Inventor · disambiguated record
Douglas Matthews
Also filed as: MATTHEWS DOUGLAS · MATTHEWS DOUGLAS R · MATTHEWS DOUGLAS RYAN
5 granted patents·44 citations·filing 1993–2020
75Inventor score
Top patents by PatentIndex Score
5 records- 0171US8116674B2Professional development system and methodology for teachersMATTHEWS DOUGLAS·Filed 2006·Granted Feb 14, 2012·5 cites·7 claims
- 0270US10056852B2Controller for EC motor and method thereofCANARM LTD·Filed 2017·Granted Aug 21, 2018·2 cites·38 claims
- 0357US5364325ALeveraged weight compounding systemMATTHEWS DOUGLAS R·Filed 1993·Granted Nov 15, 1994·35 cites·16 claims
- 0456US9854785B2Sow feeding systemCANARM LTD·Filed 2014·Granted Jan 2, 2018·2 cites·14 claims
- 0547US11199437B2Utilization of fast-response pressure measurements to nonintrusively monitor blade vibration in axial compressorsPURDUE RESEARCH FOUNDATION·Filed 2020·Granted Dec 14, 2021·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →