Assignee
LECA TRADING CONCESSION AS
2 granted patents·11 citations·filing 1975–1975
Technology mixF27B2
Top patents by PatentIndex Score
2 records- 0148US4015929ARotary kiln for producing an expanded clay product and a method of manufacturing the rotary kilnLECA TRADING CONCESSION AS·Filed 1975·Granted Apr 5, 1977·8 cites·10 claims
- 0228US4029464ARotary kiln for producing a bloated clay productLECA TRADING CONCESSION AS·Filed 1975·Granted Jun 14, 1977·3 cites·16 claims
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