Inventor · disambiguated record
Jeff Jepson
Also filed as: JEPSON JEFF
52 granted patents·9 pending applications·2,285 citations·filing 2005–2013
99Inventor score
Top patents by PatentIndex Score
61 records- 0199US8646848B2Resilient connection between a pick shank and blockHALL DAVID R·Filed 2011·Granted Feb 11, 2014·47 cites·16 claims
- 0299US7396086B1Press-fit pickHALL DAVID R·Filed 2007·Granted Jul 8, 2008·110 cites·19 claims
- 0398US7992945B2Hollow pick shankSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Aug 9, 2011·56 cites·20 claims
- 0498US7475948B2Pick with a bearingHALL DAVID R·Filed 2007·Granted Jan 13, 2009·63 cites·15 claims
- 0598US7469756B2Tool with a large volume of a superhard materialHALL DAVID R·Filed 2007·Granted Dec 30, 2008·60 cites·18 claims
- 0698US7464993B2Attack toolHALL DAVID R·Filed 2006·Granted Dec 16, 2008·69 cites·18 claims
- 0798US7445294B2Attack toolHALL DAVID R·Filed 2006·Granted Nov 4, 2008·70 cites·20 claims
- 0898US7413258B2Hollow pick shankHALL DAVID R·Filed 2007·Granted Aug 19, 2008·66 cites·18 claims
- 0998US7384105B2Attack toolHALL DAVID R·Filed 2006·Granted Jun 10, 2008·84 cites·19 claims
- 1098US7353893B1Tool with a large volume of a superhard materialHALL DAVID R·Filed 2007·Granted Apr 8, 2008·75 cites·19 claims
- 1198US7338135B1Holder for a degradation assemblyHALL DAVID R·Filed 2006·Granted Mar 4, 2008·61 cites·15 claims
- 1298US7320505B1Attack toolHALL DAVID R·Filed 2006·Granted Jan 22, 2008·87 cites·20 claims
- 1397US8500209B2Manually rotatable toolHALL DAVID R·Filed 2009·Granted Aug 6, 2013·43 cites·13 claims
- 1497US8201892B2Holder assemblyHALL DAVID R·Filed 2007·Granted Jun 19, 2012·54 cites·22 claims
- 1597US8136887B2Non-rotating pick with a pressed in carbide segmentHALL DAVID R·Filed 2007·Granted Mar 20, 2012·57 cites·17 claims
- 1697US8109349B2Thick pointed superhard materialHALL DAVID R·Filed 2007·Granted Feb 7, 2012·63 cites·21 claims
- 1797US7992944B2Manually rotatable toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Aug 9, 2011·60 cites·19 claims
- 1897US7832808B2Tool holder sleeveHALL DAVID R·Filed 2007·Granted Nov 16, 2010·57 cites·18 claims
- 1997US7600823B2Pick assemblyHALL DAVID R·Filed 2007·Granted Oct 13, 2009·57 cites·25 claims
- 2097US7594703B2Pick with a reentrantHALL DAVID R·Filed 2007·Granted Sep 29, 2009·54 cites·11 claims
- 2197US7568770B2Superhard composite material bonded to a steel bodyHALL DAVID R·Filed 2007·Granted Aug 4, 2009·62 cites·18 claims
- 2297US7469971B2Lubricated pickHALL DAVID R·Filed 2007·Granted Dec 30, 2008·49 cites·20 claims
- 2397US7451944B2Replaceable segmented wear linerHALL DAVID R·Filed 2007·Granted Nov 18, 2008·34 cites·17 claims
- 2497US7413256B2Washer for a degradation assemblyHALL DAVID R·Filed 2006·Granted Aug 19, 2008·61 cites·18 claims
- 2597US7401863B1Press-fit pickHALL DAVID R·Filed 2007·Granted Jul 22, 2008·54 cites·19 claims
- 2697US7347292B1Braze material for an attack toolHALL DAVID R·Filed 2007·Granted Mar 25, 2008·62 cites·18 claims
- 2796US8292372B2Retention for holder shankHALL DAVID R·Filed 2007·Granted Oct 23, 2012·51 cites·13 claims
- 2896US8118371B2Resilient pick shankHALL DAVID R·Filed 2009·Granted Feb 21, 2012·47 cites·20 claims
- 2996US7419224B2Sleeve in a degradation assemblyHALL DAVID R·Filed 2006·Granted Sep 2, 2008·54 cites·17 claims
- 3096US7410221B2Retainer sleeve in a degradation assemblyHALL DAVID R·Filed 2006·Granted Aug 12, 2008·52 cites·16 claims
- 3195US8007051B2Shank assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Aug 30, 2011·47 cites·23 claims
- 3295US7523794B2Wear resistant assemblyHALL DAVID R·Filed 2006·Granted Apr 28, 2009·62 cites·18 claims
- 3394US7637574B2Pick assemblyHALL DAVID R·Filed 2007·Granted Dec 29, 2009·48 cites·15 claims
- 3494US7469972B2Wear resistant toolHALL DAVID R·Filed 2006·Granted Dec 30, 2008·63 cites·15 claims
- 3594USD581952SPickHALL DAVID R·Filed 2007·Granted Dec 2, 2008·59 cites·1 claims
- 3694USD566137SPick bolsterHALL DAVID R·Filed 2007·Granted Apr 8, 2008·54 cites·1 claims
- 3792US8028774B2Thick pointed superhard materialSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Oct 4, 2011·28 cites·17 claims
- 3892US7231766B2High pressure intensifying piston valveHALL DAVID R·Filed 2005·Granted Jun 19, 2007·20 cites·16 claims
- 3991US7976239B2End of a moldboard positioned proximate a milling drumHALL DAVID R·Filed 2010·Granted Jul 12, 2011·19 cites·15 claims
- 4087US8534767B2Manually rotatable toolHALL DAVID R·Filed 2011·Granted Sep 17, 2013·7 cites·15 claims
- 4184US7690138B2Rolling assembly mounted on a trencherHALL DAVID R·Filed 2007·Granted Apr 6, 2010·15 cites·16 claims
- 4283US8256847B2Rotational milling chamberHALL DAVID R·Filed 2010·Granted Sep 4, 2012·7 cites·16 claims
- 4381US8007050B2Degradation assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Aug 30, 2011·11 cites·30 claims
- 4479US8770668B2System and method for exchanging a milling drum assemblyHALL DAVID R·Filed 2010·Granted Jul 8, 2014·8 cites·19 claims
- 4568US8454096B2High-impact resistant toolHALL DAVID R·Filed 2008·Granted Jun 4, 2013·3 cites·20 claims
- 4667US8998346B2Attack tool with an interruptionHALL DAVID R·Filed 2013·Granted Apr 7, 2015·3 cites·13 claims
- 4767US7976238B2End of a moldboard positioned proximate a milling drumHALL DAVID R·Filed 2010·Granted Jul 12, 2011·4 cites·20 claims
- 4865US7950746B2Attack tool for degrading materialsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted May 31, 2011·4 cites·16 claims
- 4962US8449040B2Shank for an attack toolHALL DAVID R·Filed 2007·Granted May 28, 2013·2 cites·11 claims
- 5060US8500210B2Resilient pick shankHALL DAVID R·Filed 2009·Granted Aug 6, 2013·1 cites·8 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →