Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8415579 | Method of assembling a vacuum switchgear assembly | Frank John Muench, Michael Patrick Culhane, Brian Todd Steinbrecher, Paul N. Stoving, John Mitchell Makal | 2013-04-09 |
| 8328569 | Adapter for coupling a deadbreak bushing to a deadbreak arrestor elbow | David Charles Hughes | 2012-12-11 |
| 7958631 | Method of using an extender for a separable insulated connector | David Charles Hughes | 2011-06-14 |
| 7946870 | Separable insulated connector system | David Charles Hughes | 2011-05-24 |
| 7909635 | Jacket sleeve with grippable tabs for a cable connector | David Charles Hughes, John Mitchell Makal, Michael John Gebhard, Sr. | 2011-03-22 |
| 7883356 | Jacket sleeve with grippable tabs for a cable connector | David Charles Hughes, John Mitchell Makal, Michael John Gebhard, Sr. | 2011-02-08 |
| 7878849 | Extender for a separable insulated connector | David Charles Hughes | 2011-02-01 |
| 7870668 | Method for connecting an electrical connector to a cable connector | David Charles Hughes, John Mitchell Makal | 2011-01-18 |
| 7862354 | Separable loadbreak connector and system for reducing damage due to fault closure | David Charles Hughes | 2011-01-04 |
| 7854620 | Shield housing for a separable connector | David Charles Hughes | 2010-12-21 |
| 7811109 | Separable loadbreak connector with a conductive tube and a conductive piston | David Charles Hughes | 2010-10-12 |
| 7666012 | Separable loadbreak connector for making or breaking an energized connection in a power distribution network | David Charles Hughes | 2010-02-23 |
| 7661979 | Jacket sleeve with grippable tabs for a cable connector | David Charles Hughes, John Mitchell Makal, Michael John Gebhard, Sr. | 2010-02-16 |
| 7632120 | Separable loadbreak connector and system with shock absorbent fault closure stop | David Charles Hughes | 2009-12-15 |
| 7568927 | Separable insulated connector system | David Charles Hughes | 2009-08-04 |
| 7491075 | Electrical connector | David Charles Hughes, John Mitchell Makal | 2009-02-17 |
| 7488916 | Vacuum switchgear assembly, system and method | Frank John Muench, Michael Patrick Culhane, Brian Todd Steinbrecher, Paul N. Stoving, John Mitchell Makal | 2009-02-10 |
| 7341468 | Separable loadbreak connector and system with shock absorbent fault closure stop | David Charles Hughes | 2008-03-11 |
| 7134889 | Separable insulated connector and method | David Charles Hughes | 2006-11-14 |
| 5525069 | Electrical Connector | Russell John Lenz, Todd K. Knapp | 1996-06-11 |
| 5445533 | Electrical connector | Russell John Lenz, Todd K. Knapp | 1995-08-29 |
| 5427538 | Electrical connecting system | Todd K. Knapp, Frank John Muench, Henry Allan Hecker, John Mitchell Makal, David Brucker +1 more | 1995-06-27 |
| 5277605 | Electrical connector | Russell John Lenz, Todd K. Knapp | 1994-01-11 |
| 5230142 | Operating and torque tool | — | 1993-07-27 |
| 5221220 | Standoff bushing assembly | — | 1993-06-22 |