CONTROL INSTR CO Inc
CONTROL INActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2715721A | Signal control circuit for coupling to metering system | Expired / Lapsed | 1949-11-05 | 1955-08-16 | 0 | Details |
| US2562232A | Card analyzer and printing means in a tabulator | Expired / Lapsed | 1947-02-27 | 1951-07-31 | 0 | Details |
| US2541247A | Switching system | Expired / Lapsed | 1947-11-26 | 1951-02-13 | 0 | Details |
| US2483551A | Data transfer mechanism for tabulators and the like | Expired / Lapsed | 1947-09-20 | 1949-10-04 | 0 | Details |
| US2461635A | Magnetostrictive pressure indicator | Expired / Lapsed | 1944-10-06 | 1949-02-15 | 0 | Details |
| US2459239A | Fault detector for transmission lines | Expired / Lapsed | 1947-05-22 | 1949-01-18 | 0 | Details |
| US2453911A | Selector mechanism | Expired / Lapsed | 1948-05-25 | 1948-11-16 | 0 | Details |
| US2441468A | Speed indicator | Expired / Lapsed | 1944-11-04 | 1948-05-11 | 0 | Details |
| US2440002A | Selective metering system with supervised control device | Expired / Lapsed | 1946-11-26 | 1948-04-20 | 0 | Details |
| US2435043A | Device for measuring rate of fluid flow | Expired / Lapsed | 1944-10-06 | 1948-01-27 | 0 | Details |
| US2398904A | Measuring device | Expired / Lapsed | 1943-07-30 | 1946-04-23 | 0 | Details |
| US2306691A | Apparatus for measuring salinity | Expired / Lapsed | 1940-08-01 | 1942-12-29 | 0 | Details |
| US2163161A | Magnetic unit | Expired / Lapsed | 1937-05-20 | 1939-06-20 | 0 | Details |
| US2109761A | Telephonic device | Expired / Lapsed | 1935-09-20 | 1938-03-01 | 0 | Details |