Inventor · disambiguated record
Frank Zankl
Also filed as: ZANKL FRANK
13 granted patents·309 citations·filing 1975–1981
93Inventor score
Files withKEARNEY & TRECKER CORP13
Top patents by PatentIndex Score
13 records- 0194US4087901ATool change mechanism for machine toolsKEARNEY & TRECKER CORP·Filed 1976·Granted May 9, 1978·60 cites·13 claims
- 0291US4404727AMachine tool operable as both a chucking type lathe and as a machining centerKEARNEY & TRECKER CORP·Filed 1981·Granted Sep 20, 1983·61 cites·9 claims
- 0387US4358888AAutomatic tool changer with internal tool storage magazineKEARNEY & TRECKER CORP·Filed 1980·Granted Nov 16, 1982·55 cites·15 claims
- 0486US4091294AA.C. motor control apparatus and methodKEARNEY & TRECKER CORP·Filed 1976·Granted May 23, 1978·32 cites·8 claims
- 0577US4028599AMethod of controlling an A.C. motorKEARNEY & TRECKER CORP·Filed 1975·Granted Jun 7, 1977·21 cites·2 claims
- 0676US4133423AShuttle system for machine toolKEARNEY & TRECKER CORP·Filed 1977·Granted Jan 9, 1979·25 cites·8 claims
- 0766US4211512ARotary table with ballscrew driveKEARNEY & TRECKER CORP·Filed 1978·Granted Jul 8, 1980·13 cites·6 claims
- 0858USD244445SMachine toolKEARNEY & TRECKER CORP·Filed 1976·Granted May 24, 1977·6 cites·1 claims
- 0957US4261675AMachine tool with pulsating cutting forceKEARNEY & TRECKER CORP·Filed 1978·Granted Apr 14, 1981·12 cites·2 claims
- 1057US4164290AAutomatic tool changer for machine toolsKEARNEY & TRECKER CORP·Filed 1977·Granted Aug 14, 1979·13 cites·13 claims
- 1155USD257042SMachine toolKEARNEY & TRECKER CORP·Filed 1976·Granted Sep 23, 1980·5 cites·1 claims
- 1234US3986087AA.C. motor control apparatus and methodKEARNEY & TRECKER CORP·Filed 1975·Granted Oct 12, 1976·3 cites·15 claims
- 1334US3986088AA. C. motor control apparatus and methodKEARNEY & TRECKER CORP·Filed 1975·Granted Oct 12, 1976·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →