Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368303 | Converting variable renewable energy to constant frequency electricity by voltage-controlled speed converter | — | 2025-07-22 |
| 11111898 | Voltage converter-controlled damless hydrokinetic river turbines | — | 2021-09-07 |
| 10982645 | River and tidal turbine with power control | — | 2021-04-20 |
| 10948058 | Electro-magnetic ratchet control apparatus and method | — | 2021-03-16 |
| 10947956 | Expandable power marine hydrokinetic turbines, pumps, compressors and transmissions | — | 2021-03-16 |
| 10941749 | Speed converter-controlled river turbines | — | 2021-03-09 |
| 10815968 | Concentric wing turbines | — | 2020-10-27 |
| 10670116 | Control apparatus and method for variable renewable energy | — | 2020-06-02 |
| 10378506 | Commutator-less and brush-less direct current generator and applications for generating power to an electric power system | — | 2019-08-13 |
| 9912209 | Renewable energy marine hydrokinetic or wind turbine | — | 2018-03-06 |
| 9506534 | Three variable and four variable transgear assemblies | — | 2016-11-29 |
| 9490736 | Adjustable assembly of rotor and stator and applications thereof with a variable power generator | — | 2016-11-08 |
| 9476401 | Marine hydrokinetic turbine | — | 2016-10-25 |
| 9371775 | One-stroke internal combustion engine | — | 2016-06-21 |
| 9303733 | Three variable and four variable transgear assemblies | — | 2016-04-05 |
| 9169772 | One-stroke internal combustion engine | — | 2015-10-27 |
| 9151269 | Run-of-the-river or ocean current turbine | — | 2015-10-06 |
| 9017208 | Infinitely variable motion control (IVMC) for generators, transmissions and pumps/compressors | — | 2015-04-28 |
| 8992370 | Infinitely variable pumps and compressors | — | 2015-03-31 |
| 8986149 | Infinitely variable direction control | — | 2015-03-24 |
| 8702552 | Infinitely variable motion control (IVMC) for a transmission with a differential | — | 2014-04-22 |
| 8641570 | Infinitely variable motion control (IVMC) for generators, transmissions and pumps/compressors | — | 2014-02-04 |
| 8485933 | Infinitely variable motion control (IVMC) for river turbines | — | 2013-07-16 |
| 8388481 | System and method for providing a constant output from a variable flow input | — | 2013-03-05 |
| 7873360 | Soft handoff system, mobile terminal having the same, and soft handoff method | Young Jin Park | 2011-01-18 |