Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415579 | Method of assembling a vacuum switchgear assembly | Frank John Muench, Michael Patrick Culhane, Paul N. Stoving, John Mitchell Makal, Paul Michael Roscizewski | 2013-04-09 |
| 8081054 | Hyper-cooled liquid-filled transformer | Joseph J. Guentert, III | 2011-12-20 |
| 8038457 | Separable electrical connector with reduced risk of flashover | David Charles Hughes | 2011-10-18 |
| 7950939 | Medium voltage separable insulated energized break connector | David Charles Hughes, John Mitchell Makal, Frank John Muench | 2011-05-31 |
| 7731514 | Actuating device for separable connector system | David Charles Hughes | 2010-06-08 |
| 7633741 | Switchgear bus support system and method | David Charles Hughes, Dan Wycklendt, Timothy A. Myers | 2009-12-15 |
| 7572133 | Separable loadbreak connector and system | David Charles Hughes | 2009-08-11 |
| 7488916 | Vacuum switchgear assembly, system and method | Frank John Muench, Michael Patrick Culhane, Paul N. Stoving, John Mitchell Makal, Paul Michael Roscizewski | 2009-02-10 |
| 7413455 | Electrical connector assembly | David Charles Hughes, Allen L. Johnson | 2008-08-19 |
| 7384287 | Apparatus, system and methods for deadfront visible loadbreak | David Charles Hughes | 2008-06-10 |
| 7278889 | Switchgear using modular push-on deadfront bus bar system | Frank John Muench | 2007-10-09 |
| 7182647 | Visible break assembly including a window to view a power connection | Frank John Muench, Edine Mary Heinig, David Charles Hughes | 2007-02-27 |
| 7160142 | Grounding clamp apparatus and method | David Charles Hughes | 2007-01-09 |
| 6744255 | Grounding device for electric power distribution systems | Frank John Muench, John Mitchell Makal, David Charles Hughes | 2004-06-01 |