Patent assignee · US · COMPANY

Beacon Power, LLC

26Patents
10Active
26Granted
42Portfolio score

Filing activity: Jun 29, 2000 → Jul 8, 2015 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8102144B2 Power converter for a solar panel Emerging Cross-Sectional Technologies 205 Expired
US8669675B2 Power converter for a solar panel Emerging Cross-Sectional Technologies 196 Active
US6614132B2 Multiple flywheel energy storage system Electricity 82 Expired
US7834479B2 Methods and systems for intentionally isolating distributed power generation sources Electricity 81 Active
US8008804B2 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation Emerging Cross-Sectional Technologies 41 Expired
US6347925B1 Flywheel system with parallel pumping arrangement Emerging Cross-Sectional Technologies 41 Expired
US6959756B2 Device for cooling a bearing; flywheel energy storage system using such a bearing cooling device and methods related thereto Electricity 29 Expired
US7679245B2 Repulsive lift systems, flywheel energy storage systems utilizing such systems and methods related thereto Emerging Cross-Sectional Technologies 22 Expired
US6817266B1 Stiff metal hub for an energy storage rotor Emerging Cross-Sectional Technologies 21 Expired
US6675872B2 Heat energy dissipation device for a flywheel energy storage system (FESS), an FESS with such a dissipation device and methods for dissipating heat energy Emerging Cross-Sectional Technologies 21 Expired
US6747378B2 Dual stiffness bearing damping system Emerging Cross-Sectional Technologies 21 Expired
US6884039B2 Flywheel system with parallel pumping arrangement Emerging Cross-Sectional Technologies 19 Expired
US6852401B2 Composite flywheel rim with co-mingled fiber layers and methods for manufacturing same Emerging Cross-Sectional Technologies 18 Expired
US6824861B2 Composite flywheel rim with co-mingled fiber layers and methods for manufacturing same Emerging Cross-Sectional Technologies 18 Expired
US7174806B2 Flexible bearing damping system, energy storage system using such a system, and a method related thereto Emerging Cross-Sectional Technologies 17 Expired
US7679247B2 Lift magnet mechanism for flywheel power storage systems Emerging Cross-Sectional Technologies 17 Active
US7034420B2 Crash management system for implementation in flywheel systems Emerging Cross-Sectional Technologies 17 Expired
US6741007B2 Permanent magnet motor assembly having a device and method of reducing parasitic losses Electricity 16 Expired
US7830055B2 Hybrid touchdown bearing system Emerging Cross-Sectional Technologies 13 Active
US7365461B2 Crash management system for implementation in flywheel systems Emerging Cross-Sectional Technologies 11 Expired
US9847641B2 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation Emerging Cross-Sectional Technologies 10 Active
US8791613B2 Advanced flywheel and method Emerging Cross-Sectional Technologies 10 Active
US8314527B2 Advanced flywheel and method Emerging Cross-Sectional Technologies 8 Active
US9267570B2 Advanced flywheel hub and method Emerging Cross-Sectional Technologies 7 Active
US9065295B2 Methods, systems and apparatus for regulating frequency of generated power using flywheel energy storage systems with varying load and/or power generation Emerging Cross-Sectional Technologies 7 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.