Inventor · disambiguated record
Richard A. Campbell
Also filed as: CAMPBELL RICHARD · CAMPBELL RICHARD A · CAMPBELL RICHARD ALAN · CAMPBELL RICHARD E
31 granted patents·2 pending applications·371 citations·filing 1976–2019
96Inventor score
Top patents by PatentIndex Score
33 records- 0197US10183444B2Modular multi-station three-dimensional object printing systemsXEROX CORP·Filed 2015·Granted Jan 22, 2019·16 cites·20 claims
- 0295US10226951B1System and method for pivoting a printhead in a direct-to-object printer during printing of an objectXEROX CORP·Filed 2017·Granted Mar 12, 2019·7 cites·19 claims
- 0395US4616191AMultifrequency microwave sourceRAYTHEON CO·Filed 1983·Granted Oct 7, 1986·107 cites·2 claims
- 0489US7056145B2Plug securing and outlet cover deviceCAMPBELL III RICHARD G·Filed 2004·Granted Jun 6, 2006·63 cites·10 claims
- 0585US8562630B2Suture instrument and methodCAMPBELL RICHARD A·Filed 2009·Granted Oct 22, 2013·41 cites·4 claims
- 0680US6561863B1Pressure actuated triggering systemFiled 2001·Granted May 13, 2003·21 cites·2 claims
- 0779US7966837B2Air-conditioning register assembly and methodMADINA LLC·Filed 2007·Granted Jun 28, 2011·17 cites·6 claims
- 0877US5056255AFishing rod jigging apparatusCAMPBELL RICHARD A·Filed 1990·Granted Oct 15, 1991·35 cites·8 claims
- 0975US10093108B1System and method for attenuating oxygen inhibition of ultraviolet ink curing on an image on a three-dimensional (3D) object during printing of the objectXEROX CORP·Filed 2017·Granted Oct 9, 2018·1 cites·17 claims
- 1071US11142014B2Module for a three-dimensional (3D) object printer to prepare 3D objects for surface printingXEROX CORP·Filed 2019·Granted Oct 12, 2021·0 cites·19 claims
- 1169US7357689B2Automatic inflation device having a moisture activated trigger and release system with reduced force applied to the degradable elementCAMPBELL RICHARD A·Filed 2005·Granted Apr 15, 2008·4 cites·21 claims
- 1268US4048580AApparatus for detecting a stable microwave discrete frequencyUS ARMY·Filed 1976·Granted Sep 13, 1977·17 cites·2 claims
- 1366US9119351B1Soil replacement method and system for seed germination and agricultural growingCAMPBELL RICHARD·Filed 2012·Granted Sep 1, 2015·1 cites·14 claims
- 1465US8028985B2Composite substrate feeding mechanismXEROX CORP·Filed 2008·Granted Oct 4, 2011·2 cites·23 claims
- 1562US10518569B2System and method for preparing three-dimensional (3D) objects for surface printingXEROX CORP·Filed 2018·Granted Dec 31, 2019·0 cites·9 claims
- 1661US11008189B2Parallel edge guides for sheet offsetXEROX CORP·Filed 2019·Granted May 18, 2021·0 cites·19 claims
- 1760US4159576ARadiation shadow indicatorCAMPBELL RICHARD A·Filed 1978·Granted Jul 3, 1979·12 cites·7 claims
- 1859US10894411B2Cap and application devices stabilizing ink in nozzles of inkjet printheadsXEROX CORP·Filed 2019·Granted Jan 19, 2021·0 cites·12 claims
- 1957US10689214B1Modular radial impeller drum with variable blade segments for printing devicesXEROX CORP·Filed 2018·Granted Jun 23, 2020·0 cites·20 claims
- 2055US10870269B2Modular radial impeller drum for printing devicesXEROX CORP·Filed 2018·Granted Dec 22, 2020·0 cites·20 claims
- 2154US10814653B2Blower roll to assist paper detack from vacuum transportsXEROX CORP·Filed 2018·Granted Oct 27, 2020·0 cites·17 claims
- 2252US10814635B2Inkjet reusable jetting sheet with cleaning stationXEROX CORP·Filed 2019·Granted Oct 27, 2020·0 cites·19 claims
- 2351US2010110508A1Printing apparatus having common scanning and printing feed pathXEROX CORP·Filed 2008·Application pending·0 cites
- 2450US10751935B2Substrate blank shearing and precise stack location apparatus and method for web fed pressesXEROX CORP·Filed 2018·Granted Aug 25, 2020·0 cites·20 claims
- 2549US8424862B2Composite substrate feeding mechanismCAMPBELL RICHARD·Filed 2011·Granted Apr 23, 2013·0 cites·18 claims
- 2645US8446635B2Return label generationCAMPBELL RICHARD ALAN·Filed 2010·Granted May 21, 2013·0 cites·18 claims
- 2744US4156971AContour measurement systemNASA·Filed 1977·Granted Jun 5, 1979·9 cites·5 claims
- 2843US10639909B1System and method for printing on three-dimensional objects with ultraviolet curable inks in a direct-to-object printerXEROX CORP·Filed 2018·Granted May 5, 2020·0 cites·14 claims
- 2941US4481484AControl circuit for low noise frequency agile oscillatorRAYTHEON CO·Filed 1982·Granted Nov 6, 1984·6 cites·4 claims
- 3040US4591859ARadar transmitterRAYTHEON CO·Filed 1982·Granted May 27, 1986·5 cites·3 claims
- 3140US2007224641A1Apparatus and method for ziegler-natta researchCAMPBELL RICHARD E·Filed 2005·Application pending·0 cites
- 3238US8053380B2Extensible spunbonded non-woven fabricsBRASKEM AMERICA INC·Filed 2009·Granted Nov 8, 2011·0 cites·4 claims
- 3335US4157655ACoal-shale interface detection systemNASA·Filed 1977·Granted Jun 12, 1979·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →