Inventor · disambiguated record
Jackson M. Kellner
Also filed as: ALTHER GEORGE A · KELLNER JACKSON M
12 granted patents·348 citations·filing 1975–1981
93Inventor score
Files withSMITH INTERNATIONAL12
Top patents by PatentIndex Score
12 records- 0192US4040494ADrill directorSMITH INTERNATIONAL·Filed 1975·Granted Aug 9, 1977·100 cites·19 claims
- 0287US4067596ADual flow passage drill stemSMITH INTERNATIONAL·Filed 1976·Granted Jan 10, 1978·72 cites·25 claims
- 0384US4040495ADrilling apparatusSMITH INTERNATIONAL·Filed 1975·Granted Aug 9, 1977·50 cites·25 claims
- 0479US4102552ATandem eccentric roller stabilizer for earth boring apparatusSMITH INTERNATIONAL·Filed 1976·Granted Jul 25, 1978·26 cites·32 claims
- 0571US4211291ADrill fluid powered hydraulic systemSMITH INTERNATIONAL·Filed 1978·Granted Jul 8, 1980·25 cites·8 claims
- 0667US3997008ADrill directorSMITH INTERNATIONAL·Filed 1975·Granted Dec 14, 1976·28 cites·23 claims
- 0753US4244433ASafety mechanism for a raise drillSMITH INTERNATIONAL·Filed 1978·Granted Jan 13, 1981·10 cites·1 claims
- 0848US4082373ATandem roller stabilizer for earth boring apparatusSMITH INTERNATIONAL·Filed 1976·Granted Apr 4, 1978·14 cites·7 claims
- 0936US4522234AMultiple conduit drill pipeSMITH INTERNATIONAL·Filed 1981·Granted Jun 11, 1985·8 cites·17 claims
- 1035US4142593ARaise drill inner yoke bridgeSMITH INTERNATIONAL·Filed 1977·Granted Mar 6, 1979·7 cites·4 claims
- 1135US4071285AStabilizerSMITH INTERNATIONAL·Filed 1976·Granted Jan 31, 1978·6 cites·10 claims
- 1228US4195701ARaise drill having water passages directed toward the roller cuttersSMITH INTERNATIONAL·Filed 1978·Granted Apr 1, 1980·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →