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| Number | Title | Issue Date |
| 7671480 | Systems and methods for remote utility metering and meter monitoring A system and method for generating and harvesting energy in response to the flow of water through rotating device, such as a nutating or oscillating disk. Mechanical energy from flow of water is converted into electrical energy via an energy conversion unit. For exa... | 03/02/2010 |
| 7605485 | Systems and methods for generating power through the flow of water A system and method for generating and harvesting energy in response to the flow of water through rotating device, such as a nutating or oscillating disk. Mechanical energy from flow of water is converted into electrical energy via an energy conversion unit. For exa... | 10/20/2009 |
