Inventor
BELIAS WILLIAM P
US20 patents
⚠️ This page may combine multiple inventors who share the name “BELIAS WILLIAM P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PACTIV CORP
8 patentsUS6635139B2Oct 21, 2003
Methods of making thermal seals and perforations
PACTIV CORP61 citations94
US7497623B2Mar 3, 2009
Packages with active agents
PACTIV CORP34 citations92
US6966697B2Nov 22, 2005
Trash bags with narrowing seals to facilitate gripping
PACTIV CORP44 citations91
US6648044B2Nov 18, 2003
Apparatus for sealing and creating a thermal perforation
PACTIV CORP31 citations91
US6196717B1Mar 6, 2001
Folded thermoplastic bag structure
PACTIV CORP21 citations91
US6159136ADec 12, 2000
Easy to open handle bag and method of making the same
PACTIV CORP16 citations82
US7344309B2Mar 18, 2008
Trash bags with narrowing seals to facilitate gripping
PACTIV CORP11 citations79
US6544382B2Apr 8, 2003
Apparatus for high-speed heating and cooling of a polymer
PACTIV CORP3 citations62
TENNECO PACKAGING INC
4 patentsUS6059458AMay 9, 2000
Elastic top drawtape bag and method of manufacturing the same
TENNECO PACKAGING INC146 citations94
US5967663AOct 19, 1999
Thermoplastic bag structure
TENNECO PACKAGING INC79 citations94
US6089753AJul 18, 2000
Easy to open handle bag and method of making the same
TENNECO PACKAGING INC25 citations91
US6059707AMay 9, 2000
Easy to open handle bag and method of making the same
TENNECO PACKAGING INC30 citations91