Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404831 | Thermal energy storage system including a plurality of vessels each having hot and cold liquid portions separated by a floating piston | Troy O. McBride, Joel Stettenheim, Per Erik Kristoffer Edstrom, Lief Johnson, Oliver James Brambles | 2025-09-02 |
| 12000369 | Thermal energy storage system including a plurality of vessels each having hot and cold liquid portions separated by a floating piston | Troy O. McBride, Joel Stettenheim, Per Erik Kristoffer Edstrom, Leif Kilkenny Johnson, Oliver James Brambles | 2024-06-04 |
| 11578693 | Thermal energy storage system including a vessel having hot and cold liquid portions separated by floating piston | Troy O. McBride, Joel Stettenheim, Oliver James Brambles, Leif Kilkenny Johnson, Per Erik Kristoffer Edstrom | 2023-02-14 |
| 11543191 | Thermal energy storage system with parallel connected vessels | Troy O. McBride, Joel Stettenheim, Oliver James Brambles, Leif Kilkenny Johnson, Per Erik Kristoffer Edstrom | 2023-01-03 |
| 11519504 | Piston ring for floating piston in a thermal energy storage system | Troy O. McBride, Joel Stettenheim, Oliver James Brambles, Leif Kilkenny Johnson, Per Erik Kristoffer Edstrom | 2022-12-06 |
| 11493281 | Floating separator piston for a thermal energy storage system | Troy O. McBride, Joel Stettenheim, Oliver James Brambles, Leif Kilkenny Johnson, Per Erik Kristoffer Edstrom | 2022-11-08 |
| 9515529 | Method and apparatus for permanent magnet attachment in an electromechanical machine | Mark S. Piercey, Peter Mongeau | 2016-12-06 |
| 8890349 | Load reduction system and method for a wind power unit | Garrett L. Bywaters | 2014-11-18 |
| 8816546 | Electromagnetic rotary machines having modular active-coil portions and modules for such machines | Garrett L. Bywaters, Trevor H. Cole, Jeffrey K. Petter | 2014-08-26 |
| 8664819 | Method and apparatus for permanent magnet attachment in an electromechanical machine | Mark S. Piercey, Peter Mongeau, Thomas Kohler, Paul A. Smith | 2014-03-04 |
| 8454309 | Wind turbine/generator set and method of making same | Christopher Bevington, Garrett L. Bywaters, Clint Coleman, Daniel P. Costin, William Danforth +1 more | 2013-06-04 |
| 8308430 | Wind turbine/generator set having a stator cooling system located between stator frame and active coils | Christopher Bevington, Garrett L. Bywaters, Clint Coleman, Daniel P. Costin, William Danforth +1 more | 2012-11-13 |
| 7891941 | Wind turbine having a direct-drive drivetrain | Christopher Bevington, Garrett L. Bywaters, Clint Coleman, Daniel P. Costin, William Danforth +1 more | 2011-02-22 |
| 7431567 | Wind turbine having a direct-drive drivetrain | Christopher Bevington, Garrett L. Bywaters, Clint Coleman, Daniel P. Costin, William Danforth +1 more | 2008-10-07 |
| 7145266 | Parallel-connected inverters with separate controllers having impedance current regulators | Jeffrey K. Petter | 2006-12-05 |
| 6693409 | Control system for a power converter and method of controlling operation of a power converter | Jeffrey K. Petter | 2004-02-17 |