Inventor · disambiguated record
Charles W. Helm
Also filed as: HELM CHARLES · HELM CHARLES W
5 granted patents·238 citations·filing 1979–2006
84Inventor score
Top patents by PatentIndex Score
5 records- 0192US4575681AInsulating and electrode structure for a drill stringTELECO OILFIELD SERVICES INC·Filed 1985·Granted Mar 11, 1986·124 cites·8 claims
- 0276US4877092ANear bit offset stabilizerTELECO OILFIELD SERVICES INC·Filed 1988·Granted Oct 31, 1989·55 cites·43 claims
- 0368US6317555B1Creep-resistant optical fiber attachmentCIDRA CORP·Filed 1998·Granted Nov 13, 2001·27 cites·51 claims
- 0461US4319240AElectrical connector for borehole telemetry apparatusTELECO OILFIELD SERVICES INC·Filed 1979·Granted Mar 9, 1982·24 cites·15 claims
- 0538USD557927SCollapsible table attached to storage shelvesHELM DOROTHY M·Filed 2006·Granted Dec 25, 2007·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →