Inventor · disambiguated record
Harold M. Ryan
Also filed as: RYAN HAROLD M
2 granted patents·51 citations·filing 1998–2012
60Inventor score
Top patents by PatentIndex Score
2 records- 0179US6085582AVehicle mass emission measurementSENSORS INC·Filed 1998·Granted Jul 11, 2000·49 cites·33 claims
- 0264US9249773B2Apparatus and method for static testing a spark plug assembled in an internal combustion engine including cracked ceramic insulator detectionGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Feb 2, 2016·2 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →