Inventor
ZUPANCICH RONALD J
US8 patents
⚠️ This page may combine multiple inventors who share the name “ZUPANCICH RONALD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRN BUSINESS TRUST
4 patentsUS6722287B2Apr 20, 2004
Roof assembly and airflow management system for a temperature controlled railway car
TRN BUSINESS TRUST58 citations94
US6892433B2May 17, 2005
Manufacturing method of assembling temperature controlled railway car
TRN BUSINESS TRUST18 citations82
US6904848B2Jun 14, 2005
Roof assembly and airflow management system for a temperature controlled railway car
TRN BUSINESS TRUST10 citations71
US6284059B1Sep 4, 2001
Cleaning and conversion coating of hot rolled steel articles
TRN BUSINESS TRUST5 citations61
MARTIN MARIETTA MATERIALS INC
4 patentsUS7748172B2Jul 6, 2010
Insulated cargo containers
MARTIN MARIETTA MATERIALS INC34 citations91
US7594474B2Sep 29, 2009
Open-top rail car covers and open-top rail cars employing the same
MARTIN MARIETTA MATERIALS INC31 citations91
US7587984B2Sep 15, 2009
Insulated cargo containers
MARTIN MARIETTA MATERIALS INC21 citations91
US7434520B2Oct 14, 2008
Insulated cargo container doors
MARTIN MARIETTA MATERIALS INC31 citations91