Inventor · disambiguated record
Douglas A. Drake
Also filed as: DRAKE DOUGLAS A
3 granted patents·107 citations·filing 1989–1990
75Inventor score
Technology areasC04B
Files withCORHART REFRACTORIES CO3
Top patents by PatentIndex Score
3 records- 0186US5124287AZircon refractories with improved thermal shock resistanceCORHART REFRACTORIES CO·Filed 1990·Granted Jun 23, 1992·64 cites·35 claims
- 0280US5106795AChromic oxide refractories with improved thermal shock resistanceCORHART REFRACTORIES CO·Filed 1989·Granted Apr 21, 1992·32 cites·56 claims
- 0349US4992396AFused AZS refractory compositionCORHART REFRACTORIES CO·Filed 1989·Granted Feb 12, 1991·11 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →