Inventor · disambiguated record
Walter D. Hart
Also filed as: HART WALTER D
4 granted patents·56 citations·filing 1981–1989
77Inventor score
Files withTRW INC4
Top patents by PatentIndex Score
4 records- 0175US4545891AExtraction and upgrading of fossil fuels using fused caustic and acid solutionsTRW INC·Filed 1982·Granted Oct 8, 1985·21 cites·22 claims
- 0262US5085764AProcess for upgrading coalTRW INC·Filed 1989·Granted Feb 4, 1992·17 cites·37 claims
- 0346US5059307AProcess for upgrading coalTRW INC·Filed 1989·Granted Oct 22, 1991·15 cites·32 claims
- 0431US4426281AFloat/sink treatment of crushed coal in solutions of monosaccharides and disaccharidesTRW INC·Filed 1981·Granted Jan 17, 1984·3 cites·13 claims
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