Philips North America LLC
Philips NoActive Patents
0
Total Holdings
38
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5239591A | Contour extraction in multi-phase, multi-slice cardiac mri … | Expired / Lapsed | 1991-07-03 | 1993-08-24 | 19 | Details |
| US5048528A | Alias suppression in pulsed doppler systems | Expired / Lapsed | 1990-11-15 | 1991-09-17 | 12 | Details |
| US4622501A | Ultrasonic sector scanner | Expired / Lapsed | 1985-05-10 | 1986-11-11 | 19 | Details |
| US4587971A | Ultrasonic scanning apparatus | Expired / Lapsed | 1984-11-29 | 1986-05-13 | 8 | Details |
| US4290433A | Method and apparatus for detecting the presence of caries i… | Expired / Lapsed | 1979-08-20 | 1981-09-22 | 37 | Details |
| US4281550A | Curved array of sequenced ultrasound transducers | Expired / Lapsed | 1979-12-17 | 1981-08-04 | 22 | Details |
| US3885251A | Artificial heart pump or assist | Expired / Lapsed | 1973-03-05 | 1975-05-27 | 15 | Details |
| US3833817A | Emergency lighting system | Expired / Lapsed | 1973-04-16 | 1974-09-03 | 14 | Details |
| US3679826A | Solid state image sensing device | Expired / Lapsed | 1970-07-06 | 1972-07-25 | 7 | Details |
| US3622698A | Facsimile system with selective contrast control | Expired / Lapsed | 1969-03-03 | 1971-11-23 | 31 | Details |
| US3600506A | Background sensing and black level setting circuit | Expired / Lapsed | 1969-03-03 | 1971-08-17 | 12 | Details |
| US3586303A | Carbon mold for manufacture of tantalum carbide filaments | Expired / Lapsed | 1969-05-19 | 1971-06-22 | 3 | Details |
| US3537886A | Flash evaporation of corrosive media | Expired / Lapsed | 1967-04-13 | 1970-11-03 | 0 | Details |
| US3446073A | Method of and device for thermally measuring blood flow | Expired / Lapsed | 1966-07-11 | 1969-05-27 | 0 | Details |
| US3443169A | Semiconductor device | Expired / Lapsed | 1966-08-26 | 1969-05-06 | 0 | Details |
| US3433978A | Low output impedance majority logic inverting circuit | Expired / Lapsed | 1965-04-01 | 1969-03-18 | 0 | Details |
| US3421146A | Transmission systems for the transmission of pulses | Expired / Lapsed | 1965-02-08 | 1969-01-07 | 0 | Details |
| US3308010A | Cryogenic and thermal seal for electrical members | Expired / Lapsed | 1966-03-23 | 1967-03-07 | 1 | Details |
| US3297379A | File selector | Expired / Lapsed | 1964-11-12 | 1967-01-10 | 2 | Details |
| US3241373A | Static safety and arming device | Expired / Lapsed | 1961-04-17 | 1966-03-22 | 2 | Details |
| US3220301A | Coding and photographing device | Expired / Lapsed | 1960-07-11 | 1965-11-30 | 2 | Details |
| US3119071A | Digital pattern generator | Expired / Lapsed | 1961-03-30 | 1964-01-21 | 2 | Details |
| US3077581A | Dynamic information storage unit | Expired / Lapsed | 1959-02-02 | 1963-02-12 | 1 | Details |
| US3017521A | Transistor circuit for producing a pulse output for each in… | Expired / Lapsed | 1958-07-01 | 1962-01-16 | 0 | Details |
| US2988216A | Card processing system | Expired / Lapsed | 1956-07-06 | 1961-06-13 | 0 | Details |
| US2945931A | Switch assembly | Expired / Lapsed | 1957-04-15 | 1960-07-19 | 0 | Details |
| US2932699A | Switching assembly | Expired / Lapsed | 1957-04-30 | 1960-04-12 | 0 | Details |
| US2894457A | Detonation delay device | Expired / Lapsed | 1955-03-18 | 1959-07-14 | 0 | Details |
| US2829266A | High speed counting apparatus | Expired / Lapsed | 1954-05-10 | 1958-04-01 | 0 | Details |
| US2802953A | Magnetic flip-flop | Expired / Lapsed | 1955-04-25 | 1957-08-13 | 0 | Details |
| US2520222A | Lattice type grille | Expired / Lapsed | 1945-06-29 | 1950-08-29 | 0 | Details |
| US2426322A | Electric impulse generator | Expired / Lapsed | 1943-06-30 | 1947-08-26 | 0 | Details |
| US2355788A | Electrolytic capacitor | Expired / Lapsed | 1940-12-12 | 1944-08-15 | 0 | Details |
| US2279119A | Combined sound and picture reproducing apparatus | Expired / Lapsed | 1939-06-02 | 1942-04-07 | 0 | Details |
| US2203277A | Thermionic tube circuit | Expired / Lapsed | 1937-09-04 | 1940-06-04 | 0 | Details |
| US1754928A | Loud-speaker | Expired / Lapsed | 1927-07-28 | 1930-04-15 | 0 | Details |
| US1657208A | Vacuum tube | Expired / Lapsed | 1925-03-23 | 1928-01-24 | 0 | Details |
| US1579402A | Electric heater | Expired / Lapsed | 1923-07-02 | 1926-04-06 | 0 | Details |