Inventor · disambiguated record
Roy Derrick Achilles
Also filed as: ACHILLES ROY D · ACHILLES ROY DERRICK
14 granted patents·3 pending applications·307 citations·filing 1999–2014
94Inventor score
Top patents by PatentIndex Score
17 records- 0197US7730977B2Cutting tool insert and drill bit so equippedBAKER HUGHES INC·Filed 2005·Granted Jun 8, 2010·50 cites·36 claims
- 0296US8172012B2Cutting tool insert and drill bit so equippedACHILLES ROY DERRICK·Filed 2010·Granted May 8, 2012·29 cites·24 claims
- 0395US8469121B2Polycrystalline diamond abrasive elementsLANCASTER BRETT·Filed 2011·Granted Jun 25, 2013·27 cites·26 claims
- 0492US8240405B2Polycrystalline diamond abrasive elementsLANCASTER BRETT·Filed 2011·Granted Aug 14, 2012·11 cites·13 claims
- 0587US7575805B2Polycrystalline diamond abrasive elementsACHILLES ROY DERRICK·Filed 2004·Granted Aug 18, 2009·51 cites·18 claims
- 0683US8020642B2Polycrystalline diamond abrasive elementsLANCASTER BRETT·Filed 2004·Granted Sep 20, 2011·21 cites·26 claims
- 0783US7074247B2Method of making a composite abrasive compactTANK KLAUS·Filed 2001·Granted Jul 11, 2006·38 cites·16 claims
- 0883USD502952SSubstrate for manufacturing cutting elementsFiled 2003·Granted Mar 15, 2005·30 cites·1 claims
- 0982US8016054B2Polycrystalline diamond abrasive elementsLANCASTER BRETT·Filed 2004·Granted Sep 13, 2011·20 cites·11 claims
- 1072USRE47605EPolycrystalline diamond elements, cutting elements, and related methodsBAKER HUGHES INC·Filed 2014·Granted Sep 17, 2019·0 cites·36 claims
- 1172US8206474B2Abrasive compactsTANK KLAUS·Filed 2007·Granted Jun 26, 2012·4 cites·6 claims
- 1255US7594553B2Composite tool insertTANK KLAUS·Filed 2003·Granted Sep 29, 2009·17 cites·4 claims
- 1335US2006144621A1Tool insertTANK KLAUS·Filed 2003·Application pending·0 cites
- 1434US2007017710A1Secondary cutting element for drill bitACHILLES ROY D·Filed 2004·Application pending·0 cites
- 1534US2006260850A1Tool insertROBERTS BRONWYN A·Filed 2004·Application pending·0 cites
- 1633US6733378B1Abrasive bodyFiled 1999·Granted May 11, 2004·6 cites·11 claims
- 1731US6527633B1Abrasive bodyFiled 1999·Granted Mar 4, 2003·3 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →