Inventor · disambiguated record
Elis Vandenberg
Also filed as: VANDENBERG ELIS
9 granted patents·719 citations·filing 1995–2002
92Inventor score
Top patents by PatentIndex Score
9 records- 0197US6244361B1Steerable rotary drilling device and directional drilling methodHALLIBURTON ENERGY SERV INC·Filed 1999·Granted Jun 12, 2001·300 cites·70 claims
- 0284US5615740AInternal pressure sleeve for use with easily drillable exit portsBAROID TECHNOLOGY INC·Filed 1995·Granted Apr 1, 1997·110 cites·16 claims
- 0382US6415878B1Steerable rotary drilling deviceHALLIBURTON ENERGY SERV INC·Filed 2001·Granted Jul 9, 2002·51 cites·8 claims
- 0482US5579829AKeyless latch for orienting and anchoring downhole toolsBAROID TECHNOLOGY INC·Filed 1995·Granted Dec 3, 1996·104 cites·11 claims
- 0573US6340063B1Steerable rotary directional drilling methodHALLIBURTON ENERGY SERV INC·Filed 2000·Granted Jan 22, 2002·35 cites·26 claims
- 0667US6202746B1Fail-safe coupling for a latch assemblyDRESSER IND·Filed 1998·Granted Mar 20, 2001·53 cites·26 claims
- 0759US5778980AMulticut casing window mill and method for forming a casing windowBAROID TECHNOLOGY INC·Filed 1996·Granted Jul 14, 1998·40 cites·35 claims
- 0855US6640909B2Steerable rotary drilling deviceHALLIBURTON ENERGY SERV INC·Filed 2002·Granted Nov 4, 2003·13 cites·43 claims
- 0937US5762143ASystem and method for placement and retrieval of a subsurface diverting tool used in drilling and completing wellsBAROID TECHNOLOGY INC·Filed 1996·Granted Jun 9, 1998·13 cites·17 claims
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