Inventor · disambiguated record
John E. Tschirky
Also filed as: SULLIVAN WAYNE M · TSCHIRKY JOHN · TSCHIRKY JOHN E
18 granted patents·773 citations·filing 1973–1981
96Inventor score
Top patents by PatentIndex Score
18 records- 0195US4133396ADrilling and casing landing apparatus and methodSMITH INTERNATIONAL·Filed 1977·Granted Jan 9, 1979·120 cites·27 claims
- 0294US3975121AWafer elements for progressing cavity statorsSMITH INTERNATIONAL·Filed 1974·Granted Aug 17, 1976·62 cites·19 claims
- 0391US3999901AProgressive cavity transducerSMITH INTERNATIONAL·Filed 1973·Granted Dec 28, 1976·51 cites·20 claims
- 0490US4117895AApparatus and method for enlarging underground arcuate bore holesSMITH INTERNATIONAL·Filed 1977·Granted Oct 3, 1978·98 cites·37 claims
- 0590US4029368ARadial bearingsSMITH INTERNATIONAL·Filed 1975·Granted Jun 14, 1977·76 cites·20 claims
- 0690US3975120AWafer elements for progressing cavity statorsSMITH INTERNATIONAL·Filed 1974·Granted Aug 17, 1976·45 cites·24 claims
- 0781US3989114ACirculation sub for in-hole hydraulic motorsSMITH INTERNATIONAL·Filed 1975·Granted Nov 2, 1976·47 cites·7 claims
- 0881US3982859AFloating flow restrictors for fluid motorsSMITH INTERNATIONAL CORP INC·Filed 1975·Granted Sep 28, 1976·32 cites·7 claims
- 0977US3982858ASegmented stator for progressive cavity transducerSMITH INTERNATIONAL CORP INC·Filed 1975·Granted Sep 28, 1976·41 cites·6 claims
- 1077US3936247AFloating flow restrictors for fluid motorsSMITH INTERNATIONAL·Filed 1975·Granted Feb 3, 1976·24 cites·19 claims
- 1174US4329127ASealed bearing means for in hole motorsSMITH INTERNATIONAL·Filed 1980·Granted May 11, 1982·43 cites·29 claims
- 1269US4386666AIn-hole motor drill with locking bit clutchSMITH INTERNATIONAL·Filed 1981·Granted Jun 7, 1983·36 cites·24 claims
- 1364US4098561ASealed bearingsSMITH INTERNATIONAL·Filed 1975·Granted Jul 4, 1978·17 cites·7 claims
- 1463US4220380ABearing assemblySMITH INTERNATIONAL·Filed 1979·Granted Sep 2, 1980·18 cites·24 claims
- 1561US4133397ADrilling with multiple in-hole motorsSMITH INTERNATIONAL·Filed 1977·Granted Jan 9, 1979·22 cites·17 claims
- 1652US3982797ASpring-loaded bearings for in-hole motorsSMITH INTERNATIONAL CORP INC·Filed 1975·Granted Sep 28, 1976·17 cites·18 claims
- 1744US4562853ADownhole fire controlSMITH INTERNATIONAL·Filed 1981·Granted Jan 7, 1986·14 cites·1 claims
- 1841US4213508ADownhole fire controlSMITH INTERNATIONAL·Filed 1977·Granted Jul 22, 1980·10 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →