Princell; Charles M.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Princell; Charles M..The latest application filed is for "insulation assemblies, insulated conduit assemblies, and related methods".

Company Profile

0.4.9

Princell; Charles M. - Graham NC
Princell; Charles M. - Hickory NC

*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
Insulation Assemblies, Insulated Conduit Assemblies, and Related Methods App 20130291984 - Himmel; Thomas W. ; et al.	2013-11-07
Foam insulation structure and method for insulating annular ducts Grant 8,371,338 - Princell , et al. February 12, 2	2013-02-12
Composite insulation structure for the insulation of the interior surface of annular ducts Grant 8,186,388 - Princell , et al. May 29, 2	2012-05-29
Insulating Angular Duct Sections Formed On An Automatic Coil Line App 20100212807 - PRINCELL; Charles M. ; et al.	2010-08-26
Insulation Structure For The Insulation Of Ducts App 20100193061 - PRINCELL; Charles M. ; et al.	2010-08-05
Foam Insulation Structure And Method For Insulating Annular Ducts App 20100071289 - PRINCELL; Charles M. ; et al.	2010-03-25
Composite Insulation Structure For The Insulation Of The Interior Surface Of Annular Ducts App 20100018601 - Princell; Charles M. ; et al.	2010-01-28
System and Method for Manufacture of Extruded Polymer Materials App 20080018010 - Princell; Charles M.	2008-01-24
Lap and seam seal closure system for foam pipe insulation App 20070292647 - Princell; Charles M.	2007-12-20
Composite pressure sensitive insulation joining construction Grant 6,902,784 - Princell , et al. June 7, 2	2005-06-07
Insulative support apparatus App 20030213525 - Patel, Kartik A. ; et al.	2003-11-20
Composite pressure sensitive insulation joining construction App 20030215595 - Princell, Charles M. ; et al.	2003-11-20

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