Inventor · disambiguated record
Robert D. Varrin, Jr.
Also filed as: VARRIN JR ROBERT · VARRIN JR ROBERT D · VARRIN JR ROBERT DOUGLAS · VARRIN ROBERT
25 granted patents·4 pending applications·619 citations·filing 1990–2025
96Inventor score
Top patents by PatentIndex Score
29 records- 0196US5085885APlasma-induced, in-situ generation, transport and use or collection of reactive precursorsUNIV DELAWARE·Filed 1990·Granted Feb 4, 1992·182 cites·14 claims
- 0293US6572709B1Ultrasonic cleaning methodDOMINION ENG INC·Filed 2000·Granted Jun 3, 2003·76 cites·20 claims
- 0389US8728246B2Method and composition for removing depositsVARRIN JR ROBERT D·Filed 2010·Granted May 20, 2014·12 cites·15 claims
- 0489US5280967ADevice for indicating the proper installation of fittingsTRAVIS DONALD·Filed 1992·Granted Jan 25, 1994·107 cites·17 claims
- 0586US8999072B2Chemical cleaning method and system with steam injectionVARRIN JR ROBERT D·Filed 2009·Granted Apr 7, 2015·8 cites·26 claims
- 0686US6740168B2Scale conditioning agentsDOMINION ENG INC·Filed 2001·Granted May 25, 2004·21 cites·13 claims
- 0785US7967918B2Low-pressure sludge removal method and apparatus using coherent jet nozzlesDOMINION ENG INC·Filed 2007·Granted Jun 28, 2011·18 cites·15 claims
- 0884US6396892B1Apparatus and method for ultrasonically cleaning irradiated nuclear fuel assembliesELECTRIC POWER RES INST·Filed 2000·Granted May 28, 2002·33 cites·35 claims
- 0983US5015503AApparatus for producing compound semiconductor thin filmsUNIV DELAWARE·Filed 1990·Granted May 14, 1991·55 cites·32 claims
- 1078US8459277B2Chemical cleaning method and system with steam injectionVARRIN ROBERT D JR·Filed 2009·Granted Jun 11, 2013·4 cites·8 claims
- 1175US9841184B2Method and apparatus for evaluating repair and remediation alternatives for heat exchangersKREIDER MARC A·Filed 2011·Granted Dec 12, 2017·5 cites·25 claims
- 1275US5913320ASludge removal systemFOSTER MILLER INC·Filed 1995·Granted Jun 22, 1999·39 cites·38 claims
- 1374US11198630B2Modular water purification system for nuclear power plantsDOMINION ENG INC·Filed 2018·Granted Dec 14, 2021·1 cites·29 claims
- 1473US7344602B2Scale conditioning agents and treatment methodDOMINION ENG INC·Filed 2004·Granted Mar 18, 2008·14 cites·34 claims
- 1572US10052667B2Ultrasonically cleaning vessels and pipesDOMINION ENG INC·Filed 2014·Granted Aug 21, 2018·2 cites·5 claims
- 1671US11170904B2System and method for improving sensitivity of a sipping systemDOMINION ENG INC·Filed 2015·Granted Nov 9, 2021·1 cites·5 claims
- 1771US9767927B2Particulate removal systemDOMINION ENG INC·Filed 2012·Granted Sep 19, 2017·2 cites·12 claims
- 1870US7857911B2Scale conditioning agents and treatment methodASML NETHERLANDS BV·Filed 2005·Granted Dec 28, 2010·6 cites·38 claims
- 1968US8433030B2Crystal habit modifiers for nuclear power water chemistry control of fuel deposits and steam generator crudFRUZZETTI KEITH PAUL·Filed 2009·Granted Apr 30, 2013·3 cites·13 claims
- 2068US6955706B2Liquid degassing system for power plant system layupDOMINION ENG INC·Filed 2003·Granted Oct 18, 2005·13 cites·22 claims
- 2163US2024044008A1Method for Coating Nuclear Power Plant ComponentsVARRIN JR ROBERT D·Filed 2023·Application pending·0 cites
- 2263US2025266179A1Method and Apparatus to Test for Defects in Irradiated Nuclear FuelVARRIN JR ROBERT D·Filed 2024·Application pending·0 cites
- 2362US9498802B2Methods of reusing a cleaning solutionDOMINION ENG INC·Filed 2013·Granted Nov 22, 2016·1 cites·15 claims
- 2462US7542539B2Apparatus and method for ultrasonically cleaning irradiated nuclear fuel assembliesELECTRIC POWER RES INST·Filed 2001·Granted Jun 2, 2009·7 cites·16 claims
- 2557US2025325930A1Method and apparatus for enhanced separation and removal of contaminants and irradiated particulates from fluidsVRD LLC·Filed 2025·Application pending·0 cites
- 2646US2011079243A1Scale conditioning agents and treatment methodDOMINION ENG INC·Filed 2010·Application pending·0 cites
- 2742US6333072B1Method of producing adherent metal oxide coatings on metallic surfacesUS ENERGY·Filed 1999·Granted Dec 25, 2001·9 cites·25 claims
- 2841US8262806B2Low-pressure sludge removal method and apparatus using coherent jet nozzlesCOLLIN JEAN·Filed 2011·Granted Sep 11, 2012·0 cites·19 claims
- 2935US12377376B2Method and apparatus for enhanced separation and removal of contaminants and irradiated particulates from fluidsVRD LLC·Filed 2020·Granted Aug 5, 2025·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →