Inventor · disambiguated record
David M. Freal
Also filed as: FREAL DAVID M
2 granted patents·16 citations·filing 2005–2008
57Inventor score
Technology areasH02K
Top patents by PatentIndex Score
2 records- 0171US7432620B2Seal assembly for a hydrogen-cooled electric power generator with interface impervious to location of plant pipingSIEMENS POWER GENERATION INC·Filed 2005·Granted Oct 7, 2008·11 cites·20 claims
- 0262US8356821B2Shaft seal assembly for hydrogen cooled turbine generatorSIEMENS ENERGY INC·Filed 2008·Granted Jan 22, 2013·5 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →