Assignee
ROETKER JOHN JOSEPH
US·3 granted patents·2 pending applications·25 citations·filing 2009–2012
Top patents by PatentIndex Score
5 records- 0190US8498527B2Water heating control and storage systemROETKER JOHN JOSEPH·Filed 2009·Granted Jul 30, 2013·16 cites·23 claims
- 0281US8438864B2Transcritical heat pump water heater and method of operationROETKER JOHN JOSEPH·Filed 2011·Granted May 14, 2013·5 cites·5 claims
- 0378US8761589B2Heated water energy storage systemROETKER JOHN JOSEPH·Filed 2012·Granted Jun 24, 2014·4 cites·20 claims
- 0448US2012060827A1Control for a tankless water heater used with a solar water heating systemROETKER JOHN JOSEPH·Filed 2011·Application pending·0 cites
- 0544US2012090597A1Pump drained solar water heating systemROETKER JOHN JOSEPH·Filed 2010·Application pending·0 cites
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