Inventor · disambiguated record
Donald E. Porterfield
Also filed as: PORTERFIELD DONALD E · PORTERFIELD DONALD EDMOND
3 granted patents·1 pending application·25 citations·filing 2004–2013
65Inventor score
Top patents by PatentIndex Score
4 records- 0166US6950606B2Air conditioning apparatus with blower and electric heater in common housingADVANCED DISTRIBUTOR PRODUCTS·Filed 2004·Granted Sep 27, 2005·22 cites·18 claims
- 0262US9504097B2Full support heating element apparatusBACKER EHP INC·Filed 2013·Granted Nov 22, 2016·2 cites·33 claims
- 0352US8571395B2Track system for heater assemblyPORTERFIELD DONALD E·Filed 2010·Granted Oct 29, 2013·1 cites·21 claims
- 0433US2010237059A1Resistive heating element for electrical heatingEMERSON ELECTRIC CO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →