Singer Co
Singer CoActive Patents
0
Total Holdings
53
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB2008884A | Receiver bandwidth conservation in a doppler radar | Expired / Lapsed | 1978-08-16 | — | 0 | Details |
| US4493647A | Weather radar simulator | Expired / Lapsed | 1982-03-29 | 1985-01-15 | 6 | Details |
| US4129813A | Method and apparatus for adaptive control of a stepper motor | Expired / Lapsed | 1977-07-26 | 1978-12-12 | 41 | Details |
| US3957004A | Hand-operated lock stitch sewing machine | Expired / Lapsed | 1975-04-25 | 1976-05-18 | 7 | Details |
| US3903504A | Binary phase digital decoding system | Expired / Lapsed | 1974-03-20 | 1975-09-02 | 11 | Details |
| US3900879A | Electronic countermeasures system | Expired / Lapsed | 1968-04-11 | 1975-08-19 | 7 | Details |
| US3836855A | Modulating system | Expired / Lapsed | 1958-05-05 | 1974-09-17 | 24 | Details |
| US3828185A | Modulated light communication system | Expired / Lapsed | 1960-12-01 | 1974-08-06 | 67 | Details |
| US3819920A | Digital frequency tracker | Expired / Lapsed | 1973-01-29 | 1974-06-25 | 11 | Details |
| US3793508A | Film frame counter | Expired / Lapsed | 1971-12-21 | 1974-02-19 | 26 | Details |
| US3773422A | Calculating linear dimensions from tv images | Expired / Lapsed | 1971-04-07 | 1973-11-20 | 8 | Details |
| US3747094A | Correlator | Expired / Lapsed | 1962-08-27 | 1973-07-17 | 17 | Details |
| US3728635A | Pulsed selectable delay system | Expired / Lapsed | 1971-09-08 | 1973-04-17 | 7 | Details |
| US3725873A | Calculator having a sequential access stack | Expired / Lapsed | 1971-04-07 | 1973-04-03 | 25 | Details |
| US3723873A | Radiation method for determining semiconductor stability an… | Expired / Lapsed | 1971-01-21 | 1973-03-27 | 13 | Details |
| US3721977A | Image beam lock-on detector | Expired / Lapsed | 1971-08-26 | 1973-03-20 | 15 | Details |
| US3668693A | Analog-to-digital converter | Expired / Lapsed | 1970-07-20 | 1972-06-06 | 7 | Details |
| US3665426A | Alterable read only memory organization | Expired / Lapsed | 1970-10-07 | 1972-05-23 | 10 | Details |
| US3646545A | Ladderless digital-to-analog converter | Expired / Lapsed | 1970-06-04 | 1972-02-29 | 17 | Details |
| US3631403A | Retail sales transaction terminal | Expired / Lapsed | 1969-09-08 | 1971-12-28 | 17 | Details |
| US3631233A | Binary vector rotator and angle-to-binary converter | Expired / Lapsed | 1969-08-08 | 1971-12-28 | 14 | Details |
| US3583716A | Chuck assembly for power tools | Expired / Lapsed | 1969-02-06 | 1971-06-08 | 5 | Details |
| US3500363A | Scanning apparatus | Expired / Lapsed | 1966-07-11 | 1970-03-10 | 0 | Details |
| US3382436A | Panoramic solid-lined and dotted graphic display systems | Expired / Lapsed | 1965-07-22 | 1968-05-07 | 1 | Details |
| US3330113A | Power brakes | Expired / Lapsed | 1966-08-05 | 1967-07-11 | 2 | Details |
| US3300700A | Speed control circuit for series motors | Expired / Lapsed | 1964-07-31 | 1967-01-24 | 2 | Details |
| US3225570A | Automatic stitch control | Expired / Lapsed | 1963-06-27 | 1965-12-28 | 2 | Details |
| US2981880A | Speed-regulating control system for series commutator motor | Expired / Lapsed | 1959-12-23 | 1961-04-25 | 0 | Details |
| US2939064A | Motor control systems | Expired / Lapsed | 1959-05-20 | 1960-05-31 | 0 | Details |
| US2809874A | Safety latches | Expired / Lapsed | 1953-05-11 | 1957-10-15 | 0 | Details |
| US2755755A | Sewing machine feed wheel constructions | Expired / Lapsed | 1953-12-29 | 1956-07-24 | 0 | Details |
| US2669206A | Needle stabilizer for sewing machines | Expired / Lapsed | 1951-12-15 | 1954-02-16 | 0 | Details |
| US2559298A | Automatic pilot with frictional precession and electric fol… | Expired / Lapsed | 1946-07-31 | 1951-07-03 | 0 | Details |
| US2539375A | Radio-frequency bar sealer and control apparatus therefor | Expired / Lapsed | 1947-11-21 | 1951-01-23 | 0 | Details |
| US2453680A | Speed and frequency control apparatus for radio-frequency b… | Expired / Lapsed | 1944-12-07 | 1948-11-09 | 0 | Details |
| US2432412A | Bonding machine | Expired / Lapsed | 1945-03-05 | 1947-12-09 | 0 | Details |
| US2394517A | Cooling means for dynamoelectric machines | Expired / Lapsed | 1943-02-16 | 1946-02-05 | 0 | Details |
| US2393911A | Auxiliary release for the spool holders of surgical stitchi… | Expired / Lapsed | 1943-10-20 | 1946-01-29 | 0 | Details |
| US2393910A | Universal surgical stitching instrument | Expired / Lapsed | 1943-07-08 | 1946-01-29 | 0 | Details |
| US2384772A | Sewing machine motor controller | Expired / Lapsed | 1943-05-26 | 1945-09-11 | 0 | Details |
| US2365657A | Centrifugal motor speed governor having inertia effect | Expired / Lapsed | 1943-09-02 | 1944-12-19 | 0 | Details |
| US2361007A | Centrifugal fan | Expired / Lapsed | 1941-12-05 | 1944-10-24 | 0 | Details |
| US2351508A | Electric motor control system | Expired / Lapsed | 1943-05-08 | 1944-06-13 | 0 | Details |
| US2348218A | Surgical stitching instrument | Expired / Lapsed | 1942-04-09 | 1944-05-09 | 0 | Details |
| US2336690A | Needle clamp for surgical stitching instruments | Expired / Lapsed | 1941-06-19 | 1943-12-14 | 0 | Details |
| US2327353A | Instrument for suturing | Expired / Lapsed | 1940-12-12 | 1943-08-24 | 0 | Details |
| US2323178A | Ventilating unit | Expired / Lapsed | 1941-01-09 | 1943-06-29 | 0 | Details |
| US2318385A | Uncurling guide for sewing machines | Expired / Lapsed | 1941-03-22 | 1943-05-04 | 0 | Details |
| US2138760A | Sewing machine | Expired / Lapsed | 1937-06-04 | 1938-11-29 | 0 | Details |
| US2133127A | Sewing machine cabinet | Expired / Lapsed | 1936-12-16 | 1938-10-11 | 0 | Details |
| US1884404A | Feeding mechanisms for sewing machines | Expired / Lapsed | 1931-05-21 | 1932-10-25 | 0 | Details |
| US1592915A | Sewing-machine light | Expired / Lapsed | 1921-12-14 | 1926-07-20 | 0 | Details |
| US1057809A | Sewing-machine stand. | Expired / Lapsed | 1906-06-16 | 1913-04-01 | 0 | Details |