Koninklijke Philips NV
KoninklijkActive Patents
0
Total Holdings
72
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0605924A2 | Multiplane information storage system and record carrier fo… | Expired / Lapsed | 1993-12-24 | — | 17 | Details |
| EP0137529A2 | Method for fabricating composite electrical transducers | Expired / Lapsed | 1984-08-13 | — | 12 | Details |
| EP0087836A1 | Carbonaceous sliding layer | Expired / Lapsed | 1983-02-21 | — | 0 | Details |
| GB2010681A | Syringe | Expired / Lapsed | 1978-12-20 | — | 0 | Details |
| GB1449986A | Hypodermic syringe | Expired / Lapsed | 1974-07-29 | — | 0 | Details |
| DE2419443A1 | MAGNETO-OPTICAL DEVICE | Expired / Lapsed | 1974-04-23 | — | 0 | Details |
| FR2138152A1 | FR2138152A1 - - Google Patents | Expired / Lapsed | 1972-05-19 | — | 0 | Details |
| JPS4840288A | JPS4840288A - - Google Patents | Expired / Lapsed | 1972-05-17 | — | 0 | Details |
| GB1318803A | Stopper for a hypodermic syringe | Expired / Lapsed | 1970-08-20 | — | 0 | Details |
| GB1106660A | Improvements relating to thermal regenerators | Expired / Lapsed | 1965-09-08 | — | 0 | Details |
| GB554004A | Improvements in or relating to lead-through conductors for … | Expired / Lapsed | 1942-02-11 | — | 0 | Details |
| GB554972A | Improvements in or relating to blocking layer rectifiers | Expired / Lapsed | 1941-09-11 | — | 0 | Details |
| GB549881A | Improvements in pressure sensitive devices in which the dis… | Expired / Lapsed | 1941-06-06 | — | 0 | Details |
| GB488842A | Improvements in or relating to circuit arrangements for the… | Expired / Lapsed | 1938-02-10 | — | 0 | Details |
| GB266396A | Improved process for continuously separating a gaseous mixt… | Expired / Lapsed | 1925-09-23 | — | 0 | Details |
| US6522324B1 | Deriving an iso-surface in a multi-dimensional data field | Expired / Lapsed | 1999-02-17 | 2003-02-18 | 10 | Details |
| US6510337B1 | Multi-phase cardiac imager | Expired / Lapsed | 2000-11-15 | 2003-01-21 | 23 | Details |
| US6469434B1 | Zinc silicate luminescent materials and related luminescent… | Expired / Lapsed | 1999-11-10 | 2002-10-22 | 23 | Details |
| US5577505A | Means for increasing sensitivity in non-linear ultrasound i… | Expired / Lapsed | 1996-02-06 | 1996-11-26 | 14 | Details |
| US5538004A | Method and apparatus for tissue-centered scan conversion in… | Expired / Lapsed | 1995-02-28 | 1996-07-23 | 23 | Details |
| US5195521A | Tissue measurements | Expired / Lapsed | 1990-11-09 | 1993-03-23 | 33 | Details |
| US5176142A | Endoscopic ultrasound probe with take-up cable mechanism | Expired / Lapsed | 1991-04-16 | 1993-01-05 | 11 | Details |
| US4939826A | Ultrasonic transducer arrays and methods for the fabricatio… | Expired / Lapsed | 1988-03-04 | 1990-07-10 | 11 | Details |
| US4761740A | Combined color flow map and monochrome image | Expired / Lapsed | 1986-03-07 | 1988-08-02 | 2 | Details |
| US4468747A | Scan converter system | Expired / Lapsed | 1982-01-19 | 1984-08-28 | 5 | Details |
| GB2005079B | Programmable read-only memory cell | Expired / Lapsed | 1978-09-27 | 1982-02-24 | 0 | Details |
| GB2005078B | Programmable read-only memory cell | Expired / Lapsed | 1978-09-27 | 1982-02-17 | 0 | Details |
| US3796929A | Junction isolated integrated circuit resistor with crystal … | Expired / Lapsed | 1971-12-02 | 1974-03-12 | 12 | Details |
| FR1404217A | electrical building element | Expired / Lapsed | 1964-08-12 | 1965-06-25 | 0 | Details |
| CA664730A | Thawing device for deep-frozen substances | Expired / Lapsed | — | 1963-06-11 | 0 | Details |
| FR1232185A | Electronic door or the like of the so-called or exclusive k… | Expired / Lapsed | 1959-08-11 | 1960-10-06 | 0 | Details |
| FR1201512A | Device for obtaining an adjustable partial voltage from the… | Expired / Lapsed | 1958-03-07 | 1959-12-30 | 0 | Details |
| FR1154513A | Device for recording and reproducing magnetic recordings | Expired / Lapsed | 1956-06-08 | 1958-04-11 | 0 | Details |
| FR1139314A | Closed ferromagnetic circuit device with high remanence | Expired / Lapsed | 1955-09-02 | 1957-06-27 | 0 | Details |
| FR1131428A | Mounting equivalent to a variable electric resistance | Expired / Lapsed | 1954-12-02 | 1957-02-21 | 0 | Details |
| FR1110585A | Electronic switch | Expired / Lapsed | 1954-10-22 | 1956-02-14 | 0 | Details |
| FR1109404A | multilayer type transistor element and method of manufactur… | Expired / Lapsed | 1954-01-20 | 1956-01-27 | 0 | Details |
| FR1103375A | Radio receiver | Expired / Lapsed | 1954-07-02 | 1955-11-02 | 0 | Details |
| FR1084478A | Amplifier assembly | Expired / Lapsed | 1953-09-25 | 1955-01-19 | 0 | Details |
| US2698379A | Transmission system for stereophonic signals | Expired / Lapsed | 1952-04-03 | 1954-12-28 | 0 | Details |
| FR944142A | Electrical signal amplifier assembly | Expired / Lapsed | 1947-03-28 | 1949-03-28 | 0 | Details |
| FR894223A | DC or AC cut-off device | Expired / Lapsed | 1943-04-23 | 1944-12-18 | 0 | Details |
| US2258643A | Distortion correction for cathode ray tubes | Expired / Lapsed | 1939-04-22 | 1941-10-14 | 0 | Details |
| US2244009A | Electrical apparatus | Expired / Lapsed | 1939-08-04 | 1941-06-03 | 0 | Details |
| US2231389A | Tunable oscillatory circuits | Expired / Lapsed | 1939-09-27 | 1941-02-11 | 0 | Details |
| US2177360A | Optical image intensifier | Expired / Lapsed | 1936-07-03 | 1939-10-24 | 0 | Details |
| US2176212A | Radio receiving apparatus | Expired / Lapsed | 1937-08-27 | 1939-10-17 | 0 | Details |
| US2173904A | Electrode system of unsymmetrical conductivity | Expired / Lapsed | 1936-03-04 | 1939-09-26 | 0 | Details |
| US2173249A | Asymmetric electrode system | Expired / Lapsed | 1936-10-21 | 1939-09-19 | 0 | Details |
| US2171645A | Automatic volume control circuits | Expired / Lapsed | 1937-06-25 | 1939-09-05 | 0 | Details |
| US2162613A | Electrode system and method of making same | Expired / Lapsed | 1937-08-09 | 1939-06-13 | 0 | Details |
| US2161458A | Luminescent screen | Expired / Lapsed | 1936-09-22 | 1939-06-06 | 0 | Details |
| US2161600A | Electrode system for rectifying or controlling high or inte… | Expired / Lapsed | 1936-06-20 | 1939-06-06 | 0 | Details |
| US2152336A | Method and device for remote tuning of radio receiving appa… | Expired / Lapsed | 1937-06-11 | 1939-03-28 | 0 | Details |
| US2146025A | Coating by cathode disintegration | Expired / Lapsed | 1936-11-07 | 1939-02-07 | 0 | Details |
| US2144822A | Circuit arrangement for facilitating the tuning of radio re… | Expired / Lapsed | 1937-08-20 | 1939-01-24 | 0 | Details |
| US2141369A | Device for converting direct current into alternating curre… | Expired / Lapsed | 1936-09-30 | 1938-12-27 | 0 | Details |
| US2139731A | Asymmetric electrode system | Expired / Lapsed | 1936-05-23 | 1938-12-13 | 0 | Details |
| US2130073A | Electrolytic condenser | Expired / Lapsed | 1937-02-19 | 1938-09-13 | 0 | Details |
| US2129990A | Telephony | Expired / Lapsed | 1936-09-19 | 1938-09-13 | 0 | Details |
| US2130254A | Method of molding tubular members | Expired / Lapsed | 1935-07-02 | 1938-09-13 | 0 | Details |
| US2109879A | Asymmetric electrode system | Expired / Lapsed | 1936-12-30 | 1938-03-01 | 0 | Details |
| US2061011A | Circuit arrangement for electrical time control | Expired / Lapsed | 1933-07-16 | 1936-11-17 | 0 | Details |
| US2005035A | X-ray apparatus | Expired / Lapsed | 1933-05-22 | 1935-06-18 | 0 | Details |
| US2002221A | Dry rectifier | Expired / Lapsed | 1931-05-01 | 1935-05-21 | 0 | Details |
| US1904276A | Dry rectifier | Expired / Lapsed | 1931-01-22 | 1933-04-18 | 0 | Details |
| FR725585A | Method and device for mechanically joining two bodies using… | Expired / Lapsed | 1931-11-04 | 1932-05-13 | 0 | Details |
| US1852893A | Rectifying installation | Expired / Lapsed | 1928-03-16 | 1932-04-05 | 0 | Details |
| US1829603A | Rectifying installation | Expired / Lapsed | 1927-11-18 | 1931-10-27 | 0 | Details |
| US1818909A | Process for precipitating rhodium, iridium, osmium, rutheni… | Expired / Lapsed | 1928-05-14 | 1931-08-11 | 0 | Details |
| US1774410A | Process of precipitating boron | Expired / Lapsed | 1926-08-18 | 1930-08-26 | 0 | Details |
| US1772133A | Device for rectifying alternating current | Expired / Lapsed | 1926-07-23 | 1930-08-05 | 0 | Details |