Assignee
LUMSDEN JOHN L
US·7 granted patents·87 citations·filing 2008–2012
Top patents by PatentIndex Score
7 records- 0192US8698447B2Energy saving system and method for devices with rotating or reciprocating massesLUMSDEN JOHN L·Filed 2012·Granted Apr 15, 2014·11 cites·20 claims
- 0290US8619443B2System and method to boost voltageLUMSDEN JOHN L·Filed 2010·Granted Dec 31, 2013·12 cites·37 claims
- 0389US8120307B2System and method for providing constant loading in AC power applicationsLUMSDEN JOHN L·Filed 2008·Granted Feb 21, 2012·21 cites·18 claims
- 0489US8085009B2IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulationLUMSDEN JOHN L·Filed 2008·Granted Dec 27, 2011·23 cites·77 claims
- 0583US8823314B2Energy saving system and method for devices with rotating or reciprocating massesLUMSDEN JOHN L·Filed 2010·Granted Sep 2, 2014·6 cites·23 claims
- 0678US8085010B2TRIAC/SCR-based energy savings device for reducing a predetermined amount of voltage using pulse width modulationLUMSDEN JOHN L·Filed 2008·Granted Dec 27, 2011·14 cites·66 claims
- 0749US8723488B2IGBT/FET-based energy savings device for reducing a predetermined amount of voltage using pulse width modulationLUMSDEN JOHN L·Filed 2011·Granted May 13, 2014·0 cites·96 claims
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