Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10495018 | Method for defining learning area of injector opening duration control | — | 2019-12-03 |
| 8434373 | Cone type venturi integrated valve device | Philip A. Lawrence, Bong Ku Kim, Jin-Ho Seol | 2013-05-07 |
| 8191181 | Detection system for toilet unit for use in a supine position | Minoru Nakamura, Hyun Ok Do | 2012-06-05 |
| 6416566 | Process for the production of liquid pig iron or liquid steel pre-products | Werner Kepplinger, Felix Wallner, Johannes Schenk, Il Ock Lee, Moon Duk Park | 2002-07-09 |
| 6224819 | Fluidized bed type reducing system for reducing fine iron ore | Il Ock Lee, Hang Goo Kim | 2001-05-01 |
| 6030432 | Process for reducing ore fines and arrangement for carrying out the process | Werner Kepplinger, Felix Wallner, Johannes-Leopold Schnek, Udo Gennari, Il Ock Lee +1 more | 2000-02-29 |
| 5897829 | Apparatus for reducing fine iron ore | Hang Goo Kim, Il Ock Lee, Uoo Chang Chung | 1999-04-27 |
| 5785733 | Fluidized bed type reduction apparatus for iron ore particles and method for reducing iron ore particles using the apparatus | Il Ock Lee, Bong Jin Jung, Hang Goo Kim, Franz Hauzenberger | 1998-07-28 |
| 5762681 | Fluidized bed type reduction apparatus for iron ores and method for reducing iron ores using the apparatus | Il Ock Lee, Hang Goo Kim, Bong Jin Jung, Uoo Chang Chung, Werner Kepplinger +2 more | 1998-06-09 |
| 5316031 | Valve with independent control of discharge through plurality of orifices | Carl L. Brazelton | 1994-05-31 |
| 5135968 | Methods and apparatus for treating wastewater | Carl L. Brazelton | 1992-08-04 |