Schneider Electric Systems USA Inc
SchneiderActive Patents
0
Total Holdings
91
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4527271A | Process control system with improved fault isolation | Expired / Lapsed | 1982-08-17 | 1985-07-02 | 28 | Details |
| US4351023A | Process control system with improved system security featur… | Expired / Lapsed | 1980-04-11 | 1982-09-21 | 13 | Details |
| US4303973A | Industrial process control system | Expired / Lapsed | 1979-06-22 | 1981-12-01 | 66 | Details |
| US4180860A | Display station having universal module for interface with … | Expired / Lapsed | 1977-06-21 | 1979-12-25 | 17 | Details |
| US4175864A | Astigmatic illuminating system in an internal reflection sp… | Expired / Lapsed | 1978-02-21 | 1979-11-27 | 24 | Details |
| US3971000A | Computer-directed process control system with interactive d… | Expired / Lapsed | 1975-08-13 | 1976-07-20 | 17 | Details |
| US3940935A | Positioning device using negative spring-rate tensioning me… | Expired / Lapsed | 1974-02-22 | 1976-03-02 | 19 | Details |
| US3877812A | Multiple wavelength spectrometer | Expired / Lapsed | 1973-01-31 | 1975-04-15 | 10 | Details |
| US3798424A | Industrial control system utilizing high speed digital comp… | Expired / Lapsed | 1971-08-20 | 1974-03-19 | 31 | Details |
| US3783692A | Resistance bulb compensation circuits | Expired / Lapsed | 1972-04-06 | 1974-01-08 | 11 | Details |
| US3582621A | Industrial process control apparatus | Expired / Lapsed | 1968-05-20 | 1971-06-01 | 39 | Details |
| US3531990A | Wheatstone bridge for making precise temperature measuremen… | Expired / Lapsed | 1966-11-14 | 1970-10-06 | 0 | Details |
| US3530714A | Target flowmeter | Expired / Lapsed | 1968-02-21 | 1970-09-29 | 0 | Details |
| US3523547A | Fluidics plug-in module device | Expired / Lapsed | 1968-02-27 | 1970-08-11 | 0 | Details |
| US3499464A | Fluid supply manifold system for fluid operated instrumenta… | Expired / Lapsed | 1968-07-15 | 1970-03-10 | 0 | Details |
| US3479865A | Sanitary liquid level measurement device | Expired / Lapsed | 1968-04-05 | 1969-11-25 | 0 | Details |
| US3377623A | Process backup system | Expired / Lapsed | 1965-09-29 | 1968-04-09 | 0 | Details |
| US3342199A | Digital blend system | Expired / Lapsed | 1965-07-07 | 1967-09-19 | 2 | Details |
| CA763082A | Ion-sensitive electrode and method of making and using same | Expired / Lapsed | — | 1967-07-11 | 0 | Details |
| US3219046A | Fluid ratio control | Expired / Lapsed | 1961-03-29 | 1965-11-23 | 4 | Details |
| US3197711A | Means for preventing reset wind-up in electronic control ap… | Expired / Lapsed | 1961-05-18 | 1965-07-27 | 2 | Details |
| US3180974A | High power process control apparatus | Expired / Lapsed | 1962-02-21 | 1965-04-27 | 2 | Details |
| US3131560A | Magnetic flowmeter apparatus | Expired / Lapsed | 1960-12-28 | 1964-05-05 | 2 | Details |
| US3034718A | Computer-controller set point system | Expired / Lapsed | 1960-04-18 | 1962-05-15 | 0 | Details |
| US3016493A | Electric-signal converting apparatus | Expired / Lapsed | 1958-09-11 | 1962-01-09 | 0 | Details |
| US3005885A | Safety switch arrangements | Expired / Lapsed | 1958-09-12 | 1961-10-24 | 0 | Details |
| US2967285A | Electrical pin-board data system | Expired / Lapsed | 1958-05-21 | 1961-01-03 | 0 | Details |
| US2963633A | Positioning motor | Expired / Lapsed | 1958-05-26 | 1960-12-06 | 0 | Details |
| US2956234A | Industrial process control apparatus | Expired / Lapsed | 1958-04-30 | 1960-10-11 | 0 | Details |
| US2951745A | Liquid proportioning pump system | Expired / Lapsed | 1958-03-21 | 1960-09-06 | 0 | Details |
| US2929247A | Method of and apparatus for minimizing spurious signals in … | Expired / Lapsed | 1956-09-06 | 1960-03-22 | 0 | Details |
| US2901739A | Data scanner monitoring alarm system | Expired / Lapsed | 1958-05-21 | 1959-08-25 | 0 | Details |
| US2887878A | Amplifier for an induction flow meter | Expired / Lapsed | 1953-04-27 | 1959-05-26 | 0 | Details |
| US2884538A | Radio-active gaseous gauging source | Expired / Lapsed | 1956-01-26 | 1959-04-28 | 0 | Details |
| US2851655A | Amperometric continuous measurement system | Expired / Lapsed | 1956-09-25 | 1958-09-09 | 0 | Details |
| US2827020A | Hydraulic valve positioning system with valve position feed… | Expired / Lapsed | 1956-10-11 | 1958-03-18 | 0 | Details |
| US2806480A | Differential pressure responsive apparatus | Expired / Lapsed | 1954-09-01 | 1957-09-17 | 0 | Details |
| US2800016A | Magnetic flow measuring apparatus | Expired / Lapsed | 1954-09-14 | 1957-07-23 | 0 | Details |
| US2800136A | Variable ratio apparatus | Expired / Lapsed | 1954-04-16 | 1957-07-23 | 0 | Details |
| US2761471A | Differential pressure responsive diaphragm device | Expired / Lapsed | 1954-09-20 | 1956-09-04 | 0 | Details |
| US2743986A | Industrial multi-record system | Expired / Lapsed | 1954-12-08 | 1956-05-01 | 0 | Details |
| US2731025A | Magnetic drag speed measurement device | Expired / Lapsed | 1954-08-31 | 1956-01-17 | 0 | Details |
| US2717516A | Juice measuring pneumatic control system | Expired / Lapsed | 1951-10-27 | 1955-09-13 | 0 | Details |
| US2706799A | Follow-up type of measuring system with linear motor | Expired / Lapsed | 1952-04-09 | 1955-04-19 | 0 | Details |
| US2695381A | Follow-up type of measuring apparatus | Expired / Lapsed | 1952-07-24 | 1954-11-23 | 0 | Details |
| US2673465A | Tempeature responsive instrument | Expired / Lapsed | 1951-03-24 | 1954-03-30 | 0 | Details |
| US2658392A | Pressure indicating pneumatic transmission system | Expired / Lapsed | 1951-07-20 | 1953-11-10 | 0 | Details |
| US2653282A | Electric motor follow-up system for measuring | Expired / Lapsed | 1952-06-28 | 1953-09-22 | 0 | Details |
| US2653308A | Range shifting instrument | Expired / Lapsed | 1949-10-25 | 1953-09-22 | 0 | Details |
| US2652066A | Pneumatic modulating relay | Expired / Lapsed | 1951-03-14 | 1953-09-15 | 0 | Details |
| US2630008A | Electrical measuring apparatus, including a condition respo… | Expired / Lapsed | 1945-12-28 | 1953-03-03 | 0 | Details |
| US2630007A | Electrical measuring apparatus, including a condition respo… | Expired / Lapsed | 1943-07-28 | 1953-03-03 | 0 | Details |
| US2618288A | Pneumatic instrument | Expired / Lapsed | 1951-03-14 | 1952-11-18 | 0 | Details |
| US2596955A | Apparatus for measuring direct voltages | Expired / Lapsed | 1946-12-06 | 1952-05-13 | 0 | Details |
| US2590946A | Combining measuring circuit | Expired / Lapsed | 1948-06-23 | 1952-04-01 | 0 | Details |
| US2590041A | Resistance thermometer | Expired / Lapsed | 1949-09-09 | 1952-03-18 | 0 | Details |
| US2539892A | Pressure measuring device | Expired / Lapsed | 1947-05-14 | 1951-01-30 | 0 | Details |
| US2536082A | Apparatus for and method of testing pasteurization time | Expired / Lapsed | 1947-09-30 | 1951-01-02 | 0 | Details |
| US2534569A | Recording instrument mechanism | Expired / Lapsed | 1949-10-18 | 1950-12-19 | 0 | Details |
| US2503213A | Process and control analyzer | Expired / Lapsed | 1946-12-21 | 1950-04-04 | 0 | Details |
| US2480703A | Roll surface temperature measuring device | Expired / Lapsed | 1947-11-19 | 1949-08-30 | 0 | Details |
| US2476104A | Method and apparatus for control | Expired / Lapsed | 1941-03-27 | 1949-07-12 | 0 | Details |
| US2467752A | Wrapped wire strain gauge | Expired / Lapsed | 1944-08-15 | 1949-04-19 | 0 | Details |
| US2461026A | Differentiator | Expired / Lapsed | 1944-01-06 | 1949-02-08 | 0 | Details |
| US2460503A | Apparatus for measuring liquid level or specific gravity | Expired / Lapsed | 1945-02-26 | 1949-02-01 | 0 | Details |
| US2445335A | Altitude and rate of change measuring device and control fo… | Expired / Lapsed | 1941-05-03 | 1948-07-20 | 0 | Details |
| US2394549A | Specific gravity measuring device | Expired / Lapsed | 1944-03-23 | 1946-02-12 | 0 | Details |
| US2360889A | Controller | Expired / Lapsed | 1943-04-07 | 1944-10-24 | 0 | Details |
| US2334679A | Flow control of fuel | Expired / Lapsed | 1939-09-14 | 1943-11-16 | 0 | Details |
| US2310415A | Method of and apparatus for controlling digesters | Expired / Lapsed | 1938-12-01 | 1943-02-09 | 0 | Details |
| US2277365A | Measuring apparatus | Expired / Lapsed | 1939-06-17 | 1942-03-24 | 0 | Details |
| US2272970A | Apparatus for controlling paper manufacture | Expired / Lapsed | 1937-09-04 | 1942-02-10 | 0 | Details |
| US2257998A | Unit recorder | Expired / Lapsed | 1939-10-19 | 1941-10-07 | 0 | Details |
| US2240243A | Control mechanism | Expired / Lapsed | 1937-12-03 | 1941-04-29 | 0 | Details |
| US2228902A | Automatically controlled machine tool and follow-up system | Expired / Lapsed | 1932-05-04 | 1941-01-14 | 0 | Details |
| US2211317A | Controller deviation recorder | Expired / Lapsed | 1937-07-16 | 1940-08-13 | 0 | Details |
| US2205299A | Measuring and recording instrument | Expired / Lapsed | 1937-07-30 | 1940-06-18 | 0 | Details |
| US2202205A | Electric valve control system | Expired / Lapsed | 1935-11-09 | 1940-05-28 | 0 | Details |
| US2191673A | Printing mechanism for multiplerecord recorders | Expired / Lapsed | 1937-08-10 | 1940-02-27 | 0 | Details |
| US2190912A | Measuring and recording instrument | Expired / Lapsed | 1935-03-06 | 1940-02-20 | 0 | Details |
| US2176090A | Vernier rheostat | Expired / Lapsed | 1936-06-08 | 1939-10-17 | 0 | Details |
| US2169977A | Control apparatus | Expired / Lapsed | 1937-03-22 | 1939-08-15 | 0 | Details |
| US2168031A | Automatic control of electric power | Expired / Lapsed | 1935-11-08 | 1939-08-01 | 0 | Details |
| US2148491A | Deoscillator | Expired / Lapsed | 1933-12-01 | 1939-02-28 | 0 | Details |
| USRE20476E | Temperature controller recorder including method and appara… | Expired / Lapsed | 1935-10-12 | 1937-08-17 | 0 | Details |
| US1977559A | Cupola operation | Expired / Lapsed | 1933-05-03 | 1934-10-16 | 0 | Details |
| US1950989A | Control mechanism | Expired / Lapsed | 1928-08-14 | 1934-03-13 | 0 | Details |
| US1917092A | Control system | Expired / Lapsed | 1931-01-24 | 1933-07-04 | 0 | Details |
| US1897135A | Control mechanism | Expired / Lapsed | 1930-09-15 | 1933-02-14 | 0 | Details |
| US1811417A | Recording instrument | Expired / Lapsed | 1925-06-06 | 1931-06-23 | 0 | Details |
| US1592415A | Pressure gauge | Expired / Lapsed | 1917-06-13 | 1926-07-13 | 0 | Details |