Patent Explorer
Browse, filter, and analyze 12 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2678912A | Apparatus for separating grit and grease from waste waters | Infilco Inc | Expired / Lapsed | 1949-11-04 | 1954-05-18 | 1969-11-04 | 0.0 yrs | 2 | |
| US2623112A | Telemetric transmitter | Infilco Inc | Expired / Lapsed | 1950-11-20 | 1952-12-23 | 1970-11-20 | 0.0 yrs | 0 | |
| US2570132A | Filter | Infilco Inc | Expired / Lapsed | 1949-09-13 | 1951-10-02 | 1969-09-13 | 0.0 yrs | 0 | |
| US2429316A | Process and apparatus for improving clarification of turbid liquids by use of partially thickened sludge | Infilco Inc | Expired / Lapsed | 1942-10-26 | 1947-10-21 | 1962-10-26 | 0.0 yrs | 0 | |
| US2402959A | Removal of boron from boron polluted substances | Infilco Inc | Expired / Lapsed | 1943-05-13 | 1946-07-02 | 1963-05-13 | 0.0 yrs | 0 | |
| US2363174A | Actuator control | Infilco Inc | Expired / Lapsed | 1942-11-04 | 1944-11-21 | 1962-11-04 | 0.0 yrs | 0 | |
| US2348123A | Treatment of liquid | Infilco Inc | Expired / Lapsed | 1940-09-13 | 1944-05-02 | 1960-09-13 | 0.0 yrs | 0 | |
| US2303597A | Measuring pump | Infilco Inc | Expired / Lapsed | 1940-05-09 | 1942-12-01 | 1960-05-09 | 0.0 yrs | 0 | |
| US2296437A | Water treatment and apparatus | Infilco Inc | Expired / Lapsed | 1938-11-25 | 1942-09-22 | 1958-11-25 | 0.0 yrs | 0 | |
| US2245587A | Liquid treating apparatus | Infilco Inc | Expired / Lapsed | 1936-06-05 | 1941-06-17 | 1956-06-05 | 0.0 yrs | 0 | |
| US2217751A | Program control | Infilco Inc | Expired / Lapsed | 1937-09-24 | 1940-10-15 | 1957-09-24 | 0.0 yrs | 0 | |
| US2138266A | Flow metering device | Infilco Inc | Expired / Lapsed | 1936-04-23 | 1938-11-29 | 1956-04-23 | 0.0 yrs | 0 |