Inventor · disambiguated record
Michel Rigal
Also filed as: RIGAL MICHEL · RIGAL MICHEL F
3 granted patents·50 citations·filing 1979–2007
72Inventor score
Top patents by PatentIndex Score
3 records- 0177US8147215B2Reciprocating-piston compressor having non-contact gap sealRIGAL MICHEL·Filed 2007·Granted Apr 3, 2012·9 cites·6 claims
- 0267US4261668ASplit ring retention of splined or toothed partsCITROEN SA·Filed 1979·Granted Apr 14, 1981·28 cites·6 claims
- 0347US4346153AElectrode for a lead-acid storage cellEUROP ACCUMULATEURS·Filed 1981·Granted Aug 24, 1982·13 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →