Inventor · disambiguated record
Adam Douglas Ledgerwood
Also filed as: LEDGERWOOD ADAM · LEDGERWOOD ADAM D · LEDGERWOOD ADAM DOUGLAS
50 granted patents·3 pending applications·216 citations·filing 2008–2025
98Inventor score
Files withEATON INTELLIGENT POWER LTD23COOPER TECHNOLOGIES CO5LEDGERWOOD ADAM D5XEROX CORP5BRYL DEREK A3
Top patents by PatentIndex Score
53 records- 0196US11615925B2Hazardous location compliant circuit protection devices having enhanced safety intelligence, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2019·Granted Mar 28, 2023·7 cites·21 claims
- 0294US11303111B2Configurable modular hazardous location compliant circuit protection devices, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2019·Granted Apr 12, 2022·5 cites·21 claims
- 0393US10714922B2Cable gland compression limiterEATON INTELLIGENT POWER LTD·Filed 2018·Granted Jul 14, 2020·9 cites·18 claims
- 0492US10584831B2Luminaire for use in harsh and hazardous locationsEATON INTELLIGENT POWER LTD·Filed 2018·Granted Mar 10, 2020·9 cites·15 claims
- 0592US9976735B2Linear LED luminaire for use in harsh and hazardous locationsCOOPER TECHNOLOGIES CO·Filed 2016·Granted May 22, 2018·10 cites·18 claims
- 0692US8926360B2Active cooling of electrical connectorsMANAHAN JOSEPH MICHAEL·Filed 2013·Granted Jan 6, 2015·17 cites·30 claims
- 0792US8795571B2Dual operation de-curlerBRYL DEREK A·Filed 2011·Granted Aug 5, 2014·11 cites·16 claims
- 0892US8387972B1Paper present sensing for a paper tray through media size sensing boardLEDGERWOOD ADAM D·Filed 2012·Granted Mar 5, 2013·10 cites·20 claims
- 0991US9073259B2Media-based system for forming three-dimensional objectsDUFORT RON EDWARD·Filed 2011·Granted Jul 7, 2015·23 cites·19 claims
- 1091US8360415B1Automatic feed roll cleaning systemXEROX CORP·Filed 2012·Granted Jan 29, 2013·8 cites·17 claims
- 1191US7900919B2Sheet transport roller systemXEROX CORP·Filed 2008·Granted Mar 8, 2011·11 cites·6 claims
- 1290US11270854B2Circuit protection devices, systems and methods for explosive environment complianceEATON INTELLIGENT POWER LTD·Filed 2019·Granted Mar 8, 2022·5 cites·20 claims
- 1390US10177548B2Enclosure arrangements; components; and methodsCOOPER TECHNOLOGIES CO·Filed 2017·Granted Jan 8, 2019·7 cites·18 claims
- 1489US10408442B2Hazardous location light fixture housingsCOOPER TECHNOLOGIES CO·Filed 2017·Granted Sep 10, 2019·5 cites·19 claims
- 1588US11637419B2Cable gland compression limiterEATON INTELLIGENT POWER LTD·Filed 2021·Granted Apr 25, 2023·2 cites·20 claims
- 1687US8348267B2Media rotation and translation apparatusXEROX CORP·Filed 2011·Granted Jan 8, 2013·7 cites·13 claims
- 1786US8177229B2Sheet transport roller systemLEDGERWOOD ADAM DOUGLAS·Filed 2010·Granted May 15, 2012·6 cites·6 claims
- 1885US11456142B2Hazardous location compliant circuit protection devices, systems and methods with safety lockout/tagout componentsEATON INTELLIGENT POWER LTD·Filed 2019·Granted Sep 27, 2022·2 cites·20 claims
- 1985US10448525B2Moisture control systems for electrical enclosuresMANAHAN JOSEPH MICHAEL·Filed 2016·Granted Oct 15, 2019·4 cites·19 claims
- 2083US12237136B2Hazardous location compliant circuit protection devices having enhanced safety intelligence, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2023·Granted Feb 25, 2025·0 cites·20 claims
- 2183US11239652B2Compliant, hazardous environment circuit protection devices, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2019·Granted Feb 1, 2022·2 cites·16 claims
- 2283US10454415B2Electrical box including jumper for reducing conductive heat transfer between electrical componentsEATON INTELLIGENT POWER LTD·Filed 2018·Granted Oct 22, 2019·4 cites·18 claims
- 2382US11990744B2Configurable modular hazardous location compliant circuit protection devices, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2023·Granted May 21, 2024·0 cites·19 claims
- 2479US7954815B2Segmented rigid plate belt transport with a high motion quality drive mechanismXEROX CORP·Filed 2009·Granted Jun 7, 2011·6 cites·18 claims
- 2578US12136531B2Hazardous location compliant circuit protection devices, systems and methods with safety lockout/tagout componentsEATON INTELLIGENT POWER LTD·Filed 2022·Granted Nov 5, 2024·0 cites·20 claims
- 2677US11682898B2Configurable modular hazardous location compliant ciruit protection devices, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2022·Granted Jun 20, 2023·0 cites·20 claims
- 2775US11967478B2Circuit protection devices, systems and methods for explosive environment complianceEATON INTELLIGENT POWER LTD·Filed 2022·Granted Apr 23, 2024·0 cites·18 claims
- 2875US8919770B2System and method for identification of media sheet sizeMATTERN FREDERICK T·Filed 2012·Granted Dec 30, 2014·4 cites·9 claims
- 2974US11527882B2Compliant, hazardous environment circuit protection devices, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2021·Granted Dec 13, 2022·0 cites·19 claims
- 3074US2025279249A1Hazardous location compliant circuit protection devices having enhanced safety intelligence, systems and methodsEATON INTELLIGENT POWER LTD·Filed 2025·Application pending·0 cites
- 3173US9093764B2Electrical connectors with force increase featuresMANAHAN JOSEPH MICHAEL·Filed 2013·Granted Jul 28, 2015·7 cites·25 claims
- 3269US11682887B2Enclosure arrangements; components; and methodsEATON INTELLIGENT POWER LTD·Filed 2021·Granted Jun 20, 2023·0 cites·20 claims
- 3369US7837195B2Angled pressure roll used with vacuum beltsXEROX CORP·Filed 2009·Granted Nov 23, 2010·3 cites·20 claims
- 3468US8968036B2Electrical connector having keyways with alignment featuresLEDGERWOOD ADAM D·Filed 2013·Granted Mar 3, 2015·6 cites·19 claims
- 3567US12347638B2Mechanical lockout for solid-state switchEATON INTELLIGENT POWER LTD·Filed 2023·Granted Jul 1, 2025·0 cites·20 claims
- 3667USD865258SLight fixture with battery backupEATON INTELLIGENT POWER LTD·Filed 2019·Granted Oct 29, 2019·9 cites·1 claims
- 3763US9368905B2Potting compound chamber designs for electrical connectorsLEDGERWOOD ADAM DOUGLAS·Filed 2014·Granted Jun 14, 2016·4 cites·20 claims
- 3860US11264188B2Operator for an electrical switching apparatusEATON INTELLIGENT POWER LTD·Filed 2019·Granted Mar 1, 2022·0 cites·14 claims
- 3959US9138983B2Spreader system having pressure roll and method for controlling pressure in a pressure rollBRYL DEREK A·Filed 2012·Granted Sep 22, 2015·0 cites·12 claims
- 4058USD841860SLight fixture with battery backupCOOPER TECHNOLOGIES CO·Filed 2016·Granted Feb 26, 2019·7 cites·1 claims
- 4158US9553389B2Active cooling of electrical connectorsCOOPER TECHNOLOGIES CO·Filed 2014·Granted Jan 24, 2017·2 cites·19 claims
- 4257US9806483B2Connector installation toolLEDGERWOOD ADAM D·Filed 2016·Granted Oct 31, 2017·1 cites·9 claims
- 4355US11613915B2Mechanical lockout for non-mechanical-interfacing electronic switchEATON INTELLIGENT POWER LTD·Filed 2019·Granted Mar 28, 2023·0 cites·10 claims
- 4455US11081868B2Enclosure arrangements; components; and methodsEATON INTELLIGENT POWER LTD·Filed 2018·Granted Aug 3, 2021·0 cites·20 claims
- 4554US10817009B2Offset operator mechanism for control enclosureEATON INTELLIGENT POWER LTD·Filed 2019·Granted Oct 27, 2020·0 cites·13 claims
- 4651US8583024B2Method and apparatus for lifting an elevator plate of a media tray in an image production deviceMARASCO JOSEPH·Filed 2010·Granted Nov 12, 2013·1 cites·21 claims
- 4751US2012189999A1System and method for using optical character recognition to evaluate student worksheetsUTHMAN TODD MAURICE·Filed 2011·Application pending·0 cites
- 4850US2015026976A1Connector installation toolLEDGERWOOD ADAM D·Filed 2013·Application pending·0 cites
- 4949US10014613B2Potting compound chamber designs for electrical connectorsCheney Eric Perry·Filed 2016·Granted Jul 3, 2018·1 cites·20 claims
- 5043US8668195B2Media diverter apparatusLEDGERWOOD ADAM D·Filed 2010·Granted Mar 11, 2014·0 cites·19 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →