Inventor · disambiguated record

Frank A. Elk

Also filed as: ELK FRANK A

2 granted patents·37 citations·filing 2000–2002

60Inventor score

Technology areasB01D Y02W

Files withC A S T MINERALS INC2

Top patents by PatentIndex Score

2 records

0177US6666335B1Multi-mineral/ash benefication process and apparatusC A S T MINERALS INC·Filed 2000·Granted Dec 23, 2003·34 cites·4 claims
0249US6907994B2Process for converting wet fly ash into dry useful industrial productsC A S T MINERALS INC·Filed 2002·Granted Jun 21, 2005·3 cites·10 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →