Inventor · disambiguated record
David K. Schmalzer
Also filed as: SCHMALZER DAVID K
3 granted patents·31 citations·filing 1980–1981
69Inventor score
Technology areasC10G
Files withPITTSBURGH MIDWAY COAL MINING3
Top patents by PatentIndex Score
3 records- 0154US4364817AMethod for controlling boiling point distribution of coal liquefaction oil productPITTSBURGH MIDWAY COAL MINING·Filed 1981·Granted Dec 21, 1982·13 cites·27 claims
- 0252US4328088AControlled short residence time coal liquefaction processPITTSBURGH MIDWAY COAL MINING·Filed 1980·Granted May 4, 1982·12 cites·26 claims
- 0338US4330388AShort residence time coal liquefaction process including catalytic hydrogenationPITTSBURGH MIDWAY COAL MINING·Filed 1980·Granted May 18, 1982·6 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →