Inventor · disambiguated record
Freddie Ray Roberts
Also filed as: ROBERTS FREDDIE R · ROBERTS FREDDIE RAY
3 granted patents·2 pending applications·108 citations·filing 1988–2017
71Inventor score
Top patents by PatentIndex Score
5 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
- 0280US4883749AChildren's toilet training device with differentiating meansPEE PATCH INC·Filed 1988·Granted Nov 28, 1989·63 cites·32 claims
- 0354US2017218838A1Variable compression cylinder head, crankshaft, and piston rod and system thereofROBERTS FREDDIE RAY·Filed 2017·Application pending·0 cites
- 0449US9624826B2Variable compression cylinder head, crankshaft, and piston rod and system thereofROBERTS FREDDIE RAY·Filed 2015·Granted Apr 18, 2017·0 cites·9 claims
- 0534US2005281693A1Machine for drawing fluid from a sump for circulationROBERTS FREDDIE R·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →