Inventor · disambiguated record
Frederick E. Coffman
Also filed as: COFFMAN FREDERICK E
3 granted patents·66 citations·filing 1986–2002
73Inventor score
Top patents by PatentIndex Score
3 records- 0180US6779552B1Domestic hot water distribution and resource conservation systemCOFFMAN FREDERICK E·Filed 2002·Granted Aug 24, 2004·37 cites·10 claims
- 0251US4755105AImpeller improvementCHEMCUT CORP·Filed 1986·Granted Jul 5, 1988·17 cites·12 claims
- 0338US5007968AProcess and apparatus for treating articles of substantial thicknessCHEMCUT CORP·Filed 1989·Granted Apr 16, 1991·12 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →