Inventor · disambiguated record
William D. Armbrust
Also filed as: ARMBRUST WILLIAM D
10 granted patents·286 citations·filing 1974–1992
91Inventor score
Files withKENNAMETAL INC10
Top patents by PatentIndex Score
10 records- 0195US4955264ATool assembly with a hydraulic chip-breaking fluid systemKENNAMETAL INC·Filed 1989·Granted Sep 11, 1990·80 cites·9 claims
- 0292US5340242AChip-breaking toolholder with adjustable orifice capKENNAMETAL INC·Filed 1992·Granted Aug 23, 1994·77 cites·13 claims
- 0384US4297058AIndexable cutting insertKENNAMETAL INC·Filed 1980·Granted Oct 27, 1981·39 cites·11 claims
- 0473US4604004ACutting tool assemblyKENNAMETAL INC·Filed 1985·Granted Aug 5, 1986·28 cites·26 claims
- 0568US5279194ABall lock assembly without a canisterKENNAMETAL INC·Filed 1992·Granted Jan 18, 1994·29 cites·15 claims
- 0651US3981477ADie segment for briquetting rollKENNAMETAL INC·Filed 1975·Granted Sep 21, 1976·9 cites·9 claims
- 0742US3930529AMethod and apparatus for removing tread from tiresKENNAMETAL INC·Filed 1974·Granted Jan 6, 1976·7 cites·13 claims
- 0839US5209146ABall lock apparatus for small diameter toolholdersKENNAMETAL INC·Filed 1991·Granted May 11, 1993·9 cites·24 claims
- 0937US3999632AVibration dampening bearing ring spacer meansKENNAMETAL INC·Filed 1975·Granted Dec 28, 1976·5 cites·13 claims
- 1031US4362445AFloating boring bar cartridgeKENNAMETAL INC·Filed 1980·Granted Dec 7, 1982·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →