Inventor · disambiguated record
Henry Frazier Pruett
Also filed as: PRUETT HENRY F · PRUETT HENRY FRAZIER
24 granted patents·3 pending applications·503 citations·filing 1995–2023
96Inventor score
Files withINFOCUS CORP10SUNPOWER CORP4IN FOCUS SYSTEMS INC3GRIMES AEROSPACE CO2SEMICONDUCTOR COMPONENTS IND LLC2
Top patents by PatentIndex Score
27 records- 0194US6520648B2Lamp power pulse modulation in color sequential projection displaysINFOCUS CORP·Filed 2001·Granted Feb 18, 2003·121 cites·9 claims
- 0293US9101082B1Junction box thermal managementDORENKAMP JAMES·Filed 2011·Granted Aug 4, 2015·47 cites·19 claims
- 0393US8860242B1Power-line communication couplingPRUETT HENRY F·Filed 2010·Granted Oct 14, 2014·42 cites·26 claims
- 0492US7633245B2Light-emitting device driver circuitINFOCUS CORP·Filed 2008·Granted Dec 15, 2009·15 cites·6 claims
- 0591US9342088B2Power point trackingBATTEN ROBERT·Filed 2010·Granted May 17, 2016·22 cites·32 claims
- 0690US6472828B1Control for projector lamp heat dissipationINFOCUS CORP·Filed 2000·Granted Oct 29, 2002·81 cites·10 claims
- 0784US5855488AProtection lamp safety interconnect apparatus and methodIN FOCUS SYSTEMS INC·Filed 1997·Granted Jan 5, 1999·48 cites·13 claims
- 0880US6624585B2Ultra-compact igniter circuit for arc discharge lampINFOCUS CORP·Filed 2001·Granted Sep 23, 2003·25 cites·24 claims
- 0973US6424097B1Projection lamp safety interlock apparatus and methodINFOCUS CORP·Filed 2000·Granted Jul 23, 2002·14 cites·6 claims
- 1071US10681829B2Electrical junction box with removable sealing coverSUNPOWER CORP·Filed 2017·Granted Jun 9, 2020·1 cites·20 claims
- 1171US9419438B2Power-line communication couplingSUNPOWER CORP·Filed 2014·Granted Aug 16, 2016·2 cites·20 claims
- 1270US6853152B2Electric power supply safety interlock systemINFOCUS CORP·Filed 2002·Granted Feb 8, 2005·11 cites·9 claims
- 1370US6639365B2Ultra-compact arc discharge lamp system with an additional electrodeINFOCUS CORP·Filed 2001·Granted Oct 28, 2003·20 cites·19 claims
- 1467US9763360B2Serviceable electrical box thermal managementSUNPOWER CORP·Filed 2015·Granted Sep 12, 2017·1 cites·15 claims
- 1567US7372883B2Light emitting device driver circuitINFOCUS CORP·Filed 2005·Granted May 13, 2008·2 cites·10 claims
- 1660US7880396B2Projector device employing ballast with flyback converterSEIKO EPSON CORP·Filed 2008·Granted Feb 1, 2011·1 cites·18 claims
- 1759US11172550B2Dual-control LED dimming system and methodSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Nov 9, 2021·0 cites·19 claims
- 1858US7091670B2Safety interlock apparatus and methodINFOCUS CORP·Filed 2004·Granted Aug 15, 2006·5 cites·16 claims
- 1955US5731665APower regulator for fluorescent lampGRIMES AEROSPACE CO·Filed 1996·Granted Mar 24, 1998·18 cites·1 claims
- 2054US6476566B2Method and apparatus for canceling ripple current in a lampIN FOCUS SYSTEMS INC·Filed 2000·Granted Nov 5, 2002·4 cites·29 claims
- 2152US2025253762A1Cascode normally off switch with driver and self biasTRANSPHORM TECH INC·Filed 2023·Application pending·0 cites
- 2249US2016254673A1Power point trackingSUNPOWER CORP·Filed 2016·Application pending·0 cites
- 2345USRE44279ELamp power pulse modulation in color sequential projection displaysSTARK STEVEN E·Filed 2012·Granted Jun 11, 2013·0 cites·75 claims
- 2443US6628094B2Method and apparatus for canceling ripple current in a lampINFOCUS CORP·Filed 2002·Granted Sep 30, 2003·4 cites·11 claims
- 2543US5861718AARC lamp igniter apparatus and methodIN FOCUS SYSTEMS INC·Filed 1997·Granted Jan 19, 1999·9 cites·19 claims
- 2635US5727863AAircraft wing inspection light systemGRIMES AEROSPACE CO·Filed 1995·Granted Mar 17, 1998·10 cites·11 claims
- 2732US2017229957A1Thd in off-line convertersSEMICONDUCTOR COMPONENTS IND LLC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →