Inventor · disambiguated record
Steven D. Shirk
Also filed as: SHIRK STEVEN D
6 granted patents·303 citations·filing 1989–1993
86Inventor score
Files withKENNAMETAL INC6
Top patents by PatentIndex Score
6 records- 0197US5007685ATrenching tool assembly with dual indexing capabilityKENNAMETAL INC·Filed 1989·Granted Apr 16, 1991·173 cites·23 claims
- 0293US4998574ACutting bit and block mountKENNAMETAL INC·Filed 1990·Granted Mar 12, 1991·67 cites·37 claims
- 0351US5184925AInsert and insert support barKENNAMETAL INC·Filed 1992·Granted Feb 9, 1993·26 cites·6 claims
- 0448US4917196AExcavating tooth for an earth augerKENNAMETAL INC·Filed 1989·Granted Apr 17, 1990·18 cites·15 claims
- 0543US5226489AInsert spacer assemblyKENNAMETAL INC·Filed 1992·Granted Jul 13, 1993·16 cites·14 claims
- 0629US5310015AInsert spacer assemblyKENNAMETAL INC·Filed 1993·Granted May 10, 1994·3 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Steven D. Shirk files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →