Inventor · disambiguated record
George A. Espiritu
Also filed as: ESPIRITU GEORGE A · ESPIRITU GEORGE ARMANDO
9 granted patents·114 citations·filing 1996–2007
88Inventor score
Technology areasE21B
Top patents by PatentIndex Score
9 records- 0188US7757787B2Drilling and hole enlargement deviceSMITH INTERNATIONAL·Filed 2007·Granted Jul 20, 2010·34 cites·20 claims
- 0261USD405811SSeven blade drill bitDRESSER IND·Filed 1998·Granted Feb 16, 1999·11 cites·1 claims
- 0359USD404044SSix blade drill bitDRESSER IND·Filed 1997·Granted Jan 12, 1999·10 cites·1 claims
- 0457US6131677ASteel-bodied bitDRESSER IND·Filed 1999·Granted Oct 17, 2000·31 cites·7 claims
- 0542US5924502ASteel-bodied bitDRESSER IND·Filed 1996·Granted Jul 20, 1999·16 cites·10 claims
- 0641USD403335SFour blade drill bitDRESSER IND·Filed 1997·Granted Dec 29, 1998·4 cites·1 claims
- 0738USD403336SFive blade drill bitDRESSER IND·Filed 1997·Granted Dec 29, 1998·3 cites·1 claims
- 0838USD403003SNine blade drill bitDRESSER IND·Filed 1998·Granted Dec 22, 1998·3 cites·1 claims
- 0935USD404407SEight blade drill bitDRESSER IND·Filed 1998·Granted Jan 19, 1999·2 cites·1 claims
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