United States Steel Corp
United StaActive Patents
0
Total Holdings
105
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4126036A | Surface roughness analyzer | Expired / Lapsed | 1977-07-27 | 1978-11-21 | 20 | Details |
| US4125924A | Method of producing composite metal pipe | Expired / Lapsed | 1977-04-04 | 1978-11-21 | 13 | Details |
| US4082358A | In situ solution mining technique | Expired / Lapsed | 1976-02-02 | 1978-04-04 | 12 | Details |
| US4039166A | Stamped metal fence post cap | Expired / Lapsed | 1975-11-26 | 1977-08-02 | 9 | Details |
| US3956010A | Dry pickling method | Expired / Lapsed | 1974-10-01 | 1976-05-11 | 8 | Details |
| US3939015A | In-line heat treatment of hot-rolled rod | Expired / Lapsed | 1974-12-18 | 1976-02-17 | 26 | Details |
| US3933562A | Method of laminating a plastic sheet onto a surface of a ho… | Expired / Lapsed | 1973-03-01 | 1976-01-20 | 38 | Details |
| US3899831A | Plate length measuring gage | Expired / Lapsed | 1973-09-12 | 1975-08-19 | 3 | Details |
| US3763923A | Extractor for withdrawing or inserting roll-clusters | Expired / Lapsed | 1972-03-22 | 1973-10-09 | 13 | Details |
| US3736174A | Varying angle of gas impingement in gas knife process for r… | Expired / Lapsed | 1971-12-16 | 1973-05-29 | 0 | Details |
| US3707400A | Method of gas wiping wire emerging from a hot-dip coating b… | Expired / Lapsed | 1970-12-28 | 1972-12-26 | 0 | Details |
| US3691440A | Overspeed detector | Expired / Lapsed | 1971-04-16 | 1972-09-12 | 5 | Details |
| US3613326A | Preformed simulated brick panel having stepped edges | Expired / Lapsed | 1969-10-03 | 1971-10-19 | 0 | Details |
| US3594909A | Apparatus for measuring a dimension of a member | Expired / Lapsed | 1969-02-26 | 1971-07-27 | 26 | Details |
| US3545270A | Method and apparatus for measuring effluent gas flow rate | Expired / Lapsed | 1968-12-19 | 1970-12-08 | 0 | Details |
| US3452271A | Apparatus for testing relays for operability,continuity and… | Expired / Lapsed | 1967-01-17 | 1969-06-24 | 0 | Details |
| US3448771A | Drain valve for tank bottom | Expired / Lapsed | 1966-10-27 | 1969-06-10 | 0 | Details |
| US3448278A | Photoelectric diameter measurer wherein pulse width is a me… | Expired / Lapsed | 1966-08-30 | 1969-06-03 | 0 | Details |
| US3446361A | Rack and method of making the same | Expired / Lapsed | 1966-12-23 | 1969-05-27 | 0 | Details |
| US3423252A | Thermomechanical treatment of steel | Expired / Lapsed | 1965-04-01 | 1969-01-21 | 0 | Details |
| US3389930A | Rail corner mounting | Expired / Lapsed | 1966-07-29 | 1968-06-25 | 0 | Details |
| US3354700A | Apparatus for measuring thickness of materials by sound-wav… | Expired / Lapsed | 1964-07-02 | 1967-11-28 | 2 | Details |
| US3335346A | Carrier control system | Expired / Lapsed | 1964-01-10 | 1967-08-08 | 1 | Details |
| US3326039A | Apparatus for indicating shear-blade wear | Expired / Lapsed | 1964-10-14 | 1967-06-20 | 2 | Details |
| US3301443A | Feeding mechanism and valve used therein | Expired / Lapsed | 1965-02-01 | 1967-01-31 | 2 | Details |
| US3299288A | Circuits for delaying electric signals with controlled clam… | Expired / Lapsed | 1964-01-06 | 1967-01-17 | 0 | Details |
| US3282001A | Base construction for supporting a column | Expired / Lapsed | 1963-05-06 | 1966-11-01 | 2 | Details |
| US3240069A | Blast furnace probe | Expired / Lapsed | 1963-09-04 | 1966-03-15 | 2 | Details |
| US3240570A | Stranded wire structures and method of making the same | Expired / Lapsed | 1963-07-18 | 1966-03-15 | 1 | Details |
| US3241057A | Apparatus for determining grain orientation in a ferromagne… | Expired / Lapsed | 1962-06-07 | 1966-03-15 | 2 | Details |
| US3236630A | Oxygen steelmaking | Expired / Lapsed | 1961-10-23 | 1966-02-22 | 2 | Details |
| US3235292A | Pipe coupling | Expired / Lapsed | 1963-06-03 | 1966-02-15 | 0 | Details |
| US3230056A | Casting steel ingots | Expired / Lapsed | 1959-03-24 | 1966-01-18 | 2 | Details |
| US3195034A | Apparatus for monitoring vibrations of a fan | Expired / Lapsed | 1962-04-20 | 1965-07-13 | 2 | Details |
| US3187185A | Apparatus for determining surface contour | Expired / Lapsed | 1960-12-22 | 1965-06-01 | 2 | Details |
| US3160741A | Apparatus for evaluating strip material | Expired / Lapsed | 1960-09-19 | 1964-12-08 | 2 | Details |
| US3143960A | Apparatus for stenciling moving plate | Expired / Lapsed | 1962-10-30 | 1964-08-11 | 2 | Details |
| US3136651A | Method of coating metal with vinyl resin | Expired / Lapsed | 1961-11-22 | 1964-06-09 | 2 | Details |
| US3120700A | Tube puller | Expired / Lapsed | 1961-01-24 | 1964-02-11 | 2 | Details |
| US3111555A | Apparatus for visually inspecting strip travelling at high … | Expired / Lapsed | 1960-05-16 | 1963-11-19 | 2 | Details |
| US3103817A | Apparatus for measuring kiln temperatures | Expired / Lapsed | 1960-08-12 | 1963-09-17 | 1 | Details |
| US3049004A | Mill-roll chock with load-responsive element | Expired / Lapsed | 1958-10-16 | 1962-08-14 | 0 | Details |
| US3043677A | Sintering method and apparatus | Expired / Lapsed | 1960-09-28 | 1962-07-10 | 2 | Details |
| US3037620A | Package of slender articles and method of making it | Expired / Lapsed | 1960-02-03 | 1962-06-05 | 0 | Details |
| US3029022A | Apparatus for determining the ratio between two d. c. power… | Expired / Lapsed | 1959-03-03 | 1962-04-10 | 0 | Details |
| US3021941A | Method of drawing wire and a lubricant therefor | Expired / Lapsed | 1957-11-08 | 1962-02-20 | 1 | Details |
| US2996630A | Timing device | Expired / Lapsed | 1959-01-22 | 1961-08-15 | 0 | Details |
| US2989966A | Shaft seal | Expired / Lapsed | 1957-02-21 | 1961-06-27 | 0 | Details |
| US2985043A | System for controlling the screw settings of a reversing mi… | Expired / Lapsed | 1959-04-24 | 1961-05-23 | 0 | Details |
| US2969227A | Apparatus for making pellets | Expired / Lapsed | 1958-12-29 | 1961-01-24 | 0 | Details |
| US2965265A | Mechanism and method for regulating feed of material | Expired / Lapsed | 1958-07-02 | 1960-12-20 | 0 | Details |
| US2958785A | Pinhole detector | Expired / Lapsed | 1958-05-20 | 1960-11-01 | 0 | Details |
| US2950640A | Mechanism and method for classifying and assorting metal sh… | Expired / Lapsed | 1951-11-28 | 1960-08-30 | 0 | Details |
| US2941086A | Linear measuring device | Expired / Lapsed | 1957-06-11 | 1960-06-14 | 0 | Details |
| US2933185A | Method and apparatus for classifying sheets according to le… | Expired / Lapsed | 1955-05-11 | 1960-04-19 | 0 | Details |
| US2930228A | Apparatus for detecting and recording defects in a strip | Expired / Lapsed | 1956-11-30 | 1960-03-29 | 0 | Details |
| US2908215A | Guide track and compressor for automatic wire-tying machine | Expired / Lapsed | 1957-05-01 | 1959-10-13 | 0 | Details |
| US2900785A | Six-wire strand | Expired / Lapsed | 1956-05-18 | 1959-08-25 | 0 | Details |
| US2886716A | Light carriage and strip guide mechanism for pin hole detec… | Expired / Lapsed | 1957-07-23 | 1959-05-12 | 0 | Details |
| US2880109A | Method of coating the interior of cylinders | Expired / Lapsed | 1955-09-22 | 1959-03-31 | 2 | Details |
| US2871006A | Apparatus for determining the net weight of material in a c… | Expired / Lapsed | 1952-12-03 | 1959-01-27 | 0 | Details |
| US2865397A | Hydraulic governor | Expired / Lapsed | 1954-10-06 | 1958-12-23 | 0 | Details |
| US2853768A | Overhead conductor | Expired / Lapsed | 1956-02-28 | 1958-09-30 | 2 | Details |
| US2846589A | Apparatus for determining the thickness of zinc coating on … | Expired / Lapsed | 1954-04-01 | 1958-08-05 | 1 | Details |
| US2836397A | Chain link fencing | Expired / Lapsed | 1954-03-11 | 1958-05-27 | 0 | Details |
| US2820004A | Current density indicator and control | Expired / Lapsed | 1955-08-19 | 1958-01-14 | 2 | Details |
| US2819901A | Knockdown backstop | Expired / Lapsed | 1955-02-23 | 1958-01-14 | 0 | Details |
| US2773024A | Method for electrolytically pointing wire | Expired / Lapsed | 1954-04-08 | 1956-12-04 | 1 | Details |
| US2764436A | Rail bond | Expired / Lapsed | 1953-11-20 | 1956-09-25 | 0 | Details |
| US2762721A | Method of preserving wood and resultant product | Expired / Lapsed | 1955-02-23 | 1956-09-11 | 2 | Details |
| US2746135A | Wire-reinforced rubber article and method of making the same | Expired / Lapsed | 1947-09-30 | 1956-05-22 | 4 | Details |
| US2742150A | Apparatus for gaging and classifying sheets or the like | Expired / Lapsed | 1954-01-26 | 1956-04-17 | 2 | Details |
| US2731145A | Method of hot-working steel billets by forging or extrusion | Expired / Lapsed | 1953-05-20 | 1956-01-17 | 0 | Details |
| US2730006A | Strip width gage | Expired / Lapsed | 1952-03-19 | 1956-01-10 | 0 | Details |
| US2730233A | Apparatus for inspecting and classifying flat steel products | Expired / Lapsed | 1952-03-18 | 1956-01-10 | 2 | Details |
| US2706625A | Apparatus for continuously centering a moving strip | Expired / Lapsed | 1952-04-25 | 1955-04-19 | 0 | Details |
| US2701356A | Apparatus for identifying opposite sides of a moving strip | Expired / Lapsed | 1953-10-22 | 1955-02-01 | 0 | Details |
| US2695269A | Apparatus for electroplating wire | Expired / Lapsed | 1951-03-02 | 1954-11-23 | 2 | Details |
| US2691900A | Flexible conduit | Expired / Lapsed | 1950-05-23 | 1954-10-19 | 0 | Details |
| US2669593A | Aspirator thermocouple mounting for measuring the temperatu… | Expired / Lapsed | 1951-11-28 | 1954-02-16 | 0 | Details |
| US2665709A | Valve operating mechanism | Expired / Lapsed | 1951-11-28 | 1954-01-12 | 0 | Details |
| US2659932A | Extruding apparatus | Expired / Lapsed | 1951-04-24 | 1953-11-24 | 0 | Details |
| US2654139A | Continuous strand helical conveying apparatus | Expired / Lapsed | 1949-03-10 | 1953-10-06 | 0 | Details |
| US2645899A | Hydropneumatic pumping unit | Expired / Lapsed | 1950-12-06 | 1953-07-21 | 0 | Details |
| US2642468A | Thermocouple mounting for use in molten steel | Expired / Lapsed | 1950-09-15 | 1953-06-16 | 0 | Details |
| US2642537A | Apparatus for determining coating thickness | Expired / Lapsed | 1949-12-22 | 1953-06-16 | 2 | Details |
| US2641488A | Method and means for increasing bending fatigue strength of… | Expired / Lapsed | 1947-11-12 | 1953-06-09 | 0 | Details |
| US2635786A | Stackable storage container | Expired / Lapsed | 1950-06-14 | 1953-04-21 | 0 | Details |
| US2622448A | Apparatus for automatically centering and aligning moving o… | Expired / Lapsed | 1951-06-04 | 1952-12-23 | 0 | Details |
| US2621779A | Flat wire conveyer belt and cover plate therefor | Expired / Lapsed | 1949-11-23 | 1952-12-16 | 0 | Details |
| US2615413A | Internal pipe aligning clamp | Expired / Lapsed | 1949-01-28 | 1952-10-28 | 0 | Details |
| US2603595A | Plating thickness meter | Expired / Lapsed | 1948-06-08 | 1952-07-15 | 2 | Details |
| US2596703A | Slush pump piston | Expired / Lapsed | 1948-07-27 | 1952-05-13 | 0 | Details |
| US2593157A | Apparatus for positioning strip | Expired / Lapsed | 1949-06-04 | 1952-04-15 | 0 | Details |
| US2591216A | Valve operating mechanism | Expired / Lapsed | 1944-11-28 | 1952-04-01 | 0 | Details |
| US2578722A | Apparatus for determining coating thickness | Expired / Lapsed | 1950-05-18 | 1951-12-18 | 0 | Details |
| US2565768A | Aluminum coating of ferrous metal and resulting product | Expired / Lapsed | 1948-04-02 | 1951-08-28 | 2 | Details |
| US2563274A | Method and apparatus for testing pinhole detectors | Expired / Lapsed | 1950-03-02 | 1951-08-07 | 0 | Details |
| US2563213A | Control unit for pinhole detectors | Expired / Lapsed | 1949-06-01 | 1951-08-07 | 0 | Details |
| US2557450A | Linear measuring device | Expired / Lapsed | 1947-07-15 | 1951-06-19 | 0 | Details |
| US2525182A | Extensometer | Expired / Lapsed | 1946-06-28 | 1950-10-10 | 0 | Details |
| US2366285A | Surface temperature pyrometer | Expired / Lapsed | 1943-08-14 | 1945-01-02 | 0 | Details |
| US2184169A | Radiation pyrometer device | Expired / Lapsed | 1938-12-29 | 1939-12-19 | 0 | Details |
| US2173446A | Welding electrode spacing means | Expired / Lapsed | 1937-12-30 | 1939-09-19 | 0 | Details |
| US1924099A | Thermally hardening steel | Expired / Lapsed | 1931-11-20 | 1933-08-29 | 0 | Details |