Research and Development
- Registration Number 5444104
Trademark registration “STREAM” -7- waterpower generator
- Hydroelectic Power Device
Patent No.4817471
-Date of Patent:18th May,2011 - Run-of-river ultra low head micro hydro turbine system comprised of vertical dual axes cross flow turbine and guide vanes to control water quantity
- Hydroelectic Power Device
Patent No.4022244
-Date of Patent:6th April,2007 - Run-of-river ultra low head micro hydro turbine system comprised of vertical dual axes cross flow turbine.
- Water gate-style small hydroelectric generation system
Patent No.4134277
-Date of Patent:31 March,2008 - Small hydroelectric generation system which utilizes head drop made by water level of the water gate.
Attached to the new/existing gate, it generates electricity with head drop made by opening and shutting of the water gate.
- Small hydro power generation system with control gate for low head waterway
Patent No.4134277
-Date of Patent:31 March,2008 - Small hydropower generation system which generates electricity with small head drop of waterway by catching water with control gate effectively.
- The reclaimed water convey system which sprinks water to suppress the heat island phenomenon utilizing buried sewer
Patent No.4134278
-Date of Patent:31 March,2008 - The reclaimed water convey system which sprinks water to suppress the heat island phenomenon utilizing buried sewer pipes .
- Wind Turbine System for Generating Electricity from Wind Energy
Patent No. US 7,980,810 B2
-Date of Patent: Jul.19,2011 - The wind-power generator that changes shape by change of the wind
A lift-type wind turbine having a substantially vertical rotating shaft and a plurality of substantially vertical blades secured to the shaft.
List of Patent Overseas
Hydro Power Generation System : No.4022244
| Country Name | Patent No. |
|---|---|
| Korea | 10-2009-7002364 |
| India | 192/KOLNP/2009 |
| Canada | 2.683，450 |
| The United States | 12/444，782 |
| Australia | 2008239143 |
| Brazil | 0818273-1 |
| China | 200880000734.2 |
| E.U. | 8739869.9NO |
Hydro Power Generation System : No.4022244
| Country Name | Patent No. |
|---|---|
| Korea | 10-2012-7003014 |
| Mexio | MX/a/2012/003965 |
| Russia | 2012113641 |
| Vietnam | 1-2012-00910 |
| The Philippines | 1-2012-500539 |
| Indonesia | W00201201080 |
| India | 2560/DELNP/2012 |
| Canada | ——– |
| Taiwan | 101101846 |
| Country Name | Patent No. |
| The United States | 13/390，363 |
| Australia | 2011292911 |
| Brazil | BR1120120070681 |
| Peru | ——– |
| Malaysia | PI2012001257 |
| Laos | PT185 |
| Thailand | 1201001516 |
| Colombia | 12-054353 |
| China | 201180002871.1 |
| E.U. | 11815430.1 |
