations92
US6763753B1Jul 20, 2004

Hydraulic wireline cutter

BAKER HUGHES INC24 citations90
US5494111AFeb 27, 1996

Permanent whipstock

BAKER HUGHES INC26 citations89
US7789154B2Sep 7, 2010

Eductor jet bushing for downhole use

BAKER HUGHES INC15 citations84
US7779901B2Aug 24, 2010

Downhole debris catcher and associated mill

BAKER HUGHES INC14 citations82
US6702031B2Mar 9, 2004

Anchoring device removal method and apparatus

BAKER HUGHES INC16 citations80
US5649595AJul 22, 1997

Milling method for liners extending into deviated wellbores

BAKER HUGHES INC14 citations72
US6805197B2Oct 19, 2004

Hydraulic wireline cutter

BAKER HUGHES INC11 citations71
US6260618B1Jul 17, 2001

Method for locating placement of a guide stock in a multilateral well

BAKER HUGHES INC3 citations61
US6899182B2May 31, 2005

Method of screen or pipe expansion downhole without addition of pipe at the surface

BAKER HUGHES INC0 citations46

DAVIS JOHN P

11 patents

GEN ELECTRIC

6 patents

STEWART PATRICK

2 patents

SKELTON DENNIS M

1 patent

LOTUS GROUP PLC

1 patent

LYNDE GERALD D

1 patent

LUCENT TECHNOLOGIES INC

1 patent

LOTUS GROUP LTD

1 patent

LOTUS CAR

1 patent

BRANDT NATHAN J

1 patent

DANIELS JEFFREY MICHAEL

1 patent