Varian Medical Systems Inc
Varian MedActive Patents
0
Total Holdings
84
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| FR2532851A1 | APPLICATOR FOR ULTRASONIC HYPERTHERMIA WITH VARIABLE COHERE… | Expired / Lapsed | 1983-09-14 | — | 0 | Details |
| DE2713087A1 | PROCESS FOR IMPROVING THE RESOLUTION OF ULTRASONIC IMAGES A… | Expired / Lapsed | 1977-03-24 | — | 0 | Details |
| GB1156893A | Microwave Apparatus | Expired / Lapsed | 1968-01-16 | — | 0 | Details |
| DE1539142A1 | Device for magnetically constricted glow discharge | Expired / Lapsed | 1965-06-28 | — | 0 | Details |
| US4622972A | Ultrasound hyperthermia applicator with variable coherence … | Expired / Lapsed | 1982-09-15 | 1986-11-18 | 73 | Details |
| US4589424A | Microwave hyperthermia applicator with variable radiation p… | Expired / Lapsed | 1983-08-22 | 1986-05-20 | 5 | Details |
| US4422860A | On-column capillary gas chromatographic injector | Expired / Lapsed | 1982-01-26 | 1983-12-27 | 27 | Details |
| US4388601A | Symmetrizing means for RF coils in a microwave cavity | Expired / Lapsed | 1981-09-30 | 1983-06-14 | 12 | Details |
| US4291541A | Cryostat with external refrigerator for super-conducting NM… | Expired / Lapsed | 1980-06-30 | 1981-09-29 | 3 | Details |
| US4166783A | Deposition rate regulation by computer control of sputterin… | Expired / Lapsed | 1978-04-17 | 1979-09-04 | 9 | Details |
| US4149247A | Tomographic apparatus and method for reconstructing planar … | Expired / Lapsed | 1975-12-23 | 1979-04-10 | 51 | Details |
| US4095168A | Rf pick-up coil circuit for a wide tuning range nuclear mag… | Expired / Lapsed | 1977-02-22 | 1978-06-13 | 13 | Details |
| US4088944A | NMR Spectrometer employing self centering turbine | Expired / Lapsed | 1976-10-04 | 1978-05-09 | 12 | Details |
| US4084718A | Compression seal for elastomeric septum | Expired / Lapsed | 1977-02-28 | 1978-04-18 | 5 | Details |
| US4068161A | Gyromagnetic resonance spectroscopy employing spin echo spi… | Expired / Lapsed | 1976-05-13 | 1978-01-10 | 16 | Details |
| US4045723A | Two dimensional gyromagnetic resonance spectroscopy | Expired / Lapsed | 1975-12-15 | 1977-08-30 | 15 | Details |
| US4030829A | Keying waveform generator for spectrophotometer | Expired / Lapsed | 1976-04-12 | 1977-06-21 | 18 | Details |
| US3969629A | X-ray treatment machine having means for reducing secondary… | Expired / Lapsed | 1975-03-14 | 1976-07-13 | 10 | Details |
| US3955089A | Automatic steering of a high velocity beam of charged parti… | Expired / Lapsed | 1974-10-21 | 1976-05-04 | 2 | Details |
| US3821777A | Avalanche photodiode | Expired / Lapsed | 1972-09-22 | 1974-06-28 | 0 | Details |
| US3790838A | X-ray tube target | Expired / Lapsed | 1973-02-27 | 1974-02-05 | 12 | Details |
| US3783251A | Computer assisted radiation therapy machine | Expired / Lapsed | 1970-11-27 | 1974-01-01 | 10 | Details |
| US3777124A | Computer assisted radiation therapy machine | Expired / Lapsed | 1970-11-27 | 1973-12-04 | 10 | Details |
| US3753081A | Gyromagnetic resonance method and apparatus for obtaining s… | Expired / Lapsed | 1971-12-30 | 1973-08-14 | 14 | Details |
| US3681683A | Gyromagnetic resonance spectrometer utilizing an improved s… | Expired / Lapsed | 1970-09-14 | 1972-08-01 | 19 | Details |
| US3675204A | Status system | Expired / Lapsed | 1970-05-04 | 1972-07-04 | 32 | Details |
| US3662566A | Cryostat having heat exchanging means in a vent tube | Expired / Lapsed | 1970-02-09 | 1972-05-16 | 7 | Details |
| US3627422A | Means for avoiding locking in ring lasers | Expired / Lapsed | 1965-06-21 | 1971-12-14 | 17 | Details |
| US3609520A | Bimodel cavity resonator for microwave spectrometers | Expired / Lapsed | 1970-02-04 | 1971-09-28 | 9 | Details |
| US3604970A | Nonelectron emissive electrode structure utilizing ion-plat… | Expired / Lapsed | 1968-10-14 | 1971-09-14 | 0 | Details |
| US3577067A | Persistent mode superconductive orthogonal gradient cancell… | Expired / Lapsed | 1966-05-11 | 1971-05-04 | 8 | Details |
| US3566255A | Apparatus for improving the homogeneity of magnetic fields | Expired / Lapsed | 1959-03-06 | 1971-02-23 | 0 | Details |
| US3549848A | Composite microwave applicator and product conveyor | Expired / Lapsed | 1969-02-06 | 1970-12-22 | 0 | Details |
| US3530371A | Internal field-frequency control for impulse gyromagnetic r… | Expired / Lapsed | 1968-07-01 | 1970-09-22 | 0 | Details |
| US3523158A | Electrographic color image printing apparatus employing tri… | Expired / Lapsed | 1967-01-30 | 1970-08-04 | 0 | Details |
| US3512078A | Gyromagnetic resonance spectrometer employing air pressure … | Expired / Lapsed | 1967-06-12 | 1970-05-12 | 0 | Details |
| US3469209A | Microwave bulk-effect negative-resistance device having a h… | Expired / Lapsed | 1967-06-30 | 1969-09-23 | 0 | Details |
| US3460083A | Permanent magnet employing an adjustable shunt internally o… | Expired / Lapsed | 1967-06-12 | 1969-08-05 | 0 | Details |
| US3394300A | Gyromagnetic resonance method and apparatus | Expired / Lapsed | 1965-03-12 | 1968-07-23 | 0 | Details |
| US3391547A | Capacitive liquid level sensor using phase sensitive detect… | Expired / Lapsed | 1966-02-28 | 1968-07-09 | 0 | Details |
| US3376501A | Cell for determining the conductivity of liquids entrained … | Expired / Lapsed | 1966-12-09 | 1968-04-02 | 0 | Details |
| US3364087A | Method of using laser to coat or etch substrate | Expired / Lapsed | 1964-04-27 | 1968-01-16 | 1 | Details |
| US3355818A | Automated instruction apparatus | Expired / Lapsed | 1964-02-27 | 1967-12-05 | 2 | Details |
| US3348136A | Gyromagnetic resonance apparatus utilizing two-sample signa… | Expired / Lapsed | 1965-05-05 | 1967-10-17 | 2 | Details |
| US3336535A | Semiconductor microwave oscillator | Expired / Lapsed | 1966-02-14 | 1967-08-15 | 2 | Details |
| US3309302A | Method of preparing an electron tube including sputtering a… | Expired / Lapsed | 1963-10-07 | 1967-03-14 | 2 | Details |
| US3267368A | Magnetic field sensing device | Expired / Lapsed | 1963-01-21 | 1966-08-16 | 2 | Details |
| US3250985A | Microwave cavity resonator | Expired / Lapsed | 1962-10-23 | 1966-05-10 | 2 | Details |
| US3243683A | Direct current converter with voltage multiplication | Expired / Lapsed | 1961-11-29 | 1966-03-29 | 2 | Details |
| US3197692A | Gyromagnetic resonance spectroscopy | Expired / Lapsed | 1962-04-02 | 1965-07-27 | 2 | Details |
| US3150313A | Modulation of a light beam by absorbing quantum systems exh… | Expired / Lapsed | 1957-04-16 | 1964-09-22 | 2 | Details |
| US3144552A | Apparatus for the iradiation of materials with a pulsed str… | Expired / Lapsed | 1960-08-24 | 1964-08-11 | 2 | Details |
| US3122703A | Gyromagnetic resonance method and apparatus | Expired / Lapsed | 1959-12-21 | 1964-02-25 | 2 | Details |
| US3091732A | Gyromagnetic resonance method and apparatus | Expired / Lapsed | 1958-06-05 | 1963-05-28 | 2 | Details |
| US3024456A | Composite instrument | Expired / Lapsed | 1956-06-01 | 1962-03-06 | 0 | Details |
| US2999448A | Dust free work bench apparatus | Expired / Lapsed | 1958-03-06 | 1961-09-12 | 0 | Details |
| US2988667A | Grid structure and method of making the same | Expired / Lapsed | 1957-08-20 | 1961-06-13 | 0 | Details |
| FR1228868A | Improvements to the methods of alignment and orientation of… | Expired / Lapsed | 1959-02-20 | 1960-09-02 | 0 | Details |
| US2939072A | Magnetoabsorption method and apparatus for modulation | Expired / Lapsed | 1956-05-14 | 1960-05-31 | 0 | Details |
| US2929018A | Gradiometer | Expired / Lapsed | 1954-05-11 | 1960-03-15 | 0 | Details |
| US2894209A | Gyromagnetic resonance apparatus | Expired / Lapsed | 1953-07-13 | 1959-07-07 | 0 | Details |
| US2864995A | Apparatus for controlling the temperatures of operation in … | Expired / Lapsed | 1956-11-26 | 1958-12-16 | 0 | Details |
| US2856579A | Gyromagnetic resonance magnetometer | Expired / Lapsed | 1954-07-01 | 1958-10-14 | 0 | Details |
| US2820194A | Apparatus for measuring electrical characteristics | Expired / Lapsed | 1953-11-18 | 1958-01-14 | 0 | Details |
| US2721970A | Method and means for identifying substances | Expired / Lapsed | 1952-01-30 | 1955-10-25 | 0 | Details |
| US2677781A | Electron tube | Expired / Lapsed | 1952-07-05 | 1954-05-04 | 0 | Details |
| US2647218A | Ceramic electron tube | Expired / Lapsed | 1950-12-26 | 1953-07-28 | 0 | Details |
| US2625666A | Filament for electron tubes | Expired / Lapsed | 1950-02-27 | 1953-01-13 | 2 | Details |
| US2561490A | Method and means for correlating nuclear properties of atom… | Expired / Lapsed | 1948-10-21 | 1951-07-24 | 0 | Details |
| US2539096A | Electron tube and grid for the same | Expired / Lapsed | 1949-09-19 | 1951-01-23 | 1 | Details |
| US2525565A | Filamentary cathode for electron tubes | Expired / Lapsed | 1948-07-12 | 1950-10-10 | 2 | Details |
| US2497090A | Electrode and method of making the same | Expired / Lapsed | 1947-12-13 | 1950-02-14 | 1 | Details |
| US2497109A | Electrode for electron tubes | Expired / Lapsed | 1946-02-04 | 1950-02-14 | 0 | Details |
| US2450130A | Electrical device having glass-to-metal seal | Expired / Lapsed | 1945-09-24 | 1948-09-28 | 0 | Details |
| US2447973A | Coated anode for electron discharge devices | Expired / Lapsed | 1947-04-21 | 1948-08-24 | 0 | Details |
| US2446277A | Glass to metal seal in electrical devices | Expired / Lapsed | 1945-09-24 | 1948-08-03 | 0 | Details |
| US2430218A | Electron tube with secondary emissive grid | Expired / Lapsed | 1944-03-21 | 1947-11-04 | 0 | Details |
| US2424683A | Electron tube | Expired / Lapsed | 1946-02-04 | 1947-07-29 | 0 | Details |
| US2417459A | Electron tube and electrode for the same | Expired / Lapsed | 1945-05-21 | 1947-03-18 | 0 | Details |
| US2403745A | Apparatus and method for making tubes | Expired / Lapsed | 1943-12-21 | 1946-07-09 | 0 | Details |
| US2401040A | Method of making electronic tubes | Expired / Lapsed | 1942-10-05 | 1946-05-28 | 0 | Details |
| US2399757A | Tube | Expired / Lapsed | 1944-01-11 | 1946-05-07 | 0 | Details |
| US2395313A | Electron tube and electrode for the same | Expired / Lapsed | 1943-08-09 | 1946-02-19 | 0 | Details |
| US2391690A | Electron tube | Expired / Lapsed | 1945-07-27 | 1945-12-25 | 0 | Details |