Inventor · disambiguated record
Daniel E. Ruff
Also filed as: RUFF DANIEL E · RUFF DANIEL EDWARD
15 granted patents·714 citations·filing 1998–2016
95Inventor score
Top patents by PatentIndex Score
15 records- 0198US7096978B2Drill bits with reduced exposure of cuttersBAKER HUGHES INC·Filed 2005·Granted Aug 29, 2006·109 cites·20 claims
- 0296US6460631B2Drill bits with reduced exposure of cuttersBAKER HUGHES INC·Filed 2000·Granted Oct 8, 2002·161 cites·83 claims
- 0395US6779613B2Drill bits with controlled exposure of cuttersBAKER HUGHES INC·Filed 2002·Granted Aug 24, 2004·118 cites·41 claims
- 0491US8172008B2Drilling apparatus with reduced exposure of cutters and methods of drillingDYKSTRA MARK W·Filed 2011·Granted May 8, 2012·11 cites·21 claims
- 0591US6571886B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2000·Granted Jun 3, 2003·98 cites·28 claims
- 0690US6935441B2Drill bits with reduced exposure of cuttersBAKER HUGHES INC·Filed 2004·Granted Aug 30, 2005·65 cites·24 claims
- 0787US7066280B2Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2003·Granted Jun 27, 2006·73 cites·55 claims
- 0885US7814990B2Drilling apparatus with reduced exposure of cutters and methods of drillingBAKER HUGHES INC·Filed 2006·Granted Oct 19, 2010·16 cites·46 claims
- 0982US10508323B2Method and apparatus for securing bodies using shape memory materialsBAKER HUGHES A GE CO LLC·Filed 2016·Granted Dec 17, 2019·1 cites·22 claims
- 1082US8066084B2Drilling apparatus with reduced exposure of cutters and methods of drillingDYKSTRA MARK W·Filed 2010·Granted Nov 29, 2011·5 cites·24 claims
- 1179US7472764B2Rotary drill bit shank, rotary drill bits so equipped, and methods of manufactureBAKER HUGHES INC·Filed 2005·Granted Jan 6, 2009·15 cites·29 claims
- 1277US7861806B2Shank structure for rotary drill bitsBAKER HUGHES INC·Filed 2009·Granted Jan 4, 2011·3 cites·12 claims
- 1376US7594454B2Methods of fabricating rotary drill bitsBAKER HUGHES INC·Filed 2007·Granted Sep 29, 2009·3 cites·15 claims
- 1452US7600589B2Rotary drill bitsBAKER HUGHES INC·Filed 2007·Granted Oct 13, 2009·2 cites·20 claims
- 1552US6098728ARock bit nozzle arrangementBAKER HUGHES INC·Filed 1998·Granted Aug 8, 2000·34 cites·30 claims
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