Assignee
ENVIROLAND INC
US·5 granted patents·48 citations·filing 1991–1993
Top patents by PatentIndex Score
5 records- 0160US5114274ASewage tank system and method of constructionENVIROLAND INC·Filed 1991·Granted May 19, 1992·27 cites·42 claims
- 0233US5286384ASludge scraper apparatusENVIROLAND INC·Filed 1993·Granted Feb 15, 1994·8 cites·21 claims
- 0329US5250199ASludge scraper apparatusENVIROLAND INC·Filed 1992·Granted Oct 5, 1993·6 cites·11 claims
- 0426USD341670SPrecast sludge tank roof panel with removable grateENVIROLAND INC·Filed 1991·Granted Nov 23, 1993·1 cites·1 claims
- 0524US5248219ASewage tank system and method of constructionENVIROLAND INC·Filed 1992·Granted Sep 28, 1993·6 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →