Engelhard Industries Inc
EngelhardActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB894612A | Asbestos cloth supported catalyst | Expired / Lapsed | 1959-12-01 | — | 0 | Details |
| US3424619A | Process for using fuel cell with hydrocarbon fuel and plati… | Expired / Lapsed | 1964-09-28 | 1969-01-28 | 0 | Details |
| US3266912A | Method and composition for decorating glass-ceramics | Expired / Lapsed | 1961-03-29 | 1966-08-16 | 2 | Details |
| US3055840A | Ruthenium-containing catalysts and methods of making said c… | Expired / Lapsed | 1958-01-13 | 1962-09-25 | 6 | Details |
| US3050371A | Methods for detecting and/or measuring the concentration of… | Expired / Lapsed | 1956-08-15 | 1962-08-21 | 2 | Details |
| US2984896A | Method of making filters | Expired / Lapsed | 1958-10-03 | 1961-05-23 | 0 | Details |
| US2973495A | Temperature measuring device | Expired / Lapsed | 1958-06-20 | 1961-02-28 | 0 | Details |
| US2972053A | Aiming stake | Expired / Lapsed | 1957-10-14 | 1961-02-14 | 0 | Details |
| US2934484A | Mounting device for reference cells in cathodic protection … | Expired / Lapsed | 1958-04-15 | 1960-04-26 | 2 | Details |
| US2911057A | Hydrogen purifier | Expired / Lapsed | 1957-07-30 | 1959-11-03 | 0 | Details |
| US2844706A | Method of producing minute perforations in solid bodies by … | Expired / Lapsed | 1954-08-19 | 1958-07-22 | 0 | Details |