For the Inventor, By the Inventor

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Carlsbad, CA, United States of America

Energyield LLC

USPTO Granted Patents = 13

% Expired Patents = 7.7

Forward Citations = 109

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2 inventors (with patents filed for the assignee):

Robert Hotto (13 out of 49 patents)

David Perez (1 out of 2 patents)

13 patents: Sort by Forward Citations

1. 12571370 - Rotatable blade apparatus with individually adjustable blades (2026-03-10),

2. 11454212 - Rotatable blade apparatus with individually adjustable blades (2022-09-27),

3. 11444302 - Vortex tube reformer for hydrogen production, separation, and integrated use (2022-09-13),

4. 10190572 - Rotatable blade apparatus with individually adjustable blades (2019-01-29),

5. 9913321 - Energy harvesting container (2018-03-06),

6. 9843062 - Vortex tube reformer for hydrogen production, separation, and integrated use (2017-12-12),

7. 9840413 - Integrated reformer and syngas separator (2017-12-12),

8. 9297264 - Rotatable blade apparatus with individually adjustable blades (2016-03-29),

9. 9059440 - Enhanced efficiency turbine (2015-06-16),

10. 8608441 - Rotatable blade apparatus with individually adjustable blades (2013-12-17),

11. 8201738 - Electronic voting system (2012-06-19),

12. 8047006 - Enhanced efficiency turbine (2011-11-01),

13. 7818969 - Enhanced efficiency turbine (2010-10-26),

Energyield LLC, based in Carlsbad, California, specializes in advanced energy solutions, focusing on the development of innovative technologies aimed at enhancing energy efficiency and sustainability. The company is dedicated to creating cutting-edge products and services that address the evolving needs of the energy sector. With a commitment to research and development, Energyield leverages its expertise to contribute to the transition towards cleaner energy sources and improved energy management practices.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

13 Patents

#96 in Carlsbad, CA

#5,650 in California

#23,815 in US

#44,988 in the World

Carlsbad, CA, United States of America

Energyield LLC

Forward Citations = 109

2 inventors:

Robert Hotto (13 out of 49 patents)

David Perez (1 out of 2 patents)

Please report any incorrect information to [email protected]

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