Inventor · disambiguated record
Karen Sheppard
Also filed as: SHEPPARD KAREN A · SHEPPARD KAREN ANN
5 granted patents·3 pending applications·172 citations·filing 1993–2004
83Inventor score
Files withEXXONMOBIL OIL CORP4
Top patents by PatentIndex Score
8 records- 0193US6623866B2Multilayer films including anti-blockEXXONMOBIL OIL CORP·Filed 2001·Granted Sep 23, 2003·60 cites·43 claims
- 0285US6455150B1Multi-layer oriented heat sealable film structure of improved machinabilityFiled 1993·Granted Sep 24, 2002·70 cites·17 claims
- 0384US6863964B2Metallized multilayer filmEXXONMOBIL OIL CORP·Filed 2002·Granted Mar 8, 2005·31 cites·36 claims
- 0470US6824878B2Method for preparing sealable films with siloxane additivesEXXONMOBIL OIL CORP·Filed 2001·Granted Nov 30, 2004·8 cites·66 claims
- 0563US7393592B2Lamination grade coextruded heat-sealable filmEXXONMOBIL OIL CORP·Filed 2004·Granted Jul 1, 2008·3 cites·18 claims
- 0645US2003211350A1Multilayer heat sealable polyolefin film comprising skin layer and transition layer of differing melting pointsFiled 2002·Application pending·0 cites
- 0744US2002182391A1Multilayer matte filmsFiled 2001·Application pending·0 cites
- 0843US2003021981A1Colored polyolefin film and method of makingFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Karen Sheppard files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →