Inventor · disambiguated record
Joseph W. Caldwell
Also filed as: CALDWELL JOSEPH W
3 granted patents·187 citations·filing 1989–2006
73Inventor score
Technology areasG01F
Top patents by PatentIndex Score
3 records- 0189US4984449AUltrasonic liquid level monitoring systemCALDWELL SYSTEM CORP·Filed 1989·Granted Jan 15, 1991·140 cites·17 claims
- 0288US7421895B1Fluid level measuring systemCALDWELL JOSEPH W·Filed 2006·Granted Sep 9, 2008·47 cites·21 claims
- 0330US6588271B2Liquid level change sensorFiled 2001·Granted Jul 8, 2003·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →