Inventor · disambiguated record

Johnny Chapman

Also filed as: CHAPMAN JOHNNY D · Chapman Johnny

2 granted patents·61 citations·filing 1992–2017

59Inventor score

Technology areasB23P C09K

Files withCHAPMAN JOHNNY D1 SUN HONG1

Top patents by PatentIndex Score

2 records

0179US5206980AApparatus for aligning ends of pipesCHAPMAN JOHNNY D·Filed 1992·Granted May 4, 1993·60 cites·7 claims
0269US10273401B2Hydraulic fracturing using super absorbent polymer having controlled particle sizeSUN HONG·Filed 2017·Granted Apr 30, 2019·1 cites·17 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →