Inventor · disambiguated record
Kirk R. Shirley
Also filed as: SHIRLEY KIRK R
5 granted patents·386 citations·filing 1976–1990
86Inventor score
Top patents by PatentIndex Score
5 records- 0192US4080115AProgressive cavity drive trainA Z INT TOOL CO·Filed 1976·Granted Mar 21, 1978·94 cites·4 claims
- 0290US4394881ADrill steering apparatusSHIRLEY KIRK R·Filed 1980·Granted Jul 26, 1983·121 cites·27 claims
- 0388US4083405AWell drilling method and apparatus thereforA Z INT TOOL CO·Filed 1977·Granted Apr 11, 1978·76 cites·9 claims
- 0478US4635736ADrill steering apparatusSHIRLEY KIRK R·Filed 1985·Granted Jan 13, 1987·63 cites·9 claims
- 0555US5038872ADrill steering apparatusSHIRLEY KIRK R·Filed 1990·Granted Aug 13, 1991·32 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →