Patent Explorer
Browse, filter, and analyze 11 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3699989A | Feedback control apparatus | Lummus Technology LLC | Expired / Lapsed | 1970-06-18 | 1972-10-24 | 1990-06-18 | 0.0 yrs | 26 | |
| US3402113A | Process for the electrolysis of alkali metal halide brines | Lummus Technology LLC | Expired / Lapsed | 1965-04-27 | 1968-09-17 | 1985-04-27 | 0.0 yrs | 2 | |
| US3400588A | Fluid pressure gauge | Lummus Technology LLC | Expired / Lapsed | 1965-05-27 | 1968-09-10 | 1985-05-27 | 0.0 yrs | 2 | |
| US2523174A | Heat exchanger | Lummus Technology LLC | Expired / Lapsed | 1946-03-20 | 1950-09-19 | 1966-03-20 | 0.0 yrs | 0 | |
| US2479544A | Tubular heater | Lummus Technology LLC | Expired / Lapsed | 1945-12-14 | 1949-08-16 | 1965-12-14 | 0.0 yrs | 0 | |
| US2397566A | Gas adsorption | Lummus Technology LLC | Expired / Lapsed | 1943-09-29 | 1946-04-02 | 1963-09-29 | 0.0 yrs | 0 | |
| US2338228A | Fermentation | Lummus Technology LLC | Expired / Lapsed | 1941-09-20 | 1944-01-04 | 1961-09-20 | 0.0 yrs | 0 | |
| US2305220A | Conversion of hydrocarbons | Lummus Technology LLC | Expired / Lapsed | 1939-09-19 | 1942-12-15 | 1959-09-19 | 0.0 yrs | 0 | |
| US2226496A | Method of attaching nozzles | Lummus Technology LLC | Expired / Lapsed | 1939-09-19 | 1940-12-24 | 1959-09-19 | 0.0 yrs | 0 | |
| US1942878A | Single pass heat exchanger | Lummus Technology LLC | Expired / Lapsed | 1932-11-23 | 1934-01-09 | 1952-11-23 | 0.0 yrs | 0 | |
| US1938247A | Apparatus for promoting liquidvapor or liquid-gas contact | Lummus Technology LLC | Expired / Lapsed | 1930-08-02 | 1933-12-05 | 1950-08-02 | 0.0 yrs | 0 |