Assignee
LONG ENTERPRISES INC
US·5 granted patents·84 citations·filing 1984–1990
Top patents by PatentIndex Score
5 records- 0162US5147563ASewage sludge treatment with gas injectionLONG ENTERPRISES INC·Filed 1990·Granted Sep 15, 1992·33 cites·9 claims
- 0251US4695388AApparatus and process for rapid sewage sludge separationLONG ENTERPRISES INC·Filed 1986·Granted Sep 22, 1987·17 cites·13 claims
- 0350US4582612ASewage sludge treatment apparatusLONG ENTERPRISES INC·Filed 1984·Granted Apr 15, 1986·14 cites·19 claims
- 0449US4659464AApparatus for dispersing sludge with gas impingementLONG ENTERPRISES INC·Filed 1986·Granted Apr 21, 1987·16 cites·9 claims
- 0529US4936983ASewage sludge treatment with gas injectionLONG ENTERPRISES INC·Filed 1989·Granted Jun 26, 1990·4 cites·9 claims
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