Inventor
JEPSON JEFF
US52 patents
⚠️ This page may combine multiple inventors who share the name “JEPSON JEFF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALL DAVID R
44 patentsUS8136887B2Mar 20, 2012
Non-rotating pick with a pressed in carbide segment
HALL DAVID R57 citations98
US8118371B2Feb 21, 2012
Resilient pick shank
HALL DAVID R47 citations98
US8109349B2Feb 7, 2012
Thick pointed superhard material
HALL DAVID R63 citations98
US7832808B2Nov 16, 2010
Tool holder sleeve
HALL DAVID R57 citations98
US7600823B2Oct 13, 2009
Pick assembly
HALL DAVID R57 citations98
US7594703B2Sep 29, 2009
Pick with a reentrant
HALL DAVID R54 citations98
US7568770B2Aug 4, 2009
Superhard composite material bonded to a steel body
HALL DAVID R62 citations98
US7523794B2Apr 28, 2009
Wear resistant assembly
HALL DAVID R62 citations98
US7475948B2Jan 13, 2009
Pick with a bearing
HALL DAVID R63 citations98
US7469756B2Dec 30, 2008
Tool with a large volume of a superhard material
HALL DAVID R60 citations98
US7464993B2Dec 16, 2008
Attack tool
HALL DAVID R69 citations98
USD581952SDec 2, 2008
Pick
HALL DAVID R59 citations98
US7445294B2Nov 4, 2008
Attack tool
HALL DAVID R70 citations98
US7413256B2Aug 19, 2008
Washer for a degradation assembly
HALL DAVID R61 citations98
US7413258B2Aug 19, 2008
Hollow pick shank
HALL DAVID R66 citations98
US7396086B1Jul 8, 2008
Press-fit pick
HALL DAVID R110 citations98
US7384105B2Jun 10, 2008
Attack tool
HALL DAVID R84 citations98
US7353893B1Apr 8, 2008
Tool with a large volume of a superhard material
HALL DAVID R75 citations98
US7347292B1Mar 25, 2008
Braze material for an attack tool
HALL DAVID R62 citations98
US7338135B1Mar 4, 2008
Holder for a degradation assembly
HALL DAVID R61 citations98
US7320505B1Jan 22, 2008
Attack tool
HALL DAVID R87 citations98
US7637574B2Dec 29, 2009
Pick assembly
HALL DAVID R48 citations96
US7469971B2Dec 30, 2008
Lubricated pick
HALL DAVID R49 citations96
US7419224B2Sep 2, 2008
Sleeve in a degradation assembly
HALL DAVID R54 citations96
US7410221B2Aug 12, 2008
Retainer sleeve in a degradation assembly
HALL DAVID R52 citations96
US7401863B1Jul 22, 2008
Press-fit pick
HALL DAVID R54 citations96
USD566137SApr 8, 2008
Pick bolster
HALL DAVID R54 citations96
US8646848B2Feb 11, 2014
Resilient connection between a pick shank and block
HALL DAVID R47 citations94
US8500209B2Aug 6, 2013
Manually rotatable tool
HALL DAVID R43 citations94
US8292372B2Oct 23, 2012
Retention for holder shank
HALL DAVID R51 citations94
US8201892B2Jun 19, 2012
Holder assembly
HALL DAVID R54 citations94
US7469972B2Dec 30, 2008
Wear resistant tool
HALL DAVID R63 citations94
US7451944B2Nov 18, 2008
Replaceable segmented wear liner
HALL DAVID R34 citations93
US7231766B2Jun 19, 2007
High pressure intensifying piston valve
HALL DAVID R20 citations93
US7976239B2Jul 12, 2011
End of a moldboard positioned proximate a milling drum
HALL DAVID R19 citations91
US8534767B2Sep 17, 2013
Manually rotatable tool
HALL DAVID R7 citations84
US7690138B2Apr 6, 2010
Rolling assembly mounted on a trencher
HALL DAVID R15 citations84
US8770668B2Jul 8, 2014
System and method for exchanging a milling drum assembly
HALL DAVID R8 citations82
US8256847B2Sep 4, 2012
Rotational milling chamber
HALL DAVID R7 citations82
US8998346B2Apr 7, 2015
Attack tool with an interruption
HALL DAVID R3 citations63
US8454096B2Jun 4, 2013
High-impact resistant tool
HALL DAVID R3 citations63
US8449040B2May 28, 2013
Shank for an attack tool
HALL DAVID R2 citations63
US7976238B2Jul 12, 2011
End of a moldboard positioned proximate a milling drum
HALL DAVID R4 citations61
US9540886B2Jan 10, 2017
Thick pointed superhard material
HALL DAVID R0 citations52
SCHLUMBERGER TECHNOLOGY CORP
6 patentsUS7992944B2Aug 9, 2011
Manually rotatable tool
SCHLUMBERGER TECHNOLOGY CORP60 citations98
US7992945B2Aug 9, 2011
Hollow pick shank
SCHLUMBERGER TECHNOLOGY CORP56 citations98
US8028774B2Oct 4, 2011
Thick pointed superhard material
SCHLUMBERGER TECHNOLOGY CORP28 citations93
US8007051B2Aug 30, 2011
Shank assembly
SCHLUMBERGER TECHNOLOGY CORP47 citations93
US8007050B2Aug 30, 2011
Degradation assembly
SCHLUMBERGER TECHNOLOGY CORP11 citations84
US7950746B2May 31, 2011
Attack tool for degrading materials
SCHLUMBERGER TECHNOLOGY CORP4 citations62
Showing the top 50 of 52 patents by PatentIndex Score.