Inventor · disambiguated record
David E. Hughes
Also filed as: HUGHES DAVID E · YOCUM WILLIAM C
11 granted patents·4 pending applications·450 citations·filing 1977–2007
92Inventor score
Top patents by PatentIndex Score
15 records- 0194US5452738ACrashworthy solenoid actuated valve for CNG powered vehicleAMCAST IND CORP·Filed 1994·Granted Sep 26, 1995·81 cites·16 claims
- 0294US4328020AMelting glass with reduced NOx emissionsPPG INDUSTRIES INC·Filed 1980·Granted May 4, 1982·55 cites·10 claims
- 0391US5562117ACrashworthy solenoid actuated valve for CNG powered vehicleAMCAST IND CORP·Filed 1995·Granted Oct 8, 1996·63 cites·5 claims
- 0487US4201210AVeterinary ocular ring device for sustained drug releaseUS AGRICULTURE·Filed 1977·Granted May 6, 1980·88 cites·16 claims
- 0583US4706929APneumatically operated valve with manual override and lockoutFLAGG & CO INC STANLEY G·Filed 1986·Granted Nov 17, 1987·52 cites·11 claims
- 0681US5474104ARefueling check valve for compressed natural gas powered vehiclesSUPERIOR VALVE·Filed 1995·Granted Dec 12, 1995·53 cites·9 claims
- 0775US7792265B2Call completion service in case of called party unavailabilityBRITISH TELECOMM·Filed 2007·Granted Sep 7, 2010·5 cites·12 claims
- 0868US4776562ADual piston pneumatically operated valveSTANLEY G FLAGG & CO·Filed 1987·Granted Oct 11, 1988·30 cites·12 claims
- 0962US4211386ASlow opening cylinder valveSUPERIOR VALVE·Filed 1979·Granted Jul 8, 1980·18 cites·8 claims
- 1046US2009233602A1Personalisable heterogeneous network handover schemeHUGHES DAVID E·Filed 2006·Application pending·0 cites
- 1146US2009122761A1Personalised Heterogeneous Network Handover Alert SchemeHUGHES DAVID E·Filed 2006·Application pending·0 cites
- 1243US8483126B2Multi-network mobile communications systems and/or methodsLEE JOHN C·Filed 2007·Granted Jul 9, 2013·0 cites·12 claims
- 1343US2009117908A1Mobile communicationsHUGHES DAVID E·Filed 2007·Application pending·0 cites
- 1440US2010167739A1Handset HandoverHUGHES DAVID E·Filed 2006·Application pending·0 cites
- 1531US5125622ACylinder valve connectionAMCAST IND CORP·Filed 1991·Granted Jun 30, 1992·5 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →