Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143538 | Rotary gas meter with flange connection | Andrew Smich, Xinmin Wang | 2021-10-12 |
| 10718650 | Rotary gas meter with flange connection | Andrew Smich, Xinmin Wang | 2020-07-21 |
| 9658093 | Measurement device for water exchanges across water/sediment interface | Ji Hoon Lee, Heesung Yoon, Eunhee Lee | 2017-05-23 |
| 9658147 | Apparatus for measuring saturated hydraulic conductivity of unsaturated porous media | Ji Hoon Lee | 2017-05-23 |
| 9274039 | Permeameter for in-situ measurement of saturated hydraulic conductivity | — | 2016-03-01 |
| 8650948 | Automatic seepage meter | Kyung Seok Ko | 2014-02-18 |
| 8596149 | Sequential sampler for runoff water | Yong-je Kim | 2013-12-03 |
| 8522629 | Sequential groundwater sampler and sampling method thereof | Yong-je Kim | 2013-09-03 |
| 8429986 | Apparatus and method for groundwater sampling using hydraulic couplers | Kyung Seok Ko | 2013-04-30 |
| 8302464 | Automatic sequential sampler for roof-top runoff of rainwater | Yong Cheol Kim, Sang-Ho Moon, Ki Hwa Park, Byoung-Woo YUM | 2012-11-06 |
| 8113279 | Apparatus and method for instantaneously injecting tracer for groundwater well | Yong Cheol Kim, Yong-je Kim | 2012-02-14 |
| 7392719 | Devices and methods for sampling groundwater | Tae Hee Kim, Yong-je Kim | 2008-07-01 |