Inventor
COWAN DAVID A
US23 patents
⚠️ This page may combine multiple inventors who share the name “COWAN DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NOVA CHEM INC
8 patentsUS7644548B2Jan 12, 2010
Lightweight concrete compositions
NOVA CHEM INC51 citations95
US8029617B2Oct 4, 2011
Lightweight concrete compositions
NOVA CHEM INC17 citations92
US7964272B2Jun 21, 2011
Lightweight compositions and articles containing such
NOVA CHEM INC19 citations92
US7699929B2Apr 20, 2010
Lightweight concrete compositions
NOVA CHEM INC18 citations92
US7666258B2Feb 23, 2010
Lightweight compositions and articles containing such
NOVA CHEM INC32 citations92
US7790302B2Sep 7, 2010
Lightweight compositions and articles containing such
NOVA CHEM INC34 citations91
US7744692B2Jun 29, 2010
Lightweight concrete compositions
NOVA CHEM INC21 citations90
US7785711B1Aug 31, 2010
Coating composition for thermoplastic resin particles for forming foam containers
NOVA CHEM INC0 citations51
PLASTIC SAFETY SYSTEMS INC
5 patentsUS5234280AAug 10, 1993
Traffic channeling devices
PLASTIC SAFETY SYSTEMS INC67 citations96
US6182600B1Feb 6, 2001
Traffic channeling device
PLASTIC SAFETY SYSTEMS INC58 citations95
USD406543SMar 9, 1999
Traffic channelizer
PLASTIC SAFETY SYSTEMS INC31 citations92
US5421668AJun 6, 1995
Tread ballast or weight for temporary traffic control devices and posts
PLASTIC SAFETY SYSTEMS INC30 citations91
US5865427AFeb 2, 1999
Plastic fencing with reflective tape
PLASTIC SAFETY SYSTEMS INC13 citations73
MARYLAND CUP CORP
2 patentsCOLE & MASON U S A LTD
2 patentsTANG JIANSHENG
2 patentsUS8101102B2Jan 24, 2012
Method for improving the resistance of fumigant sorption in an expandable polymer produce container and a related container
TANG JIANSHENG0 citations40
US8101101B2Jan 24, 2012
Methods for improving the resistance of fumigant sorption in a produce container and a related produce containers
TANG JIANSHENG0 citations32