Inventor · disambiguated record
Charles Francis Kern
Also filed as: KERN CHARLES F · KERN CHARLES FRANCIS
8 granted patents·3 pending applications·721 citations·filing 1995–2011
91Inventor score
Files withJOHNS MANVILLE INT INC5KERN CHARLES FRANCIS2SCHULLER INT INC2BENNETT JAMES CALVIN1KERN CHARLES F1
Top patents by PatentIndex Score
11 records- 0197US5993501AComposite filter mediaJOHNS MANVILLE INT INC·Filed 1998·Granted Nov 30, 1999·192 cites·8 claims
- 0296US5800586AComposite filter mediaJOHNS MANVILLE INT INC·Filed 1996·Granted Sep 1, 1998·143 cites·15 claims
- 0396US5785725APolymeric fiber and glass fiber composite filter mediaJOHNS MANVILLE INT INC·Filed 1997·Granted Jul 28, 1998·206 cites·36 claims
- 0491US5948344AComposite filter mediaJOHNS MANVILLE INT INC·Filed 1998·Granted Sep 7, 1999·76 cites·16 claims
- 0575US5728187AAir filtration mediaSCHULLER INT INC·Filed 1996·Granted Mar 17, 1998·52 cites·23 claims
- 0671US6261335B1Biosoluble glass fiber filtration mediaJOHNS MANVILLE INT INC·Filed 1999·Granted Jul 17, 2001·33 cites·10 claims
- 0751US5634954AFibrous filter mediaSCHULLER INT INC·Filed 1995·Granted Jun 3, 1997·19 cites·3 claims
- 0842US2006101796A1Air filtration mediaKERN CHARLES F·Filed 2004·Application pending·0 cites
- 0937US9144759B2Separatorless pleated fluid filterKERN CHARLES FRANCIS·Filed 2011·Granted Sep 29, 2015·0 cites·18 claims
- 1034US2007269643A1Antimicrobial pool filterBENNETT JAMES CALVIN·Filed 2006·Application pending·0 cites
- 1131US2013045352A1Non-woven fire barrier matKERN CHARLES FRANCIS·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →