loadpatents
Patent applications and USPTO patent grants for HAN; Dae Gon.The latest application filed is for "air purification device".
Patent | Date |
---|---|
Air Purification Device App 20210231322 - HAN; Dae Gon | 2021-07-29 |
Air cleaning device Grant 10,888,812 - Han January 12, 2 | 2021-01-12 |
Air Cleaning Device App 20200269177 - HAN; Dae Gon | 2020-08-27 |
Air purifying apparatus using microwaves Grant 9,220,801 - Lee December 29, 2 | 2015-12-29 |
Air Purifying Apparatus Using Microwaves App 20150004063 - LEE; Yeon Su | 2015-01-01 |
Gathering method and apparatus of powder separated soluble component Grant 7,799,236 - Moon , et al. September 21, 2 | 2010-09-21 |
Process For Preparation Of Silicon Carbide Segment For Honeycomb Ceramic Filter App 20100180562 - Kong; Young Min ;   et al. | 2010-07-22 |
Method for preparing ceramic filter and ceramic filter prepared by the same Grant 7,753,983 - Choi , et al. July 13, 2 | 2010-07-13 |
Method for preparing single crystalline cerium oxide powders Grant 7,473,408 - Noh , et al. January 6, 2 | 2009-01-06 |
Gathering method and apparatus of powder separated soluble component App 20070045200 - Moon; Won Jae ;   et al. | 2007-03-01 |
Method for preparing ceramic filter and ceramic filter prepared by the same App 20070017196 - Choi; Jong Sik ;   et al. | 2007-01-25 |
Method for preparing .alpha.-alumina nano powder Grant 7,115,243 - Hong , et al. October 3, 2 | 2006-10-03 |
Method for preparing of alpha-alumina nano powder App 20050106096 - Hong, Hye-Jeong ;   et al. | 2005-05-19 |
Method for preparing single crystalline cerium oxide powders App 20040241070 - Noh, Jun-Seok ;   et al. | 2004-12-02 |
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