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Dive into the research topics where Ronald D. Hartzel is active.

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Featured researches published by Ronald D. Hartzel.


Archive | 2002

Automatic transfer switch for microturbine and method of operation

Todd M. Lathrop; Bert Popovich; Ronald D. Hartzel; David N. Alchier; Nathan J. Weister


Archive | 2004

Retrofit kit for converting a transfer switch to a switch for soft-load transfer, and soft-load power distribution system and method

David G. Loucks; James Richard Hanna; Krzysztof Patura; Todd M. Lathrop; Ronald D. Hartzel


Archive | 2000

Fast acting, electrically powered operator for transfer switch and transfer switch incorporating same

David Curtis Turner; Jeffrey Lowell Woods; David Michael Olszewski; William Ellsworth Beatty; Ronald D. Hartzel


Archive | 1997

Molded case circuit breaker with ground fault protection and signaling switches

Ronald D. Hartzel; Keith Lynn Mayhood; William David Munsch; John Joseph Kurtz; Richard Edwin White


Archive | 1996

Circuit breaker terminal tubulator protection assembly for diverting discharged ionized gasses

Ronald D. Hartzel; Robert Joseph Tedesco; William David Munsch; Michael Joseph Erb


Archive | 2008

Chimney assembly, and electrical switching apparatus and electrical enclosure employing same

Ronald D. Hartzel; James E. Smith; Douglas M. Brandt; Anthony Thomas Ricciuti; James J. Benke


Archive | 2010

METHOD AND APPARATUS TO REDUCE INTERNAL PRESSURE CAUSED BY AN ARCING FAULT IN AN ELECTRICAL ENCLOSURE

John J. Shea; Ronald D. Hartzel; James E. Smith; Paul K. Parker


Archive | 2010

Method and apparatus to move an arcing fault to a different location in an electrical enclosure

John J. Shea; Ronald D. Hartzel; James E. Smith; Paul K. Parker


Archive | 2008

Automatic disconnect system, transfer system and method

Todd M. Lathrop; Ronald D. Hartzel; David Richard Welsh


Archive | 2006

COMPACT INTEGRAL ROTATIONAL DRAWOUT STOP DEVICE WITH LINEAR PERMISSIVE

Paul K. Parker; Ronald D. Hartzel; James E. Smith; Paul A. Colbaugh; Ronald Alan Carder; Marcy Dawn Scialabba

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