Inventor · disambiguated record
Douglas Allan Curtis
Also filed as: CURTIS DOUGLAS A · CURTIS DOUGLAS ALLAN
4 granted patents·1 pending application·33 citations·filing 2004–2010
75Inventor score
Top patents by PatentIndex Score
5 records- 0184US8096043B2Method of assembling a pump motor and preloading bearings of the motorHARGRAVES DONALD EDWIN·Filed 2010·Granted Jan 17, 2012·15 cites·5 claims
- 0273US7401543B2Pump sealing apparatusHARGRAVES TECHNOLOGY CORP·Filed 2005·Granted Jul 22, 2008·6 cites·20 claims
- 0359US7762796B2Pump valve with controlled strokeHARGRAVES TECHNOLOGY CORP·Filed 2004·Granted Jul 27, 2010·8 cites·12 claims
- 0455US8393346B2Solenoid valve and method of assembly thereofCURTIS DOUGLAS ALLAN·Filed 2005·Granted Mar 12, 2013·4 cites·4 claims
- 0536US2006181168A1Pump motor with bearing preloadHARGRAVES DONALD E·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →