Inventor · disambiguated record
Calvin C. Chapman, Iv
Also filed as: CHAPMAN IV CALVIN C
3 granted patents·72 citations·filing 1996–2024
70Inventor score
Top patents by PatentIndex Score
3 records- 0177US5767390ASystem and method for storage system leak detectionENVIRONMENTAL FUEL SYSTEMS INC·Filed 1996·Granted Jun 16, 1998·42 cites·22 claims
- 0269US5922943AStorage system leak detection system and methodENVIRONMENTAL FUEL SYSTEMS INC·Filed 1997·Granted Jul 13, 1999·30 cites·23 claims
- 0352US12235205B1Methods and systems for coupon-based cathodic protection measurementsCHAPMAN ENG INC·Filed 2024·Granted Feb 25, 2025·0 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →