Inventor · disambiguated record
Peter Raymond Hughes
Also filed as: HUGHES PETER R · HUGHES PETER RAYMOND
18 granted patents·5 pending applications·3,984 citations·filing 2001–2010
98Inventor score
Technology areasE21B
Files withREEDHYCALOG UK LTD7CAMCO INT UK LTD5GRIFFIN NIGEL D2CAMCO INTERNAT U K LTD1GRANT PRIDECO LP1
Top patents by PatentIndex Score
23 records- 0199US6861137B2High volume density polycrystalline diamond with working surfaces depleted of catalyzing materialREEDHYCALOG UK LTD·Filed 2003·Granted Mar 1, 2005·329 cites·28 claims
- 0299US6592985B2Polycrystalline diamond partially depleted of catalyzing materialCAMCO INT UK LTD·Filed 2001·Granted Jul 15, 2003·299 cites·17 claims
- 0399US6589640B2Polycrystalline diamond partially depleted of catalyzing materialFiled 2002·Granted Jul 8, 2003·284 cites·43 claims
- 0499US6562462B2High volume density polycrystalline diamond with working surfaces depleted of catalyzing materialCAMCO INT UK LTD·Filed 2001·Granted May 13, 2003·309 cites·25 claims
- 0599US6544308B2High volume density polycrystalline diamond with working surfaces depleted of catalyzing materialCAMCO INT UK LTD·Filed 2001·Granted Apr 8, 2003·408 cites·7 claims
- 0698US6878447B2Polycrystalline diamond partially depleted of catalyzing materialREEDHYCALOG UK LTD·Filed 2003·Granted Apr 12, 2005·208 cites·17 claims
- 0798US6861098B2Polycrystalline diamond partially depleted of catalyzing materialREEDHYCALOG UK LTD·Filed 2003·Granted Mar 1, 2005·197 cites·17 claims
- 0898US6797326B2Method of making polycrystalline diamond with working surfaces depleted of catalyzing materialREEDHYCALOG UK LTD·Filed 2002·Granted Sep 28, 2004·208 cites·7 claims
- 0998US6739214B2Polycrystalline diamond partially depleted of catalyzing materialREEDHYCALOG UK LTD·Filed 2002·Granted May 25, 2004·213 cites·5 claims
- 1098US6601662B2Polycrystalline diamond cutters with working surfaces having varied wear resistance while maintaining impact strengthGRANT PRIDECO LP·Filed 2001·Granted Aug 5, 2003·412 cites·50 claims
- 1198US6585064B2Polycrystalline diamond partially depleted of catalyzing materialFiled 2002·Granted Jul 1, 2003·249 cites·40 claims
- 1297US7568534B2Dual-edge working surfaces for polycrystalline diamond cutting elementsREEDHYCALOG UK LTD·Filed 2008·Granted Aug 4, 2009·79 cites·1 claims
- 1397US6749033B2Polycrystalline diamond partially depleted of catalyzing materialREEDHYOALOG UK LTD·Filed 2002·Granted Jun 15, 2004·253 cites·36 claims
- 1497US6435058B1Rotary drill bit design methodCAMCO INT UK LTD·Filed 2001·Granted Aug 20, 2002·181 cites·11 claims
- 1597US6410085B1Method of machining of polycrystalline diamondCAMCO INT UK LTD·Filed 2001·Granted Jun 25, 2002·158 cites·9 claims
- 1696US6481511B2Rotary drill bitCAMCO INTERNAT U K LTD·Filed 2001·Granted Nov 19, 2002·143 cites·14 claims
- 1777US8910730B2Cutting elementGRIFFIN NIGEL D·Filed 2010·Granted Dec 16, 2014·6 cites·23 claims
- 1875US6962214B2Rotary seal for directional drilling toolsSCHLUMBERGER WCP LTD·Filed 2001·Granted Nov 8, 2005·48 cites·17 claims
- 1944US2005115744A1High Volume Density Polycrystalline Diamond With Working Surfaces Depleted Of Catalyzing MaterialFiled 2005·Application pending·0 cites
- 2044US2008142267A1Multi-Edge Working Surfaces for Polycrystalline Diamond Cutting ElementsREEDHYCALOG UK LTD·Filed 2008·Application pending·0 cites
- 2144US2005129950A1Polycrystalline Diamond Partially Depleted of Catalyzing MaterialFiled 2005·Application pending·0 cites
- 2241US2006086540A1Dual-Edge Working Surfaces for Polycrystalline Diamond Cutting ElementsGRIFFIN NIGEL D·Filed 2005·Application pending·0 cites
- 2335US2003183426A1Polycrystalline Material Element with Improved Wear Resistance And Methods of Manufacture ThereofFiled 2003·Application pending·0 cites
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