Inventor · disambiguated record
John F. Chapman
Also filed as: CHAPMAN JOHN · CHAPMAN JOHN F
3 granted patents·250 citations·filing 1979–1990
77Inventor score
Top patents by PatentIndex Score
3 records- 0194US4298090AMulti-layer acoustic liningsROLLS ROYCE·Filed 1979·Granted Nov 3, 1981·155 cites·10 claims
- 0292US4231447AMulti-layer acoustic liningsROLLS ROYCE·Filed 1979·Granted Nov 4, 1980·77 cites·5 claims
- 0352US5074124ACooled air environment for air conditionersCHAPMAN JOHN·Filed 1990·Granted Dec 24, 1991·18 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →