Inventor
DAHLGREN SCOTT
US116 patents
⚠️ This page may combine multiple inventors who share the name “DAHLGREN SCOTT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALL DAVID R
30 patentsUS8109349B2Feb 7, 2012
Thick pointed superhard material
HALL DAVID R63 citations98
US7628233B1Dec 8, 2009
Carbide bolster
HALL DAVID R55 citations98
US7600823B2Oct 13, 2009
Pick assembly
HALL DAVID R57 citations98
USD581952SDec 2, 2008
Pick
HALL DAVID R59 citations98
US7413258B2Aug 19, 2008
Hollow pick shank
HALL DAVID R66 citations98
US7404725B2Jul 29, 2008
Wiper for tool string direct electrical connection
HALL DAVID R61 citations98
US8061784B2Nov 22, 2011
Retention system
HALL DAVID R45 citations97
US7637574B2Dec 29, 2009
Pick assembly
HALL DAVID R48 citations96
US7635168B2Dec 22, 2009
Degradation assembly shield
HALL DAVID R49 citations96
US7537051B1May 26, 2009
Downhole power generation assembly
HALL DAVID R45 citations96
US7360610B2Apr 22, 2008
Drill bit assembly for directional drilling
HALL DAVID R77 citations96
USD566137SApr 8, 2008
Pick bolster
HALL DAVID R54 citations96
US7190084B2Mar 13, 2007
Method and apparatus for generating electrical energy downhole
HALL DAVID R56 citations96
US8485609B2Jul 16, 2013
Impact tool
HALL DAVID R39 citations94
US8414085B2Apr 9, 2013
Shank assembly with a tensioned element
HALL DAVID R43 citations94
US7648210B2Jan 19, 2010
Pick with an interlocked bolster
HALL DAVID R51 citations94
US8297375B2Oct 30, 2012
Downhole turbine
HALL DAVID R27 citations93
US7669674B2Mar 2, 2010
Degradation assembly
HALL DAVID R19 citations93
US7649475B2Jan 19, 2010
Tool string direct electrical connection
HALL DAVID R25 citations93
US7641003B2Jan 5, 2010
Downhole hammer assembly
HALL DAVID R25 citations93
US7624824B2Dec 1, 2009
Downhole hammer assembly
HALL DAVID R19 citations93
US7537053B1May 26, 2009
Downhole electrical connection
HALL DAVID R21 citations93
US7513764B1Apr 7, 2009
High pressure press
HALL DAVID R17 citations93
US7467937B1Dec 23, 2008
Preloaded threads for a high-temperature high-pressure press
HALL DAVID R21 citations93
US7419018B2Sep 2, 2008
Cam assembly in a downhole component
HALL DAVID R30 citations93
US7419016B2Sep 2, 2008
Bi-center drill bit
HALL DAVID R44 citations93
US7392857B1Jul 1, 2008
Apparatus and method for vibrating a drill bit
HALL DAVID R40 citations93
US7186104B2Mar 6, 2007
Strain matched threads for a high pressure high temperature press apparatus
HALL DAVID R20 citations93
US7887142B2Feb 15, 2011
Sensors on a degradation machine
HALL DAVID R26 citations92
US7488194B2Feb 10, 2009
Downhole data and/or power transmission system
HALL DAVID R32 citations92
SCHLUMBERGER TECHNOLOGY CORP
9 patentsUS7992945B2Aug 9, 2011
Hollow pick shank
SCHLUMBERGER TECHNOLOGY CORP56 citations98
US7963617B2Jun 21, 2011
Degradation assembly
SCHLUMBERGER TECHNOLOGY CORP47 citations98
US8033615B2Oct 11, 2011
Retention system
SCHLUMBERGER TECHNOLOGY CORP46 citations97
US8029068B2Oct 4, 2011
Locking fixture for a degradation assembly
SCHLUMBERGER TECHNOLOGY CORP38 citations96
US7997661B2Aug 16, 2011
Tapered bore in a pick
SCHLUMBERGER TECHNOLOGY CORP47 citations94
US8028774B2Oct 4, 2011
Thick pointed superhard material
SCHLUMBERGER TECHNOLOGY CORP28 citations93
US8007051B2Aug 30, 2011
Shank assembly
SCHLUMBERGER TECHNOLOGY CORP47 citations93
US7730975B2Jun 8, 2010
Drill bit porting system
SCHLUMBERGER TECHNOLOGY CORP23 citations93
US7730972B2Jun 8, 2010
Downhole turbine
SCHLUMBERGER TECHNOLOGY CORP25 citations93
INTELLISERV INC
8 patentsUS7064676B2Jun 20, 2006
Downhole data transmission system
INTELLISERV INC152 citations99
US6929493B2Aug 16, 2005
Electrical contact for downhole drilling networks
INTELLISERV INC160 citations99
US6830467B2Dec 14, 2004
Electrical transmission line diametrical retainer
INTELLISERV INC183 citations99
US6821147B1Nov 23, 2004
Internal coaxial cable seal system
INTELLISERV INC150 citations99
US6968611B2Nov 29, 2005
Internal coaxial cable electrical connector for use in downhole tools
INTELLISERV INC97 citations98
US6945802B2Sep 20, 2005
Seal for coaxial cable in downhole tools
INTELLISERV INC144 citations98
US6913093B2Jul 5, 2005
Loaded transducer for downhole drilling components
INTELLISERV INC154 citations98
US7040003B2May 9, 2006
Inductive coupler for downhole components and method for making same
INTELLISERV INC53 citations96
NOVATEK ENGINEERING INC
3 patentsShowing the top 50 of 116 patents by PatentIndex Score.