Inventor · disambiguated record
David O'Brien
Also filed as: O'BRIEN DAVID · O'BRIEN DAVID M · O'BRIEN DAVID MICHAEL
7 granted patents·1 pending application·52 citations·filing 1989–2021
80Inventor score
Top patents by PatentIndex Score
8 records- 0170US11155979B2Loader attachments couplerDEERE & CO·Filed 2020·Granted Oct 26, 2021·0 cites·20 claims
- 0264US6991398B2Tool couplerDEERE & CO·Filed 2003·Granted Jan 31, 2006·16 cites·20 claims
- 0358US11299380B2Convertible carriageDEERE & CO·Filed 2020·Granted Apr 12, 2022·0 cites·20 claims
- 0456US10815634B2Loader attachments couplerDEERE & CO·Filed 2019·Granted Oct 27, 2020·0 cites·16 claims
- 0546US11807509B2Material handling apparatus for a utility vehicleDEERE & CO·Filed 2021·Granted Nov 7, 2023·0 cites·15 claims
- 0644US6957705B2Loader linkageDEERE & CO·Filed 2003·Granted Oct 25, 2005·6 cites·23 claims
- 0738US5080478AApparatus for testing dark adaptationOPTOMETRICS LIMITED·Filed 1989·Granted Jan 14, 1992·30 cites·20 claims
- 0836US2005047898A1Linkage support system for a work vehicleDEERE & CO·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →