Inventor · disambiguated record
Richard D. Marshall
Also filed as: MARSHALL RICHARD · MARSHALL RICHARD D · MARSHALL RICHARD DANIEL
9 granted patents·3 pending applications·113 citations·filing 1975–2025
87Inventor score
Files with3M INNOVATIVE PROPERTIES COMPANY33M INNOVATIVE PROPERTIES CO1COMUNICA PLC1ELECTRIC POWER RES INST1LY ANH Q1
Top patents by PatentIndex Score
12 records- 0188US9387299B2Improvements to powered air breathing apparatusZWOLINSKY ALBERT F·Filed 2010·Granted Jul 12, 2016·26 cites·20 claims
- 0284US2023310907A1Powered air breathing apparatus3M INNOVATIVE PROPERTIES COMPANY·Filed 2023·Application pending·0 cites
- 0383US2025281776A1Powered air breathing apparatus3M INNOVATIVE PROPERTIES COMPANY·Filed 2025·Application pending·0 cites
- 0479US5460041AApparatus and method for continuous measurement of the wet bulb temperature of a flue gas streamELECTRIC POWER RES INST·Filed 1995·Granted Oct 24, 1995·50 cites·3 claims
- 0571US11707638B2Powered air breathing apparatus3M INNOVATIVE PROPERTIES COMPANY·Filed 2020·Granted Jul 25, 2023·0 cites·8 claims
- 0670US9195757B2Dynamic digital montagePORTNOY WILLIAM·Filed 2011·Granted Nov 24, 2015·2 cites·21 claims
- 0767US9582610B2Visual post builderMICROSOFT CORP·Filed 2013·Granted Feb 28, 2017·2 cites·20 claims
- 0861US3950995AAmbient pressure probeUS COMMERCE·Filed 1975·Granted Apr 20, 1976·15 cites·1 claims
- 0959US10695592B2Powered air breathing apparatus3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Jun 30, 2020·0 cites·20 claims
- 1056US10668307B2Breathing apparatusSCOTT HEALTH & SAFETY LTD·Filed 2016·Granted Jun 2, 2020·0 cites·19 claims
- 1150US6128872ACable protection systemCOMUNICA PLC·Filed 1998·Granted Oct 10, 2000·18 cites·17 claims
- 1241US2013178961A1Facilitating personal audio productionsLY ANH Q·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →