Inventor · disambiguated record
Charles J Steffl
Also filed as: STEFFL CHARLES J
2 granted patents·1 pending application·13 citations·filing 2004–2013
57Inventor score
Top patents by PatentIndex Score
3 records- 0156US9475528B2System and method for delivery of saltSTEP SAVER INC·Filed 2013·Granted Oct 25, 2016·5 cites·18 claims
- 0252US7305924B2Apparatus and method for delivery of biomass fuelSTEP SAVER INC·Filed 2004·Granted Dec 11, 2007·8 cites·8 claims
- 0341US2008283142A1Apparatus and method for delivery and reclamation of biomass fuelSTEFFL CHARLES J·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →