Assignee
WILLISCH HANNES
3 granted patents·22 citations·filing 1976–1978
Top patents by PatentIndex Score
3 records- 0165US4146382AMethod of and apparatus for the treatment and purification of refuse, or refuse/sewage sludge mixtures by means of compostingWILLISCH HANNES·Filed 1976·Granted Mar 27, 1979·14 cites·39 claims
- 0228US4192848ADevice for preparation and hygienization of refuse or refuse-clarified sludge mixtures by means of compostingWILLISCH HANNES·Filed 1978·Granted Mar 11, 1980·1 cites·20 claims
- 0327US4146381AMethod or treatment and purification of refuse, or of refuse/sludge mixtures by means of compostingWILLISCH HANNES·Filed 1977·Granted Mar 27, 1979·7 cites·17 claims
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