Issued Patents All Time
Showing 26–50 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909330 | Method and apparatus to fill and fire proof holes in concrete floors | Gerald R. Gray | 2018-03-06 |
| 9765541 | Method and apparatus to fill and fire proof holes in concrete floors | Gerald R. Gray | 2017-09-19 |
| 9553517 | Hybrid energy storage system and methods | — | 2017-01-24 |
| 9366044 | Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug | Gerald R. Gray | 2016-06-14 |
| 9355770 | Transformer with improved power handling capacity | Jack Aaron, Herbert Shapiro | 2016-05-31 |
| 9316009 | Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug | Gerald R. Gray | 2016-04-19 |
| 9312699 | Island grid power supply apparatus and methods using energy storage for transient stabilization | Pasi Taimela, Tony Olivo, Doug Moorehead | 2016-04-12 |
| 9166445 | AC power supply apparatus and methods providing variable voltage waveforms for load transient conditions | — | 2015-10-20 |
| 9145696 | Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug | Gerald R. Gray | 2015-09-29 |
| 9036315 | High voltage electronic switches for controlling direct current arcs in high voltage direct current systems and methods of operating the same | — | 2015-05-19 |
| 8959863 | Method and apparatus to fill and fire proof holes in concrete floors of commercial buildings utilizing a precast plug | Gerald R. Gray | 2015-02-24 |
| 8935532 | Content distribution and aggregation | Samir Mittal, Priyadarshee Deeptarag Mathur, Christopher Ashley Wells | 2015-01-13 |
| 8914480 | Method and device for transparent interception of socket connections | Peter Frederico Jones, Mark B. Jorgenson, William Michael Bova, Erin Irene Hayhoe | 2014-12-16 |
| 8717728 | High voltage electronic switches for controlling direct current arcs in high voltage direct current systems and methods of operating the same | — | 2014-05-06 |
| 8659187 | Uninterruptible power supply systems and methods supporting load balancing | — | 2014-02-25 |
| 8587929 | High density uninterruptible power supplies and related systems and power distribution units | — | 2013-11-19 |
| 8415828 | Power supply loading indicators and methods | Dinesh Shah | 2013-04-09 |
| 8410638 | Uninterruptible power supply systems and methods supporting load balancing | — | 2013-04-02 |
| 8362647 | Uninterruptible power supply systems and methods supporting high-efficiency bypassed operation with a variably available power source | Jason Scott Anderson, George Arthur Navarro | 2013-01-29 |
| 8025437 | Temperature monitoring in uninterruptible power supply systems using synthetic loading | — | 2011-09-27 |
| 7969265 | Zigzag autotransformer apparatus and methods | — | 2011-06-28 |
| 7859376 | Zigzag autotransformer apparatus and methods | — | 2010-12-28 |
| 7760516 | Modular UPS systems and methods using modular interconnect assemblies | Lennart Jonsson | 2010-07-20 |
| 7723863 | Power systems and methods using an uniterruptible power supply to transition to generator-powered operation | Ian T. Wallace, Rune Lennart Jonsson, David Glenn Loucks, Timothy Hedquist | 2010-05-25 |
| 7660040 | Diffuse reflective article | Adam Starry, William John Gambogi, Jr., Edwin James Lightfoot, Hyunkook Shin, Robert Smith-Gillespie +1 more | 2010-02-09 |