Hartzel; Ronald D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hartzel; Ronald D..The latest application filed is for "method and apparatus to reduce internal pressure caused by an arcing fault in an electrical enclosure".

Company Profile

0.6.5

Hartzel; Ronald D. - Butler PA
Hartzel; Ronald D. - Penn Township PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus to reduce internal pressure caused by an arcing fault in an electrical enclosure Grant 8,325,467 - Shea , et al. December 4, 2	2012-12-04
Method and apparatus to move an arcing fault to a different location in an electrical enclosure Grant 8,284,541 - Shea , et al. October 9, 2	2012-10-09
Method And Apparatus To Move An Arcing Fault To A Different Location In An Electrical Enclosure App 20110149482 - SHEA; JOHN J. ; et al.	2011-06-23
Method And Apparatus To Reduce Internal Pressure Caused By An Arcing Fault In An Electrical Enclosure App 20110149478 - SHEA; JOHN J. ; et al.	2011-06-23
Automatic disconnect system, transfer system and method Grant 7,683,603 - Lathrop , et al. March 23, 2	2010-03-23
Chimney assembly, and electrical switching apparatus and electrical enclosure employing same Grant 7,586,738 - Hartzel , et al. September 8, 2	2009-09-08
Control circuit for a dual directional direct current motor employing a single alternating current power source Grant 7,053,570 - Lathrop , et al. May 30, 2	2006-05-30
Retrofit kit for converting a transfer switch to a switch for soft-load transfer, and soft-load power distribution system and method App 20060028069 - Loucks; David G. ; et al.	2006-02-09
Control circuit for a dual directional direct current motor employing a single alternating current power source App 20050116670 - Lathrop, Todd M. ; et al.	2005-06-02
Automatic transfer switch for microturbine and method of operation Grant 6,849,967 - Lathrop , et al. February 1, 2	2005-02-01
Automatic transfer switch for microturbine and method of operation App 20030197431 - Lathrop, Todd M. ; et al.	2003-10-23

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