DM

Douglas C. Marks

EA Eaton: 15 patents #151 of 3,708Top 5%
WE Westinghouse Electric: 7 patents #347 of 5,139Top 7%
Overall (All Time): #186,038 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7696448 Closing protection mechanism for a closing assembly over-toggle linkage Paul R. Rakus, Andrew L. Gottschalk, Nathan J. Weister, Joseph J. Matsko, Robert Michael Slepian 2010-04-13
7687733 Interlock assembly for a stored energy mechanism Nathan J. Weister, Paul R. Rakus, Roger J. Briggs, Perry R. Gibson, Robert Michael Slepian +1 more 2010-03-30
7646270 Electrical switching apparatus, and yoke assembly and spring assembly therefor Yuri C. Spitsberg, Robert Michael Slepian, Perry R. Gibson, David A. Parks, Paul R. Rakus +2 more 2010-01-12
7598467 Electrical switching apparatus having a cradle with combined pivot and over-toggle reversing pin Perry R. Gibson, Paul R. Rakus, Robert Michael Slepian, David Olszewski 2009-10-06
7474179 Electrical switching apparatus, and movable contact assembly and contact spring assembly therefor Nathan J. Weister, William C. Pollitt, John J. Shea 2009-01-06
7459650 Electrical switching apparatus, and latch assembly and latch engagement control mechanism therefor Nathan J. Weister, Paul R. Rakus 2008-12-02
7449652 Catchment mechanism to prevent camshaft over-rotation during closure in a direct-drive stored energy mechanism Paul R. Rakus, Perry R. Gibson, Andrew L. Gottschalk, Robert Michael Slepian 2008-11-11
7449653 Positive resetting close latch for closing electrical switching apparatus Perry R. Gibson, Paul R. Rakus, Andrew L. Gottschalk, Robert Michael Slepian, Roger J. Briggs 2008-11-11
7268652 Cradle assembly with opening assist mechanism and electrical switching apparatus employing the same Robert Michael Slepian, David Turner 2007-09-11
7145420 Support structure for a circuit interrupter latch and circuit breaker employing the same David A. Parks, Robert Michael Slepian, Ameilia M. Stay, David E. Little 2006-12-05
7115830 Redundant pivot trip latch Nathan J. Weister, Mark Allen McAfee 2006-10-03
7064635 Circuit breaker including alarm interface lever Erik R. Bogdon, Joseph B. Humbert, Craig A. Rodgers, Dominic P. Martelli 2006-06-20
7012493 Circuit breaker including rotary interlock for secondary cover David A. Parks, Roger W. Helms, Amelia M. Stay, David E. Little 2006-03-14
6924446 Circuit breaker including a latchable cradle and a cross bar adapted to move in an arcuate path away from primary and secondary latches David A. Parks, Robert Michael Slepian, Amelia M. Stay, David E. Little 2005-08-02
6541727 Molded case circuit breaker including vacuum switch assembly H. Richard Beck, R. Michael Slepian, Kevin S. Sprinker, Edward L. Wellner 2003-04-01
5341191 Molded case current limiting circuit breaker Ronald W. Crookston, Richard E. White, Andrew J. Male, Yun-Ko N. Chien, Steven Castelein +3 more 1994-08-23
5296664 Circuit breaker with positive off protection Ronald W. Crookston, David Turner, Richard E. White, Steven Castelein 1994-03-22
5260533 Molded case current limiting circuit breaker John K. Livesey, Richard E. White, Alfred E. Maier, Amelia M. Stay, Walter O. Jenkins 1993-11-09
4704593 Circuit breaker with adjustable thermal mechanism David A. Leone 1987-11-03
4654490 Reverse loop circuit breaker with high impedance stationary conductor David A. Leone 1987-03-31
4654491 Circuit breaker with contact support and arc runner Alfred E. Maier, David A. Leone 1987-03-31
4635011 Circuit breaker with arm latch for high interrupting capacity David A. Leone 1987-01-06
4594491 Molded case circuit breaker with a trip mechanism having an intermediate latch lever David A. Leone 1986-06-10