Assignee
GURTLER HEBERT & CO INC
3 granted patents·16 citations·filing 1975–1984
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0138US4027734ADeviated conductor driving systemGURTLER HEBERT & CO INC·Filed 1975·Granted Jun 7, 1977·14 cites·10 claims
- 0222US4497372AAnti-twist control system for deviated conductor driving systemsGURTLER HEBERT & CO INC·Filed 1983·Granted Feb 5, 1985·2 cites·5 claims
- 0321US4570717AAnti-twist control system for deviated conductor driving systemsGURTLER HEBERT & CO INC·Filed 1984·Granted Feb 18, 1986·0 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →