Individual holder
STEFFES PAUL J
US·4 granted patents·39 citations·filing 1990–2012
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0183US8805597B2Electrical appliance energy consumption controlSTEFFES PAUL J·Filed 2009·Granted Aug 12, 2014·17 cites·21 claims
- 0253US5201024ADouble loop heat storage space heating furnace using an air-to-air heat exchangerSTEFFES PAUL J·Filed 1990·Granted Apr 6, 1993·17 cites·9 claims
- 0352US10101712B2Energy storage device control based on commands from an electrical power distribution systemSTEFFES PAUL J·Filed 2012·Granted Oct 16, 2018·1 cites·22 claims
- 0431US5086493AElectric thermal storage boosted heat pump air heating apparatusSTEFFES PAUL J·Filed 1990·Granted Feb 4, 1992·4 cites·10 claims
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