RTX Corp
RTX CorpActive Patents
0
Total Holdings
149
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB2010920A | High temperature aluminum bearing alloy coatings | Expired / Lapsed | 1978-12-01 | — | 0 | Details |
| US4850734A | Coupling device for a machine tool | Expired / Lapsed | 1988-12-23 | 1989-07-25 | 6 | Details |
| US4820097A | Fastener with airflow opening | Expired / Lapsed | 1988-03-18 | 1989-04-11 | 5 | Details |
| US4722261A | Extendable ram cannon | Expired / Lapsed | 1986-09-22 | 1988-02-02 | 2 | Details |
| US4669058A | Integral control of a dependent variable in a system having… | Expired / Lapsed | 1985-09-30 | 1987-05-26 | 6 | Details |
| US4575802A | Robot/workpiece orientation | Expired / Lapsed | 1983-07-11 | 1986-03-11 | 2 | Details |
| US4535606A | High efficiency air cycle air conditioning system | Expired / Lapsed | 1983-12-09 | 1985-08-20 | 24 | Details |
| US4472476A | Composite silicon carbide/silicon nitride coatings for carb… | Expired / Lapsed | 1982-06-24 | 1984-09-18 | 12 | Details |
| US4424004A | End cap for a rotor shaft of a rotary machine | Expired / Lapsed | 1981-11-09 | 1984-01-03 | 16 | Details |
| US4321831A | Digitally compatible optical pressure measurement | Expired / Lapsed | 1980-09-26 | 1982-03-30 | 6 | Details |
| US4270168A | Selective disablement in fail-operational, fail-safe multi-… | Expired / Lapsed | 1978-08-31 | 1981-05-26 | 8 | Details |
| US4253153A | Energy conservative control of terminal reheat heating, ven… | Expired / Lapsed | 1979-06-28 | 1981-02-24 | 4 | Details |
| US4215408A | Temperature control of unoccupied living spaces | Expired / Lapsed | 1977-12-12 | 1980-07-29 | 18 | Details |
| US4214037A | Silicon nitride coated carbon fibers and composites | Expired / Lapsed | 1979-03-30 | 1980-07-22 | 6 | Details |
| US4205381A | Energy conservative control of heating, ventilating, and ai… | Expired / Lapsed | 1977-08-31 | 1980-05-27 | 8 | Details |
| US4187455A | Stepper motor feedback in position servo loop | Expired / Lapsed | 1975-08-04 | 1980-02-05 | 3 | Details |
| US4167388A | Apparatus for forming hollow members | Expired / Lapsed | 1978-05-01 | 1979-09-11 | 10 | Details |
| US4147433A | Contour inspection | Expired / Lapsed | 1977-12-12 | 1979-04-03 | 12 | Details |
| US4122240A | Skin melting | Expired / Lapsed | 1977-03-02 | 1978-10-24 | 26 | Details |
| US4020700A | Unitary fluidic angular rate sensor | Expired / Lapsed | 1976-02-25 | 1977-05-03 | 14 | Details |
| US3916412A | Frequency stabilized single oscillator transceivers | Expired / Lapsed | 1974-08-29 | 1975-10-28 | 17 | Details |
| US3898388A | Phase inversion synchronization | Expired / Lapsed | 1974-06-21 | 1975-08-05 | 8 | Details |
| US3863158A | Synthetic phasor generator | Expired / Lapsed | 1973-06-04 | 1975-01-28 | 5 | Details |
| US3851159A | Electronic waypoint bearing converter | Expired / Lapsed | 1973-08-02 | 1974-11-26 | 7 | Details |
| US3776637A | Circular involute reflector for providing a variable pathle… | Expired / Lapsed | 1972-12-14 | 1973-12-04 | 8 | Details |
| US3758758A | Weighting rotational statistical vibration analysis employi… | Expired / Lapsed | 1972-03-10 | 1973-09-11 | 6 | Details |
| US3748194A | Processing for the high strength alpha beta titanium alloys | Expired / Lapsed | 1971-10-06 | 1973-07-24 | 0 | Details |
| US3745577A | Variable squint and beamwidth amplitude monopulse radar | Expired / Lapsed | 1972-03-29 | 1973-07-10 | 7 | Details |
| US3731991A | Reflecting means for beam control utilizing movable members… | Expired / Lapsed | 1969-03-03 | 1973-05-08 | 5 | Details |
| US3702989A | Selective data handling apparatus | Expired / Lapsed | 1971-03-12 | 1972-11-14 | 21 | Details |
| US3611181A | Laser diffraction grating coupling mirror | Expired / Lapsed | 1968-10-10 | 1971-10-05 | 1 | Details |
| US3575054A | Pressure sensing device | Expired / Lapsed | 1969-03-12 | 1971-04-13 | 10 | Details |
| US3571705A | Analog signal amplitude distribution measuring apparatus | Expired / Lapsed | 1968-12-09 | 1971-03-23 | 3 | Details |
| US3566860A | Carbon-impregnated body electrode | Expired / Lapsed | 1968-12-20 | 1971-03-02 | 0 | Details |
| US3566303A | Ultrasonic control system for lasers | Expired / Lapsed | 1967-06-15 | 1971-02-23 | 0 | Details |
| US3556744A | Composite metal article having nickel alloy having coats co… | Expired / Lapsed | 1965-08-16 | 1971-01-19 | 0 | Details |
| US3547522A | On-axis collimated viewing system | Expired / Lapsed | 1968-09-04 | 1970-12-15 | 0 | Details |
| US3544916A | Multiple frequency ultrasonic control for lasers | Expired / Lapsed | 1968-04-16 | 1970-12-01 | 0 | Details |
| US3517332A | Frequency modulation for lasers | Expired / Lapsed | 1966-11-16 | 1970-06-23 | 0 | Details |
| US3513845A | Bypass heart pump and oxygenator system | Expired / Lapsed | 1966-09-15 | 1970-05-26 | 0 | Details |
| US3511161A | Selecting the air source for an aircraft supercharger | Expired / Lapsed | 1968-11-15 | 1970-05-12 | 0 | Details |
| US3451473A | Heat exchanger construction | Expired / Lapsed | 1967-04-11 | 1969-06-24 | 0 | Details |
| US3446916A | Collimated viewing system | Expired / Lapsed | 1964-07-29 | 1969-05-27 | 0 | Details |
| US3435372A | Ultrasonic modulator having a cylindrical transducer | Expired / Lapsed | 1966-01-19 | 1969-03-25 | 2 | Details |
| US3432587A | Process for preparing polytetrafluoroethylene gaskets | Expired / Lapsed | 1966-05-06 | 1969-03-11 | 0 | Details |
| US3428042A | Heart pump actuator | Expired / Lapsed | 1964-08-10 | 1969-02-18 | 0 | Details |
| US3426743A | Heart pump augmentation system | Expired / Lapsed | 1964-10-27 | 1969-02-11 | 0 | Details |
| US3426744A | Heart pump cannula | Expired / Lapsed | 1964-02-27 | 1969-02-11 | 0 | Details |
| US3426174A | Electron reflection seam tracker | Expired / Lapsed | 1965-12-09 | 1969-02-04 | 0 | Details |
| US3420170A | Single impression multicolor printing | Expired / Lapsed | 1966-10-11 | 1969-01-07 | 2 | Details |
| US3411495A | Bio-electrical sensor | Expired / Lapsed | 1965-12-14 | 1968-11-19 | 0 | Details |
| US3409469A | Vapor coating conductive filaments utilizing uniform temper… | Expired / Lapsed | 1964-03-05 | 1968-11-05 | 0 | Details |
| US3399013A | Ultrasonic scanning cell | Expired / Lapsed | 1964-10-28 | 1968-08-27 | 0 | Details |
| US3381157A | Annular hollow cathode discharge apparatus | Expired / Lapsed | 1964-12-10 | 1968-04-30 | 2 | Details |
| US3376802A | Tracking loop for aircraft cabin pressure regulating system | Expired / Lapsed | 1966-07-08 | 1968-04-09 | 2 | Details |
| US3372973A | Two-dimensional beam scanning device | Expired / Lapsed | 1965-02-08 | 1968-03-12 | 0 | Details |
| US3369101A | Laser micro-processer | Expired / Lapsed | 1964-04-30 | 1968-02-13 | 0 | Details |
| US3353539A | Electrical power generator employing a body fluid as electr… | Expired / Lapsed | 1963-10-31 | 1967-11-21 | 1 | Details |
| US3323017A | Overload protector for a source of electrical energy | Expired / Lapsed | 1964-01-28 | 1967-05-30 | 2 | Details |
| US3311844A | High repetition rate laser system | Expired / Lapsed | 1963-05-31 | 1967-03-28 | 2 | Details |
| US3272972A | Random orientation inertial system | Expired / Lapsed | 1962-01-15 | 1966-09-13 | 2 | Details |
| US3263323A | Fabrication of a continuous peripheral joint | Expired / Lapsed | 1965-10-21 | 1966-08-02 | 2 | Details |
| US3244889A | Photosensitive tracker with special x and y axis photocells… | Expired / Lapsed | 1961-07-06 | 1966-04-05 | 0 | Details |
| US3212496A | Molecular physiological monitoring system | Expired / Lapsed | 1962-08-21 | 1965-10-19 | 2 | Details |
| US3206336A | Method of transforming n-type semiconductor material into p… | Expired / Lapsed | 1962-03-27 | 1965-09-14 | 2 | Details |
| US3199013A | Rate responsive compensation change circuit | Expired / Lapsed | 1963-05-31 | 1965-08-03 | 2 | Details |
| US3197856A | Explosively joining metals to form a continuous sheet | Expired / Lapsed | 1963-01-02 | 1965-08-03 | 2 | Details |
| US3197855A | Method of explosively forming a scarf type joint | Expired / Lapsed | 1962-12-28 | 1965-08-03 | 2 | Details |
| US3192371A | Feedback integrating system | Expired / Lapsed | 1961-09-14 | 1965-06-29 | 1 | Details |
| US3172989A | Electron beam cutting control | Expired / Lapsed | 1962-07-27 | 1965-03-09 | 2 | Details |
| US3167757A | Converter | Expired / Lapsed | 1960-10-24 | 1965-01-26 | 2 | Details |
| US3155838A | Pulse-width modulator | Expired / Lapsed | 1960-05-20 | 1964-11-03 | 2 | Details |
| US3152261A | Variable reluctance hall effect resolver | Expired / Lapsed | 1961-04-12 | 1964-10-06 | 1 | Details |
| US3141729A | Gels and method of making | Expired / Lapsed | 1960-07-11 | 1964-07-21 | 2 | Details |
| US3138800A | Phase detecting system | Expired / Lapsed | 1960-06-10 | 1964-06-23 | 0 | Details |
| US3135055A | Workpiece inspection system | Expired / Lapsed | 1960-10-19 | 1964-06-02 | 1 | Details |
| US3121955A | Ultrasonic distance scaling apparatus | Expired / Lapsed | 1960-07-08 | 1964-02-25 | 1 | Details |
| US3112791A | Air conditioning control | Expired / Lapsed | 1959-04-16 | 1963-12-03 | 2 | Details |
| US3111591A | Transistor step counter | Expired / Lapsed | 1959-10-08 | 1963-11-19 | 0 | Details |
| US3086394A | Take-off monitor | Expired / Lapsed | 1959-01-12 | 1963-04-23 | 1 | Details |
| US3078778A | Flow control system for pressurized aircraft compartment | Expired / Lapsed | 1959-05-29 | 1963-02-26 | 1 | Details |
| US3070787A | Aligned brush analogue-to-digital converter | Expired / Lapsed | 1958-09-26 | 1962-12-25 | 0 | Details |
| US3056881A | Method of making electrical conductor device | Expired / Lapsed | 1961-06-07 | 1962-10-02 | 1 | Details |
| US3045983A | Ram air control for aircraft air conditioning system | Expired / Lapsed | 1958-05-15 | 1962-07-24 | 0 | Details |
| US3036225A | Shiftable range mark generator for radarscope | Expired / Lapsed | 1958-12-23 | 1962-05-22 | 0 | Details |
| US3035477A | Apparatus for stabilizing optical sighting systems | Expired / Lapsed | 1950-02-01 | 1962-05-22 | 0 | Details |
| US3033459A | Decimal subtractor | Expired / Lapsed | 1960-10-18 | 1962-05-08 | 0 | Details |
| US3030770A | Variable supersonic inlet | Expired / Lapsed | 1957-07-30 | 1962-04-24 | 0 | Details |
| US3016063A | Fluid valve | Expired / Lapsed | 1960-07-05 | 1962-01-09 | 0 | Details |
| US3014133A | Star tracker | Expired / Lapsed | 1958-06-23 | 1961-12-19 | 0 | Details |
| US2959002A | Turbine engine fuel control | Expired / Lapsed | 1957-10-23 | 1960-11-08 | 0 | Details |
| US2942119A | Photoelectric drift angle and ground speed meter | Expired / Lapsed | 1953-03-12 | 1960-06-21 | 0 | Details |
| US2939280A | Hydro-pneumatic fuel control for turbine power plants | Expired / Lapsed | 1955-02-24 | 1960-06-07 | 0 | Details |
| US2938199A | Sequential pulse analogue to digital converter | Expired / Lapsed | 1957-07-24 | 1960-05-24 | 0 | Details |
| US2912010A | Frictionlessly mounted fluid poppet valve with balanced dyn… | Expired / Lapsed | 1957-06-04 | 1959-11-10 | 0 | Details |
| US2911606A | Pressure transducer | Expired / Lapsed | 1957-07-05 | 1959-11-03 | 0 | Details |
| US2885614A | Servosystem angular motion transmitting apparatus | Expired / Lapsed | 1955-01-06 | 1959-05-05 | 0 | Details |
| US2873440A | Analogue-to-digital converter | Expired / Lapsed | 1954-10-26 | 1959-02-10 | 0 | Details |
| US2848626A | Infrared radiation detection system | Expired / Lapsed | 1955-09-02 | 1958-08-19 | 0 | Details |
| US2807138A | Fuel control for a split-turbine type of power plant | Expired / Lapsed | 1952-07-05 | 1957-09-24 | 0 | Details |
| US2782769A | Hydraulic servo system for fuel control | Expired / Lapsed | 1954-04-01 | 1957-02-26 | 0 | Details |
| US2772378A | Speed control circuits | Expired / Lapsed | 1951-12-11 | 1956-11-27 | 0 | Details |
| US2764867A | Safety circuit for thermocouple unit of the jet fuel control | Expired / Lapsed | 1952-12-06 | 1956-10-02 | 0 | Details |
| US2680001A | Arrangement for cooling turbine bearings | Expired / Lapsed | 1950-11-13 | 1954-06-01 | 0 | Details |
| US2677233A | Exhaust nozzle switch responsive to afterburner pressure ra… | Expired / Lapsed | 1949-06-30 | 1954-05-04 | 0 | Details |
| US2660859A | Combined flameholder and turning vane | Expired / Lapsed | 1952-06-18 | 1953-12-01 | 0 | Details |
| US2653983A | Thermocouple unit | Expired / Lapsed | 1951-11-28 | 1953-09-29 | 0 | Details |
| US2638293A | Restraining and releasing device for pilots | Expired / Lapsed | 1951-02-10 | 1953-05-12 | 0 | Details |
| US2632327A | Mass flow measuring device | Expired / Lapsed | 1950-08-17 | 1953-03-24 | 0 | Details |
| US2629936A | Method and apparatus to establish locating points on workpi… | Expired / Lapsed | 1947-09-19 | 1953-03-03 | 0 | Details |
| US2626968A | Expanded plastics | Expired / Lapsed | 1950-05-05 | 1953-01-27 | 2 | Details |
| US2625035A | Supersonic inspection device | Expired / Lapsed | 1945-12-22 | 1953-01-13 | 0 | Details |
| US2619157A | Antibuffet seat | Expired / Lapsed | 1948-01-30 | 1952-11-25 | 0 | Details |
| US2560813A | Pressure fluid servomotor | Expired / Lapsed | 1948-06-17 | 1951-07-17 | 0 | Details |
| US2511858A | Method of making propeller blades | Expired / Lapsed | 1943-04-23 | 1950-06-20 | 0 | Details |
| US2509421A | Pressure measuring device | Expired / Lapsed | 1946-05-15 | 1950-05-30 | 0 | Details |
| US2505652A | Tail wheel actuated arresting hook | Expired / Lapsed | 1946-02-08 | 1950-04-25 | 0 | Details |
| US2496835A | Gas temperature probe of the thermocouple type | Expired / Lapsed | 1946-12-18 | 1950-02-07 | 0 | Details |
| US2494625A | Airfoil heating means | Expired / Lapsed | 1945-11-03 | 1950-01-17 | 0 | Details |
| US2489984A | Explosive-release mechanism | Expired / Lapsed | 1945-02-20 | 1949-11-29 | 0 | Details |
| US2484141A | Skin stressed laminated fiberglas rotor blade | Expired / Lapsed | 1947-01-09 | 1949-10-11 | 0 | Details |
| US2444227A | Propeller drive | Expired / Lapsed | 1944-12-14 | 1948-06-29 | 0 | Details |
| US2443969A | Vibration pickup | Expired / Lapsed | 1946-03-12 | 1948-06-22 | 0 | Details |
| US2443192A | Automatic pilot for rotary wing aircraft | Expired / Lapsed | 1945-06-12 | 1948-06-15 | 0 | Details |
| US2439130A | Surface and shear wave method and apparatus | Expired / Lapsed | 1943-11-20 | 1948-04-06 | 0 | Details |
| US2439131A | Resonance inspection method | Expired / Lapsed | 1943-11-20 | 1948-04-06 | 0 | Details |
| US2426764A | Machine for finishing irregularly shaped articles | Expired / Lapsed | 1943-10-26 | 1947-09-02 | 0 | Details |
| US2425177A | Turbine construction | Expired / Lapsed | 1943-05-11 | 1947-08-05 | 0 | Details |
| US2421807A | Explosive-release mechanism | Expired / Lapsed | 1945-04-26 | 1947-06-10 | 0 | Details |
| US2411895A | Nozzle control | Expired / Lapsed | 1944-04-15 | 1946-12-03 | 0 | Details |
| US2402065A | Propeller control | Expired / Lapsed | 1942-11-05 | 1946-06-11 | 0 | Details |
| US2400415A | Automatic fuel control | Expired / Lapsed | 1941-10-22 | 1946-05-14 | 0 | Details |
| US2398701A | Supersonic inspection device | Expired / Lapsed | 1942-06-29 | 1946-04-16 | 0 | Details |
| US2372766A | Fuel proportioning device | Expired / Lapsed | 1942-04-21 | 1945-04-03 | 0 | Details |
| US2371872A | Aircraft power plant | Expired / Lapsed | 1939-08-19 | 1945-03-20 | 0 | Details |
| US2343382A | Propeller governor | Expired / Lapsed | 1939-08-02 | 1944-03-07 | 0 | Details |
| US2340133A | Propeller blade | Expired / Lapsed | 1940-12-14 | 1944-01-25 | 0 | Details |
| US2338293A | Method and apparatus for balancing propellers | Expired / Lapsed | 1941-09-27 | 1944-01-04 | 0 | Details |
| US2338483A | Propeller control | Expired / Lapsed | 1940-06-29 | 1944-01-04 | 0 | Details |
| US2336844A | Coordinate control | Expired / Lapsed | 1939-12-29 | 1943-12-14 | 0 | Details |
| US2333973A | Electric feathering control | Expired / Lapsed | 1939-11-16 | 1943-11-09 | 0 | Details |
| US2332452A | Propeller pitch changing mechanism | Expired / Lapsed | 1940-12-19 | 1943-10-19 | 0 | Details |
| US2322303A | Engine control means | Expired / Lapsed | 1938-03-01 | 1943-06-22 | 0 | Details |
| US2280714A | Feathering propeller control | Expired / Lapsed | 1938-01-13 | 1942-04-21 | 0 | Details |
| US2269635A | Deicer fluid distributor | Expired / Lapsed | 1940-12-27 | 1942-01-13 | 0 | Details |
| US2252464A | Stress measuring means | Expired / Lapsed | 1937-12-06 | 1941-08-12 | 0 | Details |
| US2248245A | Engine torque regulating device | Expired / Lapsed | 1939-11-16 | 1941-07-08 | 0 | Details |
| US2133656A | One-way drive for propellers | Expired / Lapsed | 1936-04-23 | 1938-10-18 | 0 | Details |
| US2132481A | Propeller drive for coaxial oppositely rotating propellers | Expired / Lapsed | 1936-04-25 | 1938-10-11 | 0 | Details |