Inventor · disambiguated record
David F. Lewis
Also filed as: LEWIS DAVID · LEWIS DAVID F · LEWIS DAVID FAIRHURST · LEWIS JR DAVID F
45 granted patents·5 pending applications·1,135 citations·filing 1981–2017
98Inventor score
Files withISP INVESTMENTS INC26GAF CORP9GAF CHEMICALS CORP7ASSUREX HEALTH INC1GED INTEGRATED SOLUTIONS INC1
Top patents by PatentIndex Score
50 records- 0199US4800526AMemory element for information storage and retrieval system and associated processGAF CORP·Filed 1987·Granted Jan 24, 1989·312 cites·42 claims
- 0294US4734355ASensitivity of processless recording mediaGAF CORP·Filed 1986·Granted Mar 29, 1988·37 cites·29 claims
- 0393US4698296AProcessless color imaging and film thereforGAF CORP·Filed 1986·Granted Oct 6, 1987·28 cites·28 claims
- 0491US4705741AProcessless color imaging and film thereforGAF CORP·Filed 1986·Granted Nov 10, 1987·34 cites·18 claims
- 0589US5637876ARadiation dosimetry method and apparatusISP INVESTMENTS INC·Filed 1995·Granted Jun 10, 1997·66 cites·25 claims
- 0686US4705742AProcessless multicolor imagingGAF CORP·Filed 1985·Granted Nov 10, 1987·59 cites·16 claims
- 0783US8250023B2Window processing system comprising a cleaning station with multiple cutting surfacesMCGLINCHY TIMOTHY B·Filed 2011·Granted Aug 21, 2012·7 cites·3 claims
- 0881US5731112AProcessless diacetylenic salt films capable of developing a black imageISP INVESTMENTS INC·Filed 1996·Granted Mar 24, 1998·48 cites·92 claims
- 0981US4970137AProcess for sensitizing polyacetylenic filmsGAF CHEMICALS CORP·Filed 1989·Granted Nov 13, 1990·15 cites·14 claims
- 1080US8604415B2Radiation dosimetry methodMICKE ANDRE·Filed 2011·Granted Dec 10, 2013·8 cites·18 claims
- 1180US6285031B1Radiation dosimetry method and associated apparatusISP INVESTMENTS INC·Filed 1998·Granted Sep 4, 2001·53 cites·27 claims
- 1280US5232820AProcess of directly imaging a thermosensitive polyacetylene salt dyesISP INVESTMENTS INC·Filed 1992·Granted Aug 3, 1993·34 cites·12 claims
- 1379US5137964AVisually imageable polyacetylene salt dyesISP INVESTMENTS INC·Filed 1991·Granted Aug 11, 1992·26 cites·8 claims
- 1478US7921064B2System and method for cleaning window frames after learning their unknown profile using non-contact sensorsGED INTEGRATED SOLUTIONS INC·Filed 2007·Granted Apr 5, 2011·7 cites·27 claims
- 1578US6177578B1Processless diacetylenic salt films capable of developing a black imageISP INVESTMENTS INC·Filed 1998·Granted Jan 23, 2001·18 cites·7 claims
- 1678US5084623ARadiation dosage indicatorISP INVESTMENTS INC·Filed 1991·Granted Jan 28, 1992·47 cites·28 claims
- 1775US7482601B2Radiation sensitive film including a measuring scaleISP INVESTMENTS INC·Filed 2005·Granted Jan 27, 2009·13 cites·36 claims
- 1874US5139928AImageable recording filmsISP INVESTMENTS INC·Filed 1990·Granted Aug 18, 1992·35 cites·19 claims
- 1973US7798414B2Human and scanner readable radiation exposure indicator with reactive barcodeISP INVESTMENTS INC·Filed 2007·Granted Sep 21, 2010·5 cites·5 claims
- 2070US5051597ARadiation dosage indicatorGAF CHEMICALS CORP·Filed 1990·Granted Sep 24, 1991·39 cites·24 claims
- 2169US5603549ANestable multipiece truck cab roof fairing assemblyNAVISTAR INT CORP·Filed 1995·Granted Feb 18, 1997·32 cites·17 claims
- 2268US6268602B1Method for manufacturing calibrated radiation dosimeterISP INVESTMENTS INC·Filed 1998·Granted Jul 31, 2001·24 cites·7 claims
- 2368US4784934ASensitivity of processless recording mediaGAF CORP·Filed 1987·Granted Nov 15, 1988·20 cites·7 claims
- 2466US5777341AMethod for manufacturing calibrated radiation dosimeterISP INVESTMENTS INC·Filed 1996·Granted Jul 7, 1998·23 cites·13 claims
- 2566US5002852ARecording medium of improved stabilityGAF CHEMICALS CORP·Filed 1987·Granted Mar 26, 1991·22 cites·14 claims
- 2663US7445880B2Lithium salt of polyacetylene as radiation sensitive filaments and preparation and use thereofISP INVESTMENTS INC·Filed 2006·Granted Nov 4, 2008·2 cites·29 claims
- 2759US9268029B2Efficient method for radiochromic film dosimetryISP INVESTMENTS INC·Filed 2013·Granted Feb 23, 2016·1 cites·12 claims
- 2857US7405412B2Method for calibrating a radiation detection mediumISP INVESTMENTS INC·Filed 2006·Granted Jul 29, 2008·2 cites·14 claims
- 2956US5139927APermanent yellow imaged light modulating filmISP INVESTMENTS INC·Filed 1990·Granted Aug 18, 1992·12 cites·3 claims
- 3055US5147787ARecovery of imageable polyacetylenes from binder containing aqueous dispersionsISP INVESTMENTS INC·Filed 1988·Granted Sep 15, 1992·11 cites·15 claims
- 3153US7933463B2Method for removing the effect of light scattering in a digitized image of a light-scattering filmISP INVESTMENTS INC·Filed 2007·Granted Apr 26, 2011·3 cites·13 claims
- 3252US5215870AProcess of forming a permanent yellow imaged light modulating filmISP INVESTMENTS INC·Filed 1992·Granted Jun 1, 1993·10 cites·11 claims
- 3351US8212203B2Radiation dosimetry methodLEWIS DAVID F·Filed 2010·Granted Jul 3, 2012·1 cites·18 claims
- 3451US5359200ARadiation dosimeterISP INVESTMENTS INC·Filed 1993·Granted Oct 25, 1994·12 cites·7 claims
- 3545US4954428ACoating for increasing sensitivity of a radiation imageable polyacetylenic filmGAF CHEMICALS CORP·Filed 1989·Granted Sep 4, 1990·10 cites·17 claims
- 3643US4952244AProtective coatings for polyacetylenic recording mediaGAF CHEMICALS CORP·Filed 1988·Granted Aug 28, 1990·6 cites·5 claims
- 3742USD580281SDosimeter badgeISP INVESTMENTS INC·Filed 2007·Granted Nov 11, 2008·4 cites·1 claims
- 3842US5767520ARadiation dosimetry method and apparatusISP INVESTMENTS INC·Filed 1996·Granted Jun 16, 1998·24 cites·22 claims
- 3942US2008269568A1Methods for validating a radiotherapy plan by a dosimetry serviceISP INVESTMENTS INC·Filed 2007·Application pending·0 cites
- 4039US8486592B2Nanoparticle dispersion to improve radiation sensitivitySHIH HSIAO-YI·Filed 2010·Granted Jul 16, 2013·0 cites·11 claims
- 4137US4985290AProtective coatings for polyacetylenic recording mediaGAF CHEMICALS CORP·Filed 1990·Granted Jan 15, 1991·6 cites·16 claims
- 4237US2003129080A1Stable, non-hazardous indicia for biocidal irradiation of a packageISP INVESTMENTS INC·Filed 2002·Application pending·0 cites
- 4336US4448875AElectron beam sensitive mixture resistGAF CORP·Filed 1983·Granted May 15, 1984·4 cites·26 claims
- 4435US4423152AEffluent detection methodsYORK RES CORP·Filed 1981·Granted Dec 27, 1983·8 cites·7 claims
- 4534US4954543ACoating for increasing sensitivity of a radiation imageable polyacetylenic filmGAF CHEMICALS CORP·Filed 1988·Granted Sep 4, 1990·3 cites·12 claims
- 4634US4542090AElectron beam sensitive resistGAF CORP·Filed 1984·Granted Sep 17, 1985·3 cites·6 claims
- 4733US2020024662A1Methods for treating opioid addictionASSUREX HEALTH INC·Filed 2017·Application pending·0 cites
- 4832US2004197684A1Composition and method for 3-dimensional mapping or radiation doseISP INVESTMENTS INC·Filed 2004·Application pending·0 cites
- 4932US2004197700A1Lithium salt of polyacetylene as radiation sensitive filaments and preparation and use thereofISP INVESTMENTS INC·Filed 2004·Application pending·0 cites
- 5030US4513076AElectron beam sensitive resistGAF CORP·Filed 1983·Granted Apr 23, 1985·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →