Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9384928 | Electrical switching apparatus including transductor circuit and alternating current electronic trip circuit | Xin Zhou, James L. Lagree | 2016-07-05 |
| 8253044 | Configurable electrical switching apparatus including a plurality of separable contacts and a plurality of field-configurable jumpers to provide a number of poles | Xin Zhou | 2012-08-28 |
| 8247727 | Arc chamber employing a number of gassing inserts to form a number of gas flow circulation paths and electrical switching apparatus including the same | Xin Zhou, Paul J. Rollmann, Robert W. Mueller | 2012-08-21 |
| 8222983 | Single direct current arc chamber, and bi-directional direct current electrical switching apparatus employing the same | Xin Zhou, Mark A. Juds, Naresh Kumar Kodela | 2012-07-17 |
| 8040644 | Power distribution system and electrical switching apparatus employing a filter trap circuit to provide arc fault trip coordination | Jerome K. Hastings, Xin Zhou, Joseph C. Zuercher, Thomas J. Schoepf | 2011-10-18 |
| 7862342 | Electrical interfaces including a nano-particle layer | Xin Zhou, Alaa A. Elmoursi, Javed Mapkar, James Jeffery Benke, Robert W. Mueller | 2011-01-04 |
| 7570465 | Industrial arc fault circuit interrupter and method of detecting arcing conditions | Douglas J. Carolan, Xin Zhou | 2009-08-04 |
| 7358840 | Electrical switching apparatus including a split core slot motor and method of installing a slot motor assembly in a circuit interrupter | John J. Shea, Jeffrey A. Miller, Richard Paul Malingowski | 2008-04-15 |
| 7358837 | Electrical switching apparatus and circuit breaker including a molded enclosure and machine screws reinforcing the same | Michael P. Puskar, Robert W. Mueller, Arthur D. Carothers, William M. Randal | 2008-04-15 |
| 7348514 | Slot motor and circuit breaker including the same | Michael P. Puskar, Robert W. Mueller, Paul Alan Merck, Arthur D. Carothers | 2008-03-25 |
| 7323956 | Electrical switching apparatus and trip unit including one or more fuses | Michael P. Puskar, Robert W. Mueller, Amelia M. Stay | 2008-01-29 |
| 7238909 | Circuit breaker including line conductor having bend portion to increase contact gap | — | 2007-07-03 |
| 7238910 | Crossbar assist mechanism and electrical switching apparatus employing the same | Michael P. Puskar, Robert W. Mueller, Kenneth D. Kolberg | 2007-07-03 |
| 6924721 | Gas segregator barrier for electrical switching apparatus | Farhad Afshari, David Olszewski, William Michael Crooks, William M. Randal, David K. Haag | 2005-08-02 |
| 6590481 | Fast acting, electrically powered operator for transfer switch and transfer switch incorporating same | David Turner, Jeffrey Lowell Woods, David Olszewski, Ronald Dale Hartzel | 2003-07-08 |
| 6577216 | Fast acting transfer switch with confronting power switches oppositely actuated by single coil solenoid | David Turner, Jeffrey Lowell Woods, David Olszewski | 2003-06-10 |
| 6563406 | Multi-pole circuit breaker with parallel current | Roger E. Walker | 2003-05-13 |
| 6452470 | Circuit interrupter with improved operating mechanism securement | Richard Paul Malingowski, Teresa I. Hood, Lance Gula, Craig A. Rodgers | 2002-09-17 |
| 6204465 | Circuit breaker with arc gas engaging paddles on a trip bar and/or crossbar | Lance Gula, Richard Paul Malingowski, Kathryn M. Palmer | 2001-03-20 |
| 6061217 | Electrical switching apparatus employing twice-energized trip actuator | Kurt A. Grunert, David H. Groves, David Olszewski, James P. Ellsworth, H. Richard Beck +1 more | 2000-05-09 |
| 5428196 | Flexible shaft interface for circuit interrupter | Roger W. Helms, Yu-Wei Chou | 1995-06-27 |
| 5412167 | Locking device for an electrical switch | Robert W. Mueller, Glen Charles Sisson, James Gerard Maloney, David A. Parks, Arthur D. Carothers | 1995-05-02 |
| 5394126 | Circuit breaker with improved magnetic trip assembly | Kurt A. Grunert | 1995-02-28 |
| 5341191 | Molded case current limiting circuit breaker | Ronald W. Crookston, Douglas C. Marks, Richard E. White, Andrew J. Male, Yun-Ko N. Chien +3 more | 1994-08-23 |
| 5165532 | Circuit breaker with interlock for welding contacts | Charles W. Pipich | 1992-11-24 |