Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10669001 | Hybrid electrical and mechanical propulsion and energy system for a ship | John M. Ulliman, Bruce Gamble, Stephen I. Callis | 2020-06-02 |
| 10193340 | Multi-level cascaded H-bridge STATCOM circulating cooling fluid within enclosure | Andrew Specht, John R. Brubaker, Mark D. Putnam, David G. Oteman, Patrick S. Flannery | 2019-01-29 |
| 9172312 | Reducing photovoltaic array voltage during inverter re-enablement | Kleber V. C. Facchini, Ajith H. Wijenayake, Gary J. Bowers | 2015-10-27 |
| 8886267 | Fault current limiting HTS cable and method of configuring same | James Maguire, Jie Yuan, Alexis P. Malozemoff | 2014-11-11 |
| 8532725 | Parallel connected HTS utility device and method of using same | James Maguire, Jie Yuan, Alexis P. Malozemoff | 2013-09-10 |
| 8189324 | Power electronic assembly with slotted heatsink | — | 2012-05-29 |
| 8120932 | Low voltage ride through | David J. Gritter, Michael P. Ross | 2012-02-21 |
| 7989983 | Power conversion systems | Arnold P. Kehrli | 2011-08-02 |
| 7902461 | Fault current limiting HTS cable and method of configuring same | James Maguire, Jie Yuan, Alexis P. Malozemoff | 2011-03-08 |
| 7724482 | Parallel HTS transformer device | James Maguire, Jie Yuan, Alexis P. Malozemoff | 2010-05-25 |
| RE41170 | Voltage regulation of a utility power network | Thomas Hubert, Warren Elliott Buckles | 2010-03-30 |
| 7674751 | Fabrication of sealed high temperature superconductor wires | Alexis P. Malozemoff, Martin W. Rupich | 2010-03-09 |
| 7567160 | Supplementary transformer cooling in a reactive power compensation system | Gary J. Bowers | 2009-07-28 |
| 7265521 | Reactive power compensation to minimize step voltage changes and transients | Arnold P. Kehrli, John A. Diaz De Leon, II | 2007-09-04 |
| 7091703 | Dynamic reactive compensation system and method | William Vareka, Arnold P. Kehrli, John A. Diaz De Leon, II | 2006-08-15 |
| 6987331 | Voltage recovery device for use with a utility power network | Paul F. Koeppe, Arnold P. Kehrli, Donald L. Brown, Warren Elliott Buckles, John A. Diaz De Leon, II | 2006-01-17 |
| 6906434 | Electric utility system with superconducting magnetic energy storage | Paul F. Koeppe, Arnold P. Kehrli, John A. Diaz De Leon, II, Donald L. Brown, Warren Elliott Buckles | 2005-06-14 |
| 6900619 | Reactive power compensation to minimize step voltage changes and transients | Arnold P. Kehrli, John A. Diaz De Leon, II | 2005-05-31 |
| 6600973 | Method and apparatus for providing power to a utility network | Thomas Hubert | 2003-07-29 |
| 6577108 | Voltage regulation of a utility power network | Thomas Hubert, Warren Elliott Buckles | 2003-06-10 |
| 6445555 | Method and apparatus for discharging a superconducting magnet | Warren Elliott Buckles | 2002-09-03 |
| 6414853 | Method and apparatus for controlling a phase angle of AC power to keep DC voltage from an energy source constant | Warren Elliott Buckles | 2002-07-02 |
| 6266260 | Inverter having center switch and uninterruptible power supply implementing same | Donald K. Zahrte, Sr., David L. Layden, Frederick A. Stich | 2001-07-24 |
| 5315533 | Back-up uninterruptible power system | Frederick A. Stich, Donald K. Zahrte, Sr., Richard V. Baxter, Jr., Thomas Hubert, Juan Manuel Medina +2 more | 1994-05-24 |
| 5302858 | Method and apparatus for providing battery charging in a backup power system | — | 1994-04-12 |