Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11502726 | Coaxial cable power signal distribution systems and methods | Joseph Daniel Vignola, Pankaj H. Bhatt | 2022-11-15 |
| 11322974 | Ferroresonant transformer systems and methods | James Richardson, Litcho Datzov | 2022-05-03 |
| 11005289 | Switching systems and methods for use in uninterruptible power supplies | James Richardson | 2021-05-11 |
| 10879731 | Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies | Pankaj H. Bhatt, Thomas Patrick Newberry | 2020-12-29 |
| 10873207 | Charge equalization systems and methods for battery systems and uninterruptible power supplies | James Joseph Heidenreich, Michael A. Haass, Seth William Jennings | 2020-12-22 |
| 10819144 | Ferroresonant transformer for use in uninterruptible power supplies | James Richardson, Litcho Datzov | 2020-10-27 |
| 10635122 | Voltage regulated AC power supply systems and methods | — | 2020-04-28 |
| 10381867 | Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies | Pankaj H. Bhatt, Thomas Patrick Newberry | 2019-08-13 |
| 10355521 | Switching systems and methods for use in uninterruptible power supplies | James Richardson | 2019-07-16 |
| 10312728 | Charge equalization systems and methods for battery systems and uninterruptible power supplies | James Joseph Heidenreich, Michael A. Haass, Seth William Jennings | 2019-06-04 |
| 10103571 | Uninterruptible power supplies for use in a distributed network | James Joseph Heidenreich, Ronald Jay Roybal, Pankaj H. Bhatt | 2018-10-16 |
| 9853497 | Charge equalization systems and methods for battery systems and uninterruptible power supplies | James Joseph Heidenreich, Michael A. Haass, Seth William Jennings | 2017-12-26 |
| 9812900 | Switching systems and methods for use in uninterruptible power supplies | James Richardson | 2017-11-07 |
| 9633781 | Ferroresonant transformer for use in uninterruptible power supplies | James Richardson, Litcho Datzov | 2017-04-25 |
| 9397509 | Charge equalization systems and methods for battery systems and uninterruptible power supplies | James Joseph Heidenreich, Michael A. Haass, Seth William Jennings | 2016-07-19 |
| 9312726 | Uninterruptible power supplies for use in a distributed network | James Joseph Heidenreich, Ronald Jay Roybal, Pankaj H. Bhatt | 2016-04-12 |
| 8575779 | Ferroresonant transformer for use in uninterruptible power supplies | James Richardson, Litcho Datzov | 2013-11-05 |
| 7182632 | Connection systems and methods for utility meters | Richard Johnson, David A. Barany | 2007-02-27 |
| 7040920 | Connection systems and methods for utility meters | Richard Johnson, David A. Barany | 2006-05-09 |
| 6841971 | Charge balancing systems and methods | Rene Spee, Seth William Jennings | 2005-01-11 |
| 6602627 | Uninterruptible power supplies using fuel cells | Frank Liu, Paul Humphreys, Thomas H. Sloane | 2003-08-05 |