Yoon; Roe-Hoan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yoon; Roe-Hoan.The latest application filed is for "methods for separating and dewatering fine particles".

Company Profile

5.32.23

Yoon; Roe-Hoan - Blacksburg VA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Cleaning and dewatering fine coal Grant 11,331,676 - Yoon , et al. May 17, 2	2022-05-17
Methods for Separating and Dewatering Fine Particles App 20220010226 - Yoon; Roe-Hoan	2022-01-13
Methods for separating and dewatering fine particles Grant 10,913,912 - Yoon February 9, 2	2021-02-09
Cleaning and Dewatering Fine Coal App 20200179941 - Yoon; Roe-Hoan ; et al.	2020-06-11
Apparatus for Dewatering and Demineralization of Fine Particles App 20200179821 - Yoon; Roe-Hoan ; et al.	2020-06-11
Apparatus for dewatering and demineralization of fine particles Grant 10,561,964 - Yoon , et al. Feb	2020-02-18
Cleaning and dewatering fine coal Grant 10,562,038 - Yoon , et al. Feb	2020-02-18
Methods for Separating and Dewatering Fine Particles App 20190338209 - Yoon; Roe-Hoan	2019-11-07
Method of separating and de-watering fine particles Grant 10,457,883 - Yoon Oc	2019-10-29
Methods of increasing flotation rate Grant 10,144,012 - Yoon De	2018-12-04
Apparatus for Dewatering and Demineralization of Fine Particles App 20180036651 - Yoon; Roe-Hoan ; et al.	2018-02-08
Cleaning and Dewatering Fine Coal App 20180036741 - Yoon; Roe-Hoan ; et al.	2018-02-08
Cleaning and dewatering fine coal Grant 9,789,492 - Yoon , et al. October 17, 2	2017-10-17
Method Of Separating And De-watering Fine Particles App 20170101597 - YOON; Roe-Hoan	2017-04-13
Method of separating and de-watering fine particles Grant 9,518,241 - Yoon December 13, 2	2016-12-13
Flotation machine rotor Grant 9,266,121 - Yoon , et al. February 23, 2	2016-02-23
Flotation machine rotor Grant 9,238,231 - Yoon , et al. January 19, 2	2016-01-19
Flotation Machine Rotor App 20150151309 - Yoon; Roe-Hoan ; et al.	2015-06-04
Flotation Machine Rotor App 20140001103 - Yoon; Roe-Hoan ; et al.	2014-01-02
Method Of Separating And De-watering Fine Particles App 20130340328 - YOON; Roe-Hoan	2013-12-26
Cleaning And Dewatering Fine Coal App 20130111808 - Yoon; Roe-Hoan ; et al.	2013-05-09
Separation of diamond from gangue minerals Grant 8,398,947 - Yoon , et al. March 19, 2	2013-03-19
Separation of Diamond from Gangue Minerals App 20120076717 - Yoon; Roe Hoan ; et al.	2012-03-29
Separation of diamond from gangue minerals Grant 8,007,754 - Yoon , et al. August 30, 2	2011-08-30
Methods of enhancing fine particle dewatering Grant 7,820,058 - Yoon October 26, 2	2010-10-26
Methods of Increasing Flotation Rate App 20090008301 - Yoon; Roe-Hoan	2009-01-08
Methods of Enhancing Fine Particle Dewatering App 20080053914 - Yoon; Roe Hoan	2008-03-06
Separation of diamond from gangue minerals App 20060251566 - Yoon; Roe Hoan ; et al.	2006-11-09
Method of protecting metals from corrosion using thiol compounds App 20050186347 - Kim, Hyung-Joon ; et al.	2005-08-25
Method of improving the performance of organic coatings for corrosion resistance App 20050183793 - Kim, Hyung-Joon ; et al.	2005-08-25
Methods of increasing flotation rate App 20050167340 - Yoon, Roe-Hoan	2005-08-04
Methods of enhancing fine particle dewatering App 20050139551 - Yoon, Roe-Hoan	2005-06-30
Methods of increasing flotation rate Grant 6,871,743 - Yoon March 29, 2	2005-03-29
Methods of enhancing fine particle dewatering Grant 6,855,260 - Yoon February 15, 2	2005-02-15
Method of increasing flotation rate Grant 6,799,682 - Yoon October 5, 2	2004-10-05
Methodsof increasing flotation rate App 20030146134 - Yoon, Roe-Hoan	2003-08-07
Methods of using natural products as dewatering aids for fine particles Grant 6,526,675 - Yoon March 4, 2	2003-03-04
Methods of using modified natural products as dewatering aids for fine particles Grant 6,375,853 - Yoon April 23, 2	2002-04-23
Electrostatic method of separating particulate materials Grant 6,320,148 - Yoon , et al. November 20, 2	2001-11-20
Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles Grant 5,814,210 - Yoon , et al. September 29, 1	1998-09-29
Chemical-mechanical dewatering process Grant 5,670,056 - Yoon , et al. September 23, 1	1997-09-23
Method for dewatering fine coal Grant 5,458,786 - Yoon , et al. October 17, 1	1995-10-17
Apparatus for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles Grant 5,397,001 - Yoon , et al. March 14, 1	1995-03-14
Apparatus and process for the separation of hydrophobic and hydrophilic particles using microbubble column flotation together with a process and apparatus for generation of microbubbles Grant 5,167,798 - Yoon , et al. December 1, 1	1992-12-01
Method for separating fine particles by selective hydrophobic coagulation Grant 5,161,694 - Yoon , et al. November 10, 1	1992-11-10
Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles Grant 4,981,582 - Yoon , et al. January 1, 1	1991-01-01
Purification of kaolin clay by froth flotation using hydroxamate collectors Grant 4,629,556 - Yoon , et al. December 16, 1	1986-12-16

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