Inventor · disambiguated record
Roe-Hoan Yoon
Also filed as: YOON ROE-HOAN
33 granted patents·7 pending applications·1,114 citations·filing 1984–2024
98Inventor score
Files withVIRGINIA TECH INTELLECTUAL PROPERTIES INC10VIRGINIA TECH INTELL PROP9YOON ROE HOAN6INNOVATIVE TECH CENTER2MINERAL AND COAL TECHNOLOGIES2
Top patents by PatentIndex Score
40 records- 0195US6871743B2Methods of increasing flotation rateMINERAL AND COAL TECHNOLOGIES·Filed 2002·Granted Mar 29, 2005·71 cites·13 claims
- 0295US5670056AChemical-mechanical dewatering processVIRGINIA TECH INTELL PROP·Filed 1995·Granted Sep 23, 1997·85 cites·25 claims
- 0395US4981582AProcess and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubblesVIRGINIA TECH INTELL PROP·Filed 1988·Granted Jan 1, 1991·140 cites·15 claims
- 0494US5161694AMethod for separating fine particles by selective hydrophobic coagulationVIRGINIA TECH INTELL PROP·Filed 1990·Granted Nov 10, 1992·95 cites·37 claims
- 0593US5167798AApparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubblesVIRGINIA TECH INTELL PROP·Filed 1990·Granted Dec 1, 1992·107 cites·7 claims
- 0692US6375853B1Methods of using modified natural products as dewatering aids for fine particlesFiled 2000·Granted Apr 23, 2002·52 cites·15 claims
- 0791US6799682B1Method of increasing flotation rateFiled 2000·Granted Oct 5, 2004·37 cites·9 claims
- 0891US6526675B1Methods of using natural products as dewatering aids for fine particlesFiled 1999·Granted Mar 4, 2003·50 cites·51 claims
- 0989US7820058B2Methods of enhancing fine particle dewateringMINERAL AND COAL TECHNOLOGIES·Filed 2007·Granted Oct 26, 2010·15 cites·17 claims
- 1089US5397001AApparatus for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubblesVIRGINIA POLYTECHNIC INST & ST·Filed 1992·Granted Mar 14, 1995·71 cites·3 claims
- 1187US6855260B1Methods of enhancing fine particle dewateringFiled 1999·Granted Feb 15, 2005·32 cites·9 claims
- 1286US4629556APurification of kaolin clay by froth flotation using hydroxamate collectorsTHIELE KAOLIN CO·Filed 1984·Granted Dec 16, 1986·53 cites·11 claims
- 1385US9518241B2Method of separating and de-watering fine particlesYOON ROE-HOAN·Filed 2013·Granted Dec 13, 2016·3 cites·18 claims
- 1484US9789492B2Cleaning and dewatering fine coalYOON ROE-HOAN·Filed 2011·Granted Oct 17, 2017·9 cites·14 claims
- 1583US6440316B1Methods of improving centrifugal filtrationVIRGINIA TECH INTELL PROP·Filed 2000·Granted Aug 27, 2002·27 cites·18 claims
- 1683US6320148B1Electrostatic method of separating particulate materialsFiled 1999·Granted Nov 20, 2001·61 cites·17 claims
- 1782US8007754B2Separation of diamond from gangue mineralsMINERAL AND COAL TECHNOLOGIES INC·Filed 2006·Granted Aug 30, 2011·12 cites·16 claims
- 1881US5814210AApparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubblesVIRGINIA TECH INTELL PROP·Filed 1996·Granted Sep 29, 1998·68 cites·13 claims
- 1979US10561964B2Apparatus for dewatering and demineralization of fine particlesVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2017·Granted Feb 18, 2020·1 cites·16 claims
- 2079US5458786AMethod for dewatering fine coalINNOVATIVE TECH CENTER·Filed 1994·Granted Oct 17, 1995·39 cites·4 claims
- 2176US8398947B2Separation of diamond from gangue mineralsYOON ROE HOAN·Filed 2011·Granted Mar 19, 2013·3 cites·11 claims
- 2276US2024417827A1Methods for extracting rare earth elements from ion-adsorption claysVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2024·Application pending·0 cites
- 2374US9266121B2Flotation machine rotorVIRGINIA TECH INTELL PROP·Filed 2013·Granted Feb 23, 2016·4 cites·10 claims
- 2472US5396260AVideo instrumentation for the analysis of mineral content in ores and coalINNOVATIVE TECH CENTER·Filed 1992·Granted Mar 7, 1995·35 cites·24 claims
- 2568US10913912B2Methods for separating and dewatering fine particlesVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2019·Granted Feb 9, 2021·0 cites·19 claims
- 2667US11752451B2Method for dewatering and demineralization of fine particlesVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2020·Granted Sep 12, 2023·0 cites·4 claims
- 2767US10457883B2Method of separating and de-watering fine particlesVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2016·Granted Oct 29, 2019·0 cites·3 claims
- 2867US10144012B2Methods of increasing flotation rateYOON ROE HOAN·Filed 2008·Granted Dec 4, 2018·2 cites·14 claims
- 2967US2024367180A1Increasing flotation recovery and throughputVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2022·Application pending·0 cites
- 3063US2024368734A1Methods for extracting rare earth elements from rare earth element sourcesVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2021·Application pending·0 cites
- 3161US5522510AApparatus for improved ash and sulfur rejectionVIRGINIA TECH INTELL PROP·Filed 1993·Granted Jun 4, 1996·21 cites·9 claims
- 3260US9238231B2Flotation machine rotorYOON ROE-HOAN·Filed 2012·Granted Jan 19, 2016·1 cites·22 claims
- 3359US2005139551A1Methods of enhancing fine particle dewateringFiled 2005·Application pending·0 cites
- 3456US5587085AMethod for dewatering particlesVIRGINIA TECH INTELL PROP·Filed 1995·Granted Dec 24, 1996·18 cites·5 claims
- 3555US10562038B2Cleaning and dewatering fine coalVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2017·Granted Feb 18, 2020·0 cites·16 claims
- 3651US2005167340A1Methods of increasing flotation rateFiled 2005·Application pending·0 cites
- 3751US2022010226A1Methods for Separating and Dewatering Fine ParticlesVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2021·Application pending·0 cites
- 3844US11331676B2Cleaning and dewatering fine coalVIRGINIA TECH INTELLECTUAL PROPERTIES INC·Filed 2020·Granted May 17, 2022·0 cites·11 claims
- 3943US2005183793A1Method of improving the performance of organic coatings for corrosion resistanceFiled 2004·Application pending·0 cites
- 4024US4655896AApparatus for ferric ion treatment for removal of ash-forming mineral matter from coalYOON ROE HOAN·Filed 1986·Granted Apr 7, 1987·2 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Roe-Hoan Yoon files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →