Inventor · disambiguated record
Don Christensen
Also filed as: CHRISTENSEN DON · CHRISTENSEN DON C
15 granted patents·2 pending applications·134 citations·filing 1976–2024
91Inventor score
Top patents by PatentIndex Score
17 records- 0189US11473685B2Dual poppet pressure relief valve with vacuum adaptor capabilityPREVCO SUBSEA LLC·Filed 2020·Granted Oct 18, 2022·3 cites·5 claims
- 0282US5187987ABending beam creep test device with piston having a gas bearingPENNSYLVANIA RES CORP·Filed 1991·Granted Feb 23, 1993·64 cites·16 claims
- 0377US8328160B2Seals, ball valve assemblies, and methods of operating ball valve assembliesABEL MICAH S·Filed 2010·Granted Dec 11, 2012·7 cites·20 claims
- 0474US12085181B2Dual poppet pressure relief valve with vacuum adaptor capabilityPREVCO SUBSEA LLC·Filed 2023·Granted Sep 10, 2024·0 cites·25 claims
- 0573US11703139B2Dual poppet pressure relief valve with vacuum adaptor capabilityPREVCO SUBSEA LLC·Filed 2022·Granted Jul 18, 2023·0 cites·22 claims
- 0673US8146886B2High accuracy, zero backlash rotary-to-linear electromechanical actuatorHANLON CASEY·Filed 2009·Granted Apr 3, 2012·7 cites·15 claims
- 0771US8134328B2Active pilot inceptor with self warm-upHANLON CASEY·Filed 2008·Granted Mar 13, 2012·12 cites·19 claims
- 0861US12480589B2Pressure relief valve assembly including series coupled valves and related methodsPREVCO SUBSEA LLC·Filed 2024·Granted Nov 25, 2025·0 cites·23 claims
- 0954US4226671AVenting of gasesPHILLIPS PETROLEUM CO·Filed 1976·Granted Oct 7, 1980·14 cites·1 claims
- 1049US2009321669A1Flapper hot gas valveHONEYWELL INT INC·Filed 2008·Application pending·0 cites
- 1148US2019322448A1Systems and methods for providing a sleeve reinforced subsea pressure vesselPREVCO SUBSEA LLC·Filed 2019·Application pending·0 cites
- 1244US5607761AHigh modulus reinforcement and dip-coat production method for sameHEXCEL CORP·Filed 1995·Granted Mar 4, 1997·11 cites·5 claims
- 1342US8104264B2Low minimum impulse bit propellant gas thrusterABEL STEVE·Filed 2008·Granted Jan 31, 2012·1 cites·18 claims
- 1438US5380576AHigh modulus fiber protective carrier systems and methods for their useHEXCEL CORP·Filed 1993·Granted Jan 10, 1995·10 cites·11 claims
- 1536US4532310AContacting arylene sulfide polymer with oxygen in extruder by continuous processingCHRISTENSEN DON C·Filed 1984·Granted Jul 30, 1985·5 cites·8 claims
- 1633US8312705B2Propellant gas control valveCHRISTENSEN DON·Filed 2008·Granted Nov 20, 2012·0 cites·19 claims
- 1728US7578452B2Ablative composite assemblies and joining methods thereofHONEYWELL INT INC·Filed 2003·Granted Aug 25, 2009·0 cites·20 claims
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