Inventor · disambiguated record
David B. Stewart
Also filed as: PRESTON EDWARD G · STEWART DAVID · STEWART DAVID A · STEWART DAVID B
35 granted patents·5 pending applications·957 citations·filing 1977–2025
98Inventor score
Files withOCEAN POWER TECHNOLOGIES INC11STEWART DAVID B7STEWART & SONS WM R6MOLINS PLC3GEN ELECTRIC2
Top patents by PatentIndex Score
40 records- 0198US7323790B2Wave energy converters (WECs) with linear electric generators (LEGs)OCEAN POWER TECHNOLOGIES INC·Filed 2005·Granted Jan 29, 2008·111 cites·15 claims
- 0297US7305823B2Active impedance matching systems and methods for wave energy converterOCEAN POWER TECHNOLOGIES INC·Filed 2005·Granted Dec 11, 2007·57 cites·33 claims
- 0397US7168532B2Wave energy converter (WEC) with magnetic brakingOCEAN POWER TECHNOLOGIES INC·Filed 2005·Granted Jan 30, 2007·43 cites·16 claims
- 0496US7443046B2Wave energy converter utilizing internal reaction mass and springOCEAN POWER TECHNOLOGIES INC·Filed 2006·Granted Oct 28, 2008·60 cites·22 claims
- 0595US7362003B2Coil switching circuit for linear electric generatorOCEAN POWER TECHNOLOGIES INC·Filed 2005·Granted Apr 22, 2008·44 cites·33 claims
- 0695US7348764B2Coil switching of an electric generatorOCEAN POWER TECHNOLOGIES INC·Filed 2006·Granted Mar 25, 2008·45 cites·25 claims
- 0794US7140180B2Wave energy converter (WEC) device and systemOCEAN POWER TECHNOLOGIES INC·Filed 2004·Granted Nov 28, 2006·66 cites·7 claims
- 0894US7141888B2Antirotational structures for wave energy convertersOCEAN POWER TECHNOLOGIES INC·Filed 2005·Granted Nov 28, 2006·56 cites·11 claims
- 0993US7476137B2Expandable wave energy conversion systemOCEAN POWER TECHNOLOGIES INC·Filed 2006·Granted Jan 13, 2009·28 cites·12 claims
- 1092US7310944B2Wave energy converters (WECs) with velocity multiplicationOCEAN POWER TECHNOLOGIES INC·Filed 2005·Granted Dec 25, 2007·29 cites·9 claims
- 1191US8067849B2Wave energy converter with internal mass on spring oscillatorSTEWART DAVID B·Filed 2008·Granted Nov 29, 2011·29 cites·13 claims
- 1290US4270245ALag or stave assembly for Kirschner beatersSTEWART & SONS WM R·Filed 1979·Granted Jun 2, 1981·35 cites·13 claims
- 1388US11328697B1Protective device minimizing dispersion of airborne pathogens from wind instrumentsSTEWART DAVID B·Filed 2021·Granted May 10, 2022·4 cites·9 claims
- 1488US9115686B2Wave energy converter with rotary hydraulic springSTEWART DAVID B·Filed 2012·Granted Aug 25, 2015·11 cites·17 claims
- 1587US8487459B2Wave energy converter and power take off systemEDER JAMES E·Filed 2009·Granted Jul 16, 2013·20 cites·17 claims
- 1687US4771003AHeat stable alkaline proteases produced by a bacillusGENEX CORP·Filed 1985·Granted Sep 13, 1988·39 cites·14 claims
- 1785US8763389B2Reaction mass and spring oscillator for wave energy converterSTEWART DAVID B·Filed 2012·Granted Jul 1, 2014·5 cites·10 claims
- 1885US5359180APower supply system for arcjet thrustersGEN ELECTRIC·Filed 1992·Granted Oct 25, 1994·110 cites·5 claims
- 1984US8723351B2Multi-mode wave energy converter devices and systemsSTEWART DAVID B·Filed 2012·Granted May 13, 2014·5 cites·26 claims
- 2082US7397152B2Circuitry for increasing efficiency of a linear electric generatorOCEAN POWER TECHNOLOGIES INC·Filed 2005·Granted Jul 8, 2008·15 cites·21 claims
- 2179US9790913B2Pitch and heave driven wave energy converter system including cable supported reaction massesSTEWART DAVID B·Filed 2012·Granted Oct 17, 2017·3 cites·17 claims
- 2273US4593706AProducing filler material, particularly for cigarette filtersMOLINS LTD·Filed 1981·Granted Jun 10, 1986·35 cites·25 claims
- 2368US4162559ACarding apparatusSTEWART & SONS WM R·Filed 1977·Granted Jul 31, 1979·11 cites·19 claims
- 2467US8869524B2Ball and socket power cable connectorSTEWART DAVID B·Filed 2012·Granted Oct 28, 2014·3 cites·16 claims
- 2565US4869060AFiber opening devicesSTEWART & SONS WM R·Filed 1988·Granted Sep 26, 1989·7 cites·7 claims
- 2664US6921246B2Methods and apparatus for assembling gas turbine nozzlesGEN ELECTRIC·Filed 2002·Granted Jul 26, 2005·21 cites·20 claims
- 2764US4184619ACutting deviceSTEWART & SONS WM R·Filed 1977·Granted Jan 22, 1980·15 cites·19 claims
- 2863US4528050AProducing filler material, particularly for cigarette filtersMOLINS PLC·Filed 1982·Granted Jul 9, 1985·22 cites·24 claims
- 2957US2025248894A1Systems, Methods, and Apparatus for Providing Medical Treatment FeedbackPHYSIO CONTROL INC·Filed 2025·Application pending·0 cites
- 3054US2023405130A1Compositions and methods for modifying bacterial gene expressionUNIV ARIZONA·Filed 2021·Application pending·0 cites
- 3153US2025248892A1Systems, Methods, and Apparatus for Adjusting Medical TreatmentsPHYSIO CONTROL INC·Filed 2025·Application pending·0 cites
- 3250US5447238ASeparating mechanismMINI AGRICULTURE & FISHERIES·Filed 1992·Granted Sep 5, 1995·9 cites·12 claims
- 3348US4825511ASecuring segments to a baseSTEWART & SONS WM R·Filed 1987·Granted May 2, 1989·7 cites·14 claims
- 3445US2022265691A1Methods for use of gene expression as an indicator of e-selectin inhibitor efficacy and clinical outcome for multiple tumor typesGLYCOMIMETICS INC·Filed 2020·Application pending·0 cites
- 3542US4530133AOpening roller for open end spinning machinesSTEWART & SONS WM R·Filed 1984·Granted Jul 23, 1985·3 cites·20 claims
- 3639US4510949AFeeding particulate material, especially tobaccoMOLINS PLC·Filed 1982·Granted Apr 16, 1985·6 cites·11 claims
- 3735US2002170374A1Energy saving gear systemFiled 2002·Application pending·0 cites
- 3833US5018538ACigarette making machineMOLINS PLC·Filed 1989·Granted May 28, 1991·3 cites·12 claims
- 3924US5005259AOpening roller for open end spinning machinesWILLIAM R STEWART & SONS LTD·Filed 1988·Granted Apr 9, 1991·0 cites·6 claims
- 4023US6539948B1Suction band for a cigarette making machineSTEWART FIBRE CONTROL LTD·Filed 1998·Granted Apr 1, 2003·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →