Inventor · disambiguated record
David O. Richards
Also filed as: RICHARDS DAVID O
4 granted patents·192 citations·filing 1976–2020
79Inventor score
Top patents by PatentIndex Score
4 records- 0189US4073997AComposite panelOWENS CORNING FIBERGLASS CORP·Filed 1976·Granted Feb 14, 1978·138 cites·13 claims
- 0287US11174809B1Controlling an internal combustion engine systemWOODWARD INC·Filed 2020·Granted Nov 16, 2021·2 cites·22 claims
- 0373US4358371ABackwashable filterBRITISH SIDAC LTD·Filed 1981·Granted Nov 9, 1982·37 cites·15 claims
- 0448US4358370ABackwashable filterBRITISH SIDAC LTD·Filed 1981·Granted Nov 9, 1982·15 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →