Inventor · disambiguated record
John F. Steffen
Also filed as: STEFFEN JOHN · STEFFEN JOHN F · STEFFEN JOHN FREDERICK
9 granted patents·5 pending applications·36 citations·filing 1997–2022
83Inventor score
Files withAVINTIV SPECIALTY MATERIALS INC5POLYMER GROUP INC5DWIGGINS CARLTON F1KIMBERLY CLARK CO1STEFFEN JOHN F1
Top patents by PatentIndex Score
14 records- 0188US11060207B2Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefromAVINTIV SPECIALTY MATERIALS INC·Filed 2019·Granted Jul 13, 2021·2 cites·19 claims
- 0283US8426671B2Liquid management layer for personal care absorbent articlesSTEFFEN JOHN F·Filed 2011·Granted Apr 23, 2013·14 cites·20 claims
- 0375US10301746B2Multi-zone spinneret, apparatus and method for making filaments and nonwoven fabrics therefromAVINTIV SPECIALTY MATERIALS INC·Filed 2012·Granted May 28, 2019·2 cites·39 claims
- 0474US11598028B2Method of preparing a crimped fiberAVINTIV SPECIALTY MATERIALS INC·Filed 2019·Granted Mar 7, 2023·0 cites·16 claims
- 0566US2022145503A1Liquid Barrier Nonwoven Fabrics with Ribbon-Shaped FibersAVINTIV SPECIALTY MATERIALS INC·Filed 2022·Application pending·0 cites
- 0663US7326314B2Method of making a nonwoven absorbent fabricPOLYMER GROUP INC·Filed 2003·Granted Feb 5, 2008·4 cites·15 claims
- 0762US10494744B2Self-crimped ribbon fiber and nonwovens manufactured therefromAVINTIV SPECIALTY MATERIALS INC·Filed 2015·Granted Dec 3, 2019·0 cites·17 claims
- 0849US11274384B2Liquid barrier nonwoven fabrics with ribbon-shaped fibersDWIGGINS CARLTON F·Filed 2011·Granted Mar 15, 2022·0 cites·15 claims
- 0946US2005163967A1Apertured film with raised profile elements method for making the same, and the products thereofPOLYMER GROUP INC·Filed 2004·Application pending·0 cites
- 1045US2005124949A1Unitized cover and transfer layer and process for making the sameFiled 2004·Application pending·0 cites
- 1144US2003045849A1Medical laminate with viral barrierPOLYMER GROUP INC·Filed 2002·Application pending·0 cites
- 1242US7326747B2Internal wetting agent for use in manufacture of polymeric films and fabrics for disposable absorbent articlesPOLYMER GROUP INC·Filed 2001·Granted Feb 5, 2008·0 cites·4 claims
- 1341US2015275404A1Nonwoven Having High Microbial Kill Rate And High Efficacy And Articles And Uses TherefromPOLYMER GROUP INC·Filed 2015·Application pending·0 cites
- 1433US5716470ALoop material for improved attachment to disposable garmentsKIMBERLY CLARK CO·Filed 1997·Granted Feb 10, 1998·14 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →