Individual holder
SEMGREEN L P
US·3 granted patents·28 citations·filing 2003–2005
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0175US7294425B2Channel-less proton exchange membrane fuel cellSEMGREEN L P·Filed 2003·Granted Nov 13, 2007·26 cites·1 claims
- 0251US7303832B2Electrochemical fuel cell comprised of a series of conductive compression gaskets and method of manufactureSEMGREEN L P·Filed 2003·Granted Dec 4, 2007·2 cites·18 claims
- 0345US7368513B2Water-soluble electrically insulative composition, modifications, and applications thereofSEMGREEN L P·Filed 2005·Granted May 6, 2008·0 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →