Patent US3260902A successfully refreshed from Google Patents.
Barnes Engineering Co
Barnes EngActive Patents
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Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4063093A | Infrared vidicon system | Expired / Lapsed | 1976-11-22 | 1977-12-13 | 8 | Details |
| US3942891A | Radiometer probe | Expired / Lapsed | 1975-01-29 | 1976-03-09 | 5 | Details |
| US3858192A | Intrusion detector alarm system having logic circuitry for … | Expired / Lapsed | 1972-12-26 | 1974-12-31 | 3 | Details |
| US3829693A | Dual field of view intrusion detector | Expired / Lapsed | 1973-10-03 | 1974-08-13 | 11 | Details |
| US3792275A | Infrared intrusion sensor | Expired / Lapsed | 1972-12-26 | 1974-02-12 | 8 | Details |
| US3581092A | Pyroelectric detector array | Expired / Lapsed | 1969-04-09 | 1971-05-25 | 6 | Details |
| US3539803A | Pyroelectric detector assembly | Expired / Lapsed | 1967-12-21 | 1970-11-10 | 0 | Details |
| US3531642A | Thermographic scanner and recorder | Expired / Lapsed | 1968-06-14 | 1970-09-29 | 0 | Details |
| US3499153A | Nondestructive testing of materials by infrared radiation | Expired / Lapsed | 1967-01-09 | 1970-03-03 | 0 | Details |
| US3475963A | Clear air turbulence radiometer | Expired / Lapsed | 1968-02-02 | 1969-11-04 | 0 | Details |
| US3449121A | Infrared thermometer | Expired / Lapsed | 1967-01-13 | 1969-06-10 | 0 | Details |
| US3418478A | Horizon sensor using two stationary fields of view separate… | Expired / Lapsed | 1966-08-29 | 1968-12-24 | 0 | Details |
| US3402295A | Process for measuring the distance from thermal discontinui… | Expired / Lapsed | 1965-04-16 | 1968-09-17 | 0 | Details |
| US3400266A | Infrared radiometric microscope | Expired / Lapsed | 1964-12-02 | 1968-09-03 | 0 | Details |
| US3397314A | Infrared imaging system comprising an array of immersed det… | Expired / Lapsed | 1966-05-18 | 1968-08-13 | 2 | Details |
| US3392282A | Automatic method of compensating radiometers for emissivity… | Expired / Lapsed | 1964-12-10 | 1968-07-09 | 0 | Details |
| US3389256A | Thermometer for measuring distant temperature discontinuiti… | Expired / Lapsed | 1965-03-04 | 1968-06-18 | 0 | Details |
| US3374354A | Infrared radiometer scanning device with predetermined scan… | Expired / Lapsed | 1965-04-12 | 1968-03-19 | 0 | Details |
| US3364066A | Black pigment for the blackening of infrared radiation dete… | Expired / Lapsed | 1964-06-30 | 1968-01-16 | 0 | Details |
| US3348408A | Reference source for calibration of thermographic instrumen… | Expired / Lapsed | 1965-04-01 | 1967-10-24 | 2 | Details |
| US3338656A | Frustrated internal reflection modulator and a method of ma… | Expired / Lapsed | 1963-12-12 | 1967-08-29 | 2 | Details |
| US3312572A | Process of preparing thin film semiconductor thermistor bol… | Expired / Lapsed | 1963-06-07 | 1967-04-04 | 2 | Details |
| US3305732A | Spurious signal void circuit | Expired / Lapsed | 1963-06-10 | 1967-02-21 | 2 | Details |
| US3277311A | Pulse width discriminator scanner circuit | Expired / Lapsed | 1963-06-10 | 1966-10-04 | 2 | Details |
| US3272013A | Combined radiometer and emissometer | Expired / Lapsed | 1963-08-29 | 1966-09-13 | 2 | Details |
| US3267403A | Black coating for fragile infrared radiation detectors | Expired / Lapsed | 1963-09-04 | 1966-08-16 | 2 | Details |
| US3254307A | Signal channel range change circuit | Expired / Lapsed | 1963-04-12 | 1966-05-31 | 2 | Details |
| US3245402A | Process of diagnosis by infrared thermography | Expired / Lapsed | 1963-05-21 | 1966-04-12 | 2 | Details |
| US3242485A | Infrared acquisition aid for a tracking system | Expired / Lapsed | 1964-03-30 | 1966-03-22 | 2 | Details |
| US3233121A | Low noise switching circuits | Expired / Lapsed | 1962-06-01 | 1966-02-01 | 2 | Details |
| US3211912A | Photosensitive multi-element detector sampling system | Expired / Lapsed | 1963-03-07 | 1965-10-12 | 2 | Details |
| US3209073A | Extreme wide angle television photography | Expired / Lapsed | 1961-09-18 | 1965-09-28 | 2 | Details |
| US3204100A | Infrared radiometer with background elimination | Expired / Lapsed | 1961-10-05 | 1965-08-31 | 2 | Details |
| US3202820A | Infrared detector mounting structure | Expired / Lapsed | 1963-01-28 | 1965-08-24 | 2 | Details |
| US3179805A | Combined radiometer and emissometer | Expired / Lapsed | 1962-07-11 | 1965-04-20 | 2 | Details |
| US3161771A | Temperature compensated radiometer system | Expired / Lapsed | 1962-01-19 | 1964-12-15 | 2 | Details |
| US3153723A | Internal mirror drum scanning device | Expired / Lapsed | 1961-12-20 | 1964-10-20 | 2 | Details |
| US3147381A | Two color radiometer for distinguishing radiations from sou… | Expired / Lapsed | 1961-06-30 | 1964-09-01 | 1 | Details |
| US3138697A | Black body radiation sources | Expired / Lapsed | 1962-10-16 | 1964-06-23 | 2 | Details |
| US3133200A | Photosensitive image displacement detecting system | Expired / Lapsed | 1960-02-23 | 1964-05-12 | 2 | Details |
| US3130308A | Three detector frequency sharing system for radiometers | Expired / Lapsed | 1956-11-19 | 1964-04-21 | 2 | Details |
| US3119086A | Wedge immersed thermistor bolometers | Expired / Lapsed | 1961-08-29 | 1964-01-21 | 2 | Details |
| US3097300A | Thermal detector and reference source | Expired / Lapsed | 1960-10-06 | 1963-07-09 | 2 | Details |
| US3091690A | Two path infrared gas analyzer having one enclosed path | Expired / Lapsed | 1960-06-16 | 1963-05-28 | 2 | Details |
| US3084253A | Continuously self-calibrating differential detection system | Expired / Lapsed | 1960-09-06 | 1963-04-02 | 2 | Details |
| US3057248A | Dispersion prism with no deviation | Expired / Lapsed | 1961-04-13 | 1962-10-09 | 0 | Details |
| US3039006A | Radiometers with linearized final output | Expired / Lapsed | 1960-09-26 | 1962-06-12 | 0 | Details |
| US3021749A | Azimuth transfer system | Expired / Lapsed | 1960-03-09 | 1962-02-20 | 0 | Details |
| US3003064A | Infrared dimensional gage | Expired / Lapsed | 1960-02-19 | 1961-10-03 | 0 | Details |
| US2986717A | Thermistor bolometers | Expired / Lapsed | 1960-05-11 | 1961-05-30 | 0 | Details |
| US2983887A | Radiation sensitive devices | Expired / Lapsed | 1954-09-29 | 1961-05-09 | 0 | Details |
| US2963910A | Electrical signal offsetting apparatus | Expired / Lapsed | 1955-08-15 | 1960-12-13 | 0 | Details |
| US2961545A | Tracker for moving objects | Expired / Lapsed | 1959-10-23 | 1960-11-22 | 0 | Details |
| US2895049A | Image transducer | Expired / Lapsed | 1957-06-26 | 1959-07-14 | 0 | Details |
| US2852764A | Data conversion system | Expired / Lapsed | 1953-06-25 | 1958-09-16 | 0 | Details |