Inventor · disambiguated record
Glenn R. Zadrapa
Also filed as: ZADRAPA GLENN R
8 granted patents·1 pending application·718 citations·filing 1998–2003
92Inventor score
Technology areasE21B
Files withBAKER HUGHES INC9
Top patents by PatentIndex Score
9 records- 0197US6540033B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Apr 1, 2003·167 cites·44 claims
- 0295US6626251B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Sep 30, 2003·115 cites·40 claims
- 0392US6543312B2Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Apr 8, 2003·83 cites·5 claims
- 0492US6230822B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 1998·Granted May 15, 2001·111 cites·38 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
- 0687US7066280B2Method 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
- 0786US6419032B1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2001·Granted Jul 16, 2002·51 cites·30 claims
- 0841US6227314B1Inclined leg earth-boring bitBAKER HUGHES INC·Filed 1999·Granted May 8, 2001·20 cites·19 claims
- 0938US2004222018A1Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operationsBAKER HUGHES INC·Filed 2003·Application pending·0 cites
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