Inventor · disambiguated record
Douglas Spence
Also filed as: SPENCE DOUGLAS
2 granted patents·3 pending applications·33 citations·filing 2008–2017
61Inventor score
Top patents by PatentIndex Score
5 records- 0190US7932492B2Electrospray deviceBUSEK CO INC·Filed 2009·Granted Apr 26, 2011·25 cites·21 claims
- 0266US8448419B2Electrospray sourceDEMMONS NATHANIEL·Filed 2008·Granted May 28, 2013·8 cites·23 claims
- 0354US2017369753A1Propellant isolation barrierBUSEK CO INC·Filed 2017·Application pending·0 cites
- 0444US2016168437A1Propellant isolation barrierBUSEK CO INC·Filed 2014·Application pending·0 cites
- 0537US2016333865A1Propellant isolation barrierBUSEK CO INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →