Assignee
POLY TEC PRODUCTS INC
US·17 granted patents·1 pending application·373 citations·filing 1990–2005
Top patents by PatentIndex Score
18 records- 0190US6651949B1Apparatus for casting a gasket and associated positioning member into an opening and a cast member for receiving a conduitPOLY TEC PRODUCTS INC·Filed 2000·Granted Nov 25, 2003·28 cites·13 claims
- 0286US5299884AWater lock method and apparatusPOLY TEC PRODUCTS INC·Filed 1991·Granted Apr 5, 1994·55 cites·45 claims
- 0384US5081802AMethod and apparatus for lining manhole assemblies and the likePOLY TEC PRODUCTS INC·Filed 1990·Granted Jan 21, 1992·50 cites·20 claims
- 0480US7677829B2Inserts and reusable holder thereforPOLY TEC PRODUCTS INC·Filed 2005·Granted Mar 16, 2010·13 cites·7 claims
- 0578US6568691B1Method and apparatus for forming cast members having embedded boot type gasketsPOLY TEC PRODUCTS INC·Filed 2000·Granted May 27, 2003·22 cites·1 claims
- 0675US7108101B1Manhole insert for manufacture of a cast member and to provide a step insert having increased structural and holding strengthPOLY TEC PRODUCTS INC·Filed 1999·Granted Sep 19, 2006·29 cites·15 claims
- 0775US5248154ABidirectional gasketPOLY TEC PRODUCTS INC·Filed 1991·Granted Sep 28, 1993·43 cites·6 claims
- 0867US6126173AExtruded gasket for cored manholesPOLY TEC PRODUCTS INC·Filed 1998·Granted Oct 3, 2000·31 cites·10 claims
- 0964US6607219B2Expansion type clamping band characterized by simplified design and ease of usePOLY TEC PRODUCTS INC·Filed 2001·Granted Aug 19, 2003·14 cites·42 claims
- 1064US6406025B1Gasket and method for fabrication and use with corrugated pipePOLY TEC PRODUCTS INC·Filed 2001·Granted Jun 18, 2002·20 cites·39 claims
- 1164US5884438ALift insert assembly and fabrication assembly method thereforePOLY TEC PRODUCTS INC·Filed 1997·Granted Mar 23, 1999·19 cites·40 claims
- 1257US6921085B2Packaging design incorporating gasket clamping assemblies and installation instructionsPOLY TEC PRODUCTS INC·Filed 2003·Granted Jul 26, 2005·9 cites·17 claims
- 1351US2005188645A1Inserts and method and apparatus for embedding inserts in cast membersPOLY TEC PRODUCTS INC·Filed 2005·Application pending·0 cites
- 1445US5997006ABidirectional gasket having water energizing pocketsPOLY TEC PRODUCTS INC·Filed 1997·Granted Dec 7, 1999·14 cites·9 claims
- 1544US6196517B1Placement ring assembly having cushioned knockout assemblyPOLY TEC PRODUCTS INC·Filed 1998·Granted Mar 6, 2001·6 cites·7 claims
- 1639US5860254ALift insert assembly and fabrication assembly methodPOLY TEC PRODUCTS INC·Filed 1996·Granted Jan 19, 1999·7 cites·28 claims
- 1737USRE34787EBidirectional gasket having water energizing pocketsPOLY TEC PRODUCTS INC·Filed 1993·Granted Nov 15, 1994·7 cites·13 claims
- 1836US5217237ABidirectional gasket having water energizing pocketsPOLY TEC PRODUCTS INC·Filed 1992·Granted Jun 8, 1993·6 cites·13 claims
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