Assignee
ROBERTS FREDDIE RAY
US·2 granted patents·1 pending application·45 citations·filing 2003–2017
Top patents by PatentIndex Score
3 records- 0182US7104227B2Internal combustion engine machine incorporating significant improvements in power, efficiency and emissions controlROBERTS FREDDIE RAY·Filed 2003·Granted Sep 12, 2006·45 cites·30 claims
- 0254US2017218838A1Variable compression cylinder head, crankshaft, and piston rod and system thereofROBERTS FREDDIE RAY·Filed 2017·Application pending·0 cites
- 0349US9624826B2Variable compression cylinder head, crankshaft, and piston rod and system thereofROBERTS FREDDIE RAY·Filed 2015·Granted Apr 18, 2017·0 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →