Inventor · disambiguated record
Frederick B. Fletcher
Also filed as: FLETCHER FREDERICK · FLETCHER FREDERICK B
4 granted patents·15 citations·filing 1980–2019
67Inventor score
Files withARCELORMITTAL1ARCELORMITTAL INVESTIG Y DESARROLLO S L1ARCELORMITTAL INVESTIGACIÓN Y DESARROLLO SL1FLETCHER FREDERICK1
Top patents by PatentIndex Score
4 records- 0182US9476107B2Method of making high strength steel crane railARCELORMITTAL INVESTIGACIÓN Y DESARROLLO SL·Filed 2013·Granted Oct 25, 2016·7 cites·19 claims
- 0256US12146211B2Cryogenic pressure vessels formed from low-carbon, high-strength 9% nickel steelsARCELORMITTAL·Filed 2019·Granted Nov 19, 2024·0 cites·22 claims
- 0344US10604819B2Method of making high strength steel crane railARCELORMITTAL INVESTIG Y DESARROLLO S L·Filed 2016·Granted Mar 31, 2020·0 cites·19 claims
- 0426US4362217ADownhole shearersFLETCHER FREDERICK·Filed 1980·Granted Dec 7, 1982·8 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →