Andy A. Haun — 20 Patents at Square D

Andy A. Haun has been granted 20 US patents while listed as an inventor at Square D. The first was granted in 1992 and the most recent in March 2010. Andy A. Haun ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Andy A. Haun in Cedar Rapids, IA, US.

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date
7680561	Method of facilitating communications across open circuit breaker contacts	Barry Rodgers, Robert Dwulet, Mark Kocher, Julius Michael Liptak, Alexander Filippenko +3 more	2010-03-16
6621669	Arc fault receptacle with a feed-through connection	Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong	2003-09-16
6567250	Arc fault protected device	Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong	2003-05-20
6532424	Electrical fault detection circuit with dual-mode power supply	Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong	2003-03-11
6477021	Blocking/inhibiting operation in an arc fault detection system	Brian Grattan, Kon B. Wong, Robert F. Dvorak, Gary W. Scott	2002-11-05
6456471	Test, reset and communications operations in an ARC fault circuit interrupter with optional memory and/or backup power	Brian Grattan, Kon B. Wong, Robert F. Dvorak, Gary W. Scott	2002-09-24
6414829	Arc fault circuit interrupter	Brian Grattan, Kon B. Wong, Robert F. Dvorak, Gary W. Scott	2002-07-02
6377427	Arc fault protected electrical receptacle	Robert F. Dvorak, Brett Larson, Brian Grattan, Kon B. Wong	2002-04-23
6313975	Self-sourcing, isolated zone selective interlocking system for use with electronic trip circuit breakers	David Joseph Dunne	2001-11-06
6259996	Arc fault detection system	Alan Coats, Kon B. Wong, Robert F. Dvorak, Gary W. Scott	2001-07-10
5999384	Circuit interrupter with arcing fault protection and PTC (positive temperature coefficient resistivity) elements for short circuit and overload protection	William W. Chen, George Gregory, Gary W. Scott	1999-12-07
5946179	Electronically controlled circuit breaker with integrated latch tripping	Dennis W. Fleege	1999-08-31
5923514	Electronic trip circuit breaker with CMR current sensor	Gary W. Scott	1999-07-13
5886860	Circuit breakers with PTC (Positive Temperature Coefficient resistivity	William W. Chen, Colin Cornhill, Gary W. Scott, Manzoor Ali, William Rezac +1 more	1999-03-23
5821876	Communication interface for bus connected circuit breakers	Ronald L. Farrington, Larry James Serbousek, Earl J. Tessmer	1998-10-13
5519368	Compact coil assembly for transient voltage protection	James Arthur Heise, Gary A. Volesky, Henry J. Zylstra	1996-05-21
5337205	Dual voltage power supply	Jerry R. Baack	1994-08-09
5189587	Dual shunt current regulator	Earl J. Tessmer	1993-02-23
5164875	Addressable relay module for circuit breakers	Earl J. Tessmer, Ronald L. Farrington	1992-11-17
5162664	Communications arrangement for an electronic circuit breaker trip system	Earl J. Tessmer, Leon W. Durivage, III	1992-11-10

Andy A. Haun — 20 Patents

Issued Patents All Time

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