Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3913344A | Fluid energy monitoring apparatus | Johnson Service Co | Expired / Lapsed | 1974-10-15 | 1975-10-21 | 1994-10-15 | 0.0 yrs | 22 | |
| US3832688A | Status sensing and transmitting circuit | Johnson Service Co | Expired / Lapsed | 1972-12-15 | 1974-08-27 | 1992-12-15 | 0.0 yrs | 19 | |
| US2601867A | Pneumatic relay | Johnson Service Co | Expired / Lapsed | 1946-07-12 | 1952-07-01 | 1966-07-12 | 0.0 yrs | 0 |