Inventor · disambiguated record
David Engnell
Also filed as: ENGNELL DAVID · ROTTLER DONALD B
5 granted patents·47 citations·filing 1978–1987
78Inventor score
Files withROTTLER BORING BAR1ROTTLER DONALD B1ROTTLER MANUFACTURING CO1ROTTLER MANUFACTURING COMPANY1ROTTLER MANUFACTURING INC1
Top patents by PatentIndex Score
5 records- 0165US4189871AHoning machineROTTLER BORING BAR·Filed 1978·Granted Feb 26, 1980·12 cites·17 claims
- 0255US4792265AEngine boring and surfacing machineROTTLER MANUFACTURING COMPANY·Filed 1987·Granted Dec 20, 1988·18 cites·10 claims
- 0353US4789279ASystem and apparatus for reboring main bearingsROTTLER DONALD B·Filed 1987·Granted Dec 6, 1988·13 cites·10 claims
- 0425US4541620ASled for fixturing engine blocksROTTLER MANUFACTURING INC·Filed 1983·Granted Sep 17, 1985·3 cites·14 claims
- 0522US4550530AShort-stroking honing machineROTTLER MANUFACTURING CO·Filed 1983·Granted Nov 5, 1985·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →