NL Industries Inc
NL IndustrActive Patents
0
Total Holdings
10
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3129717A | System for automatically adding a lime slurry to water | Expired / Lapsed | 1960-05-23 | 1964-04-21 | 0 | Details |
| US2792287A | Synthetic rutile crystal and method for making same | Expired / Lapsed | 1956-04-04 | 1957-05-14 | 2 | Details |
| US2697051A | Treatment of titanium metal surfaces | Expired / Lapsed | 1952-09-17 | 1954-12-14 | 2 | Details |
| US2678887A | Hydration resistant calcium oxide refractories | Expired / Lapsed | 1951-12-10 | 1954-05-18 | 2 | Details |
| US2667673A | Apparatus for casting metallic rod | Expired / Lapsed | 1951-03-19 | 1954-02-02 | 0 | Details |
| US2607982A | Metallic composition | Expired / Lapsed | 1948-06-23 | 1952-08-26 | 2 | Details |
| US2571247A | Electrodialytic treatment of well-drilling fluids | Expired / Lapsed | 1943-09-06 | 1951-10-16 | 0 | Details |
| US2344319A | Method for the purification of titanium tetrachloride | Expired / Lapsed | 1942-09-11 | 1944-03-14 | 0 | Details |
| US2320498A | Process of making metal coated collapsible tubes | Expired / Lapsed | 1940-04-09 | 1943-06-01 | 0 | Details |
| US2242441A | Method of making bearings | Expired / Lapsed | 1938-08-15 | 1941-05-20 | 0 | Details |