Assignee
ENCOTECH INC
2 granted patents·10 citations·filing 1975–1976
Top patents by PatentIndex Score
2 records- 0133US4058976AMethod and apparatus for removal of last traces of soluble ash and elements from solvent refined coalENCOTECH INC·Filed 1975·Granted Nov 22, 1977·8 cites·7 claims
- 0220US4095954AMethod for removal of last traces of soluble ash and elements from solvent refined coalENCOTECH INC·Filed 1976·Granted Jun 20, 1978·2 cites·10 claims
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