Umicore NV SA
Umicore NVActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3676669A | Apparatus for the centralized control of the operation of t… | Expired / Lapsed | 1970-05-14 | 1972-07-11 | 4 | Details |
| US2978530A | Conductor for transformer windings | Expired / Lapsed | 1959-05-28 | 1961-04-04 | 0 | Details |
| FR1233139A | Box for electrical equipment | Expired / Lapsed | 1959-04-30 | 1960-10-12 | 0 | Details |
| US2937238A | Multiplex telecommunication system | Expired / Lapsed | 1954-05-19 | 1960-05-17 | 0 | Details |
| US2869876A | Sound recording and reproducing apparatus | Expired / Lapsed | 1955-11-22 | 1959-01-20 | 0 | Details |
| US2861232A | Remote control system for positioning objects | Expired / Lapsed | 1957-06-27 | 1958-11-18 | 0 | Details |
| US2794068A | Teleprinter receiver | Expired / Lapsed | 1955-09-30 | 1957-05-28 | 0 | Details |
| FR1133387A | Electroluminescent light fixture | Expired / Lapsed | 1955-04-19 | 1957-03-26 | 0 | Details |
| US2771506A | Teleprinter systems | Expired / Lapsed | 1955-02-01 | 1956-11-20 | 0 | Details |
| US2715189A | Apparatus for emitting and receiving elastic waves | Expired / Lapsed | 1951-09-11 | 1955-08-09 | 0 | Details |
| US2709597A | Magnetic sound recording apparatus | Expired / Lapsed | 1951-06-20 | 1955-05-31 | 0 | Details |
| US2545101A | Rotating diaphragm transducer for solid material testing | Expired / Lapsed | 1948-12-06 | 1951-03-13 | 0 | Details |
| US2532507A | Feeler for elastic waves | Expired / Lapsed | 1946-07-18 | 1950-12-05 | 0 | Details |
| US1839299A | Alternating current machine | Expired / Lapsed | 1930-03-19 | 1932-01-05 | 0 | Details |