Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4000650B1 | Method and apparatus for ultrasonic material level measurement | Endress and Hauser SE and Co KG | Expired / Lapsed | 1975-03-20 | 1995-11-14 | 1995-03-20 | 0.0 yrs | 0 | |
| US4344705A | Distance measuring apparatus based on the pulse travel time method | Endress and Hauser SE and Co KG | Expired / Lapsed | 1980-03-07 | 1982-08-17 | 2000-03-07 | 0.0 yrs | 21 | |
| US4000650A | Method and apparatus for ultrasonic material level measurement | Endress and Hauser SE and Co KG | Expired / Lapsed | 1975-03-20 | 1977-01-04 | 1995-03-20 | 0.0 yrs | 58 |