Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| DE2647061A1 | METHOD FOR CONTROLLING PERSONS AUTHORIZED TO ACCESS SYSTEMS WITH IMPROVED SECURITY PROVISIONS AND PERSONAL LOCK FOR SUCH PLANTS | Bochumer Eisenhuette Heintzmann GmbH and Co KG | Expired / Lapsed | 1976-10-19 | — | 1996-10-19 | 0.0 yrs | 0 | |
| US3050004A | Valve gear for fluid pressure pumps | Bochumer Eisenhuette Heintzmann GmbH and Co KG | Expired / Lapsed | 1957-03-15 | 1962-08-21 | 1977-03-15 | 0.0 yrs | 0 |