Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4477939A | Removable sludge cleaner for tanks | Alar Engineering Corp | Expired / Lapsed | 1983-01-27 | 1984-10-23 | 2003-01-27 | 0.0 yrs | 15 | |
| US4193871A | Clarifier | Alar Engineering Corp | Expired / Lapsed | 1979-02-26 | 1980-03-18 | 1999-02-26 | 0.0 yrs | 26 |