Inventor · disambiguated record
Lloyd Douglas Clark
Also filed as: CLARK JR LLOYD D · CLARK LLOYD · CLARK LLOYD D · CLARK LLOYD DOUGLAS
34 granted patents·3 pending applications·620 citations·filing 1978–2023
98Inventor score
Top patents by PatentIndex Score
37 records- 0198US4600280ADigital audio recording/playback system for motion picture filmCLARK LLOYD D·Filed 1984·Granted Jul 15, 1986·92 cites·6 claims
- 0295US7644660B1Simultaneous, multi-layer pad printing transfer apparatus and method for flat and bulging padsCLARK LLOYD DOUGLAS·Filed 2006·Granted Jan 12, 2010·11 cites·20 claims
- 0393US7644657B1Deformable pad for pad printingCLARK LLOYD DOUGLAS·Filed 2006·Granted Jan 12, 2010·15 cites·15 claims
- 0492US8800439B2Continuously updatable rotary pad printing apparatus and methodCLARK LLOYD DOUGLAS·Filed 2007·Granted Aug 12, 2014·7 cites·25 claims
- 0591US8212915B1Externally actuable photo-eyepiece relay lens system for focus and photomontage in a wide-field imaging systemCLARK LLOYD DOUGLAS·Filed 2010·Granted Jul 3, 2012·23 cites·20 claims
- 0690US7866260B1Deformable pads for rotary pad printing, apparatus and methodCLARK LLOYD DOUGLAS·Filed 2007·Granted Jan 11, 2011·6 cites·17 claims
- 0789US4378596AMulti-channel sonic receiver with combined time-gain control and heterodyne inputsDIASONICS CARDIO IMAGING INC·Filed 1982·Granted Mar 29, 1983·55 cites·2 claims
- 0885US4444515AEarring watchCLARK LLOYD D·Filed 1981·Granted Apr 24, 1984·41 cites·7 claims
- 0982US9453995B2Electronically variable illumination filter for microscopyCLARK LLOYD DOUGLAS·Filed 2014·Granted Sep 27, 2016·5 cites·18 claims
- 1082US4185283AMultiple character word indication system employing sequential sensible indiciaCLARK LLOYD D·Filed 1978·Granted Jan 22, 1980·28 cites·21 claims
- 1181US6840167B2Multi-color pad printing apparatus and methodFiled 2003·Granted Jan 11, 2005·44 cites·28 claims
- 1272US5623715ALiquid toner concentrate management system and methodFiled 1994·Granted Apr 22, 1997·18 cites·20 claims
- 1371US4752919AClock with digital hour station and line of discrete, binary minute substationsCLARK LLOYD D·Filed 1986·Granted Jun 21, 1988·27 cites·20 claims
- 1469US7767071B1Dielectric and conductive imaging applied to gel electrophoresisCLARK LLOYD DOUGLAS·Filed 2006·Granted Aug 3, 2010·2 cites·15 claims
- 1566US11803102B1Hot shoe triggerable focusing light for photographyCLARK LLOYD D·Filed 2023·Granted Oct 31, 2023·0 cites·10 claims
- 1660US6265883B1Apparatus and method for combining measurement of electrical properties and depth of a fluidFiled 1997·Granted Jul 24, 2001·21 cites·24 claims
- 1760US4274422ASector scanner display and recording system for ultrasonic diagnosisVARIAN ASSOCIATES·Filed 1978·Granted Jun 23, 1981·35 cites·9 claims
- 1858US8356552B2Surface tracking rotary pad printing apparatus and methodCLARK LLOYD DOUGLAS·Filed 2008·Granted Jan 22, 2013·1 cites·22 claims
- 1957US9030228B1Intelligent current drive for bus linesATMEL CORP·Filed 2013·Granted May 12, 2015·1 cites·7 claims
- 2057US4831527ADynamic measuring system for determining the amount of excess body fatCLARK LLOYD D·Filed 1986·Granted May 16, 1989·51 cites·16 claims
- 2156US6357382B1Audible warning device with restrainable, tilt-activated mechanismFiled 2000·Granted Mar 19, 2002·6 cites·17 claims
- 2256US4591885AIon projection copierXEROX CORP·Filed 1984·Granted May 27, 1986·9 cites·13 claims
- 2355US4413630ASector scanner display and recording system for ultrasonic diagnosisDIASONICS CARDIO IMAGING INC·Filed 1981·Granted Nov 8, 1983·39 cites·17 claims
- 2452USD344974SAuto-radiogram image acquisition scannerAMOCO CORP·Filed 1992·Granted Mar 8, 1994·8 cites·1 claims
- 2552US4205483ADelayed return devicesCLARK LLOYD D·Filed 1978·Granted Jun 3, 1980·16 cites·10 claims
- 2651US7595909B2Web heat transfer press with air bearingCLARK LLOYD DOUGLAS·Filed 2004·Granted Sep 29, 2009·2 cites·20 claims
- 2748US6028614ACleaning and lapping apparatus and method for electrographic printersFiled 1997·Granted Feb 22, 2000·10 cites·21 claims
- 2843US2004156991A1Wiper blade accessory containing ablative coating materialFiled 2004·Application pending·0 cites
- 2942US6075450AAudible warning device with restrainable, shock-activated cocked mechanismFiled 1998·Granted Jun 13, 2000·13 cites·20 claims
- 3042US5993053AApparatus and method for convective stirring of finely-divided particles in liquid tonerFiled 1998·Granted Nov 30, 1999·10 cites·12 claims
- 3140US9904377B2Communication between active stylus and touch sensorATMEL CORP·Filed 2015·Granted Feb 27, 2018·0 cites·20 claims
- 3240US4420102AAutomatic contouring napkin ringCLARK LLOYD D·Filed 1981·Granted Dec 13, 1983·6 cites·11 claims
- 3340US2010283868A1Apparatus and Method for Application of Selective Digital Photomontage to Motion PicturesCLARK LLOYD DOUGLAS·Filed 2010·Application pending·0 cites
- 3439US5899604AExtending the dynamic range of single-bit, electrographic printers through multi-pass printingFiled 1997·Granted May 4, 1999·6 cites·18 claims
- 3539US5116464ACesium hydroxide etch of a semiconductor crystalMASSACHUSETTS INST TECHNOLOGY·Filed 1990·Granted May 26, 1992·10 cites·41 claims
- 3637US2003010892A1Imaging system using identical or nearly-identical scanning and viewing illuminationsFiled 2001·Application pending·0 cites
- 3731US4521792AIon projection printer with charge compensation sourceXEROX CORP·Filed 1983·Granted Jun 4, 1985·2 cites·7 claims
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