Siemens Schuckertwerke AG
Siemens ScActive Patents
0
Total Holdings
80
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB782774A | Improvements in or relating to resistance devices for gener… | Expired / Lapsed | 1955-07-26 | — | 0 | Details |
| GB478417A | Improvements in or relating to electrically driven fans | Expired / Lapsed | 1937-07-15 | — | 0 | Details |
| US3366909A | Contact-free electrical signal device | Expired / Lapsed | 1965-10-24 | 1968-01-30 | 0 | Details |
| US3366908A | Contact-free rotary resistor arrangement | Expired / Lapsed | 1965-10-22 | 1968-01-30 | 0 | Details |
| US3349299A | Power recitfier of the npnp type having recombination cente… | Expired / Lapsed | 1963-09-13 | 1967-10-24 | 2 | Details |
| US3341772A | Device for measuring locally dependent differences between … | Expired / Lapsed | 1964-10-21 | 1967-09-12 | 2 | Details |
| US3315125A | High-power ion and electron sources in cascade arrangement | Expired / Lapsed | 1963-06-14 | 1967-04-18 | 1 | Details |
| US3304481A | Circuit for direct current miniature motors without mechani… | Expired / Lapsed | 1964-07-29 | 1967-02-14 | 2 | Details |
| US3291918A | Magneto-electric signal transmission system | Expired / Lapsed | 1962-01-29 | 1966-12-13 | 2 | Details |
| US3280392A | Electronic semiconductor device of the four-layer junction … | Expired / Lapsed | 1962-05-08 | 1966-10-18 | 2 | Details |
| US3259755A | Hall generator switching circuits | Expired / Lapsed | 1961-06-27 | 1966-07-05 | 2 | Details |
| US3243509A | Apparatus for measuring the molten zone diameter in zone-me… | Expired / Lapsed | 1963-04-26 | 1966-03-29 | 2 | Details |
| US3221261A | Amplifying system including a push-pull preamplifier and ou… | Expired / Lapsed | 1962-08-14 | 1965-11-30 | 1 | Details |
| US3200316A | Electronically commutated direct-current motor | Expired / Lapsed | 1963-05-09 | 1965-08-10 | 2 | Details |
| US3200207A | Method and means for recording and reproducing magnetograms | Expired / Lapsed | 1959-12-09 | 1965-08-10 | 2 | Details |
| US3199630A | Position sensing devices, particularly in hoisting and conv… | Expired / Lapsed | 1959-08-12 | 1965-08-10 | 1 | Details |
| US3152933A | Method of producing electronic semiconductor devices having… | Expired / Lapsed | 1962-06-06 | 1964-10-13 | 2 | Details |
| US3140965A | Vapor deposition onto stacked semiconductor wafers followed… | Expired / Lapsed | 1962-06-27 | 1964-07-14 | 2 | Details |
| US3099534A | Method for production of high-purity semiconductor material… | Expired / Lapsed | 1961-02-20 | 1963-07-30 | 1 | Details |
| US3097335A | Electric current inverter | Expired / Lapsed | 1960-11-18 | 1963-07-09 | 2 | Details |
| US3086156A | Apparatus for controlling a powerrectifier system | Expired / Lapsed | 1960-08-17 | 1963-04-16 | 1 | Details |
| US3078549A | Method of producing semiconductor wafers | Expired / Lapsed | 1959-03-24 | 1963-02-26 | 2 | Details |
| US3048711A | Transistor reversible counting circuit with resistive coupl… | Expired / Lapsed | 1958-11-28 | 1962-08-07 | 0 | Details |
| US3046405A | Transistor device | Expired / Lapsed | 1959-01-19 | 1962-07-24 | 0 | Details |
| US3042494A | Method for producing highest-purity silicon for electric se… | Expired / Lapsed | 1958-05-23 | 1962-07-03 | 2 | Details |
| US3005917A | Transistor counting circuit having resistor and diode inter… | Expired / Lapsed | 1958-11-28 | 1961-10-24 | 0 | Details |
| US2988650A | Hall-effect control element with utilization circuit | Expired / Lapsed | 1954-11-10 | 1961-06-13 | 0 | Details |
| US2946955A | Measuring apparatus comprising a magnetic field-responsive … | Expired / Lapsed | 1954-08-25 | 1960-07-26 | 0 | Details |
| US2945993A | Compensated hall voltage generator | Expired / Lapsed | 1959-04-15 | 1960-07-19 | 0 | Details |
| US2942243A | Automatic recording system | Expired / Lapsed | 1955-09-02 | 1960-06-21 | 0 | Details |
| FR1212682A | Semiconductor transistor device | Expired / Lapsed | 1959-01-06 | 1960-03-25 | 0 | Details |
| US2928761A | Methods of producing junction-type semi-conductor devices | Expired / Lapsed | 1955-06-29 | 1960-03-15 | 2 | Details |
| US2924760A | Power transistors | Expired / Lapsed | 1958-11-25 | 1960-02-09 | 0 | Details |
| US2924633A | Ignition system for internal combustion engines | Expired / Lapsed | 1955-03-25 | 1960-02-09 | 0 | Details |
| US2906945A | Apparatus for effecting an electric control in response to … | Expired / Lapsed | 1953-11-12 | 1959-09-29 | 0 | Details |
| US2898429A | Crucible-free zone-melting apparatus | Expired / Lapsed | 1958-11-14 | 1959-08-04 | 0 | Details |
| US2898483A | Program controller particularly for machine tools | Expired / Lapsed | 1958-01-08 | 1959-08-04 | 0 | Details |
| US2858275A | Mixed-crystal semiconductor devices | Expired / Lapsed | 1955-12-20 | 1958-10-28 | 2 | Details |
| US2849659A | Direct-current and alternatingcurrent circuit interrupters | Expired / Lapsed | 1954-03-24 | 1958-08-26 | 0 | Details |
| US2814015A | Hall generators of increased sensitivity | Expired / Lapsed | 1956-05-02 | 1957-11-19 | 0 | Details |
| US2798989A | Semiconductor devices and methods of their manufacture | Expired / Lapsed | 1952-03-10 | 1957-07-09 | 2 | Details |
| FR1132101A | Process for the production of a sintered body from a pulver… | Expired / Lapsed | 1955-06-20 | 1957-03-05 | 0 | Details |
| US2779970A | Extrusion molding apparatus | Expired / Lapsed | 1954-10-11 | 1957-02-05 | 0 | Details |
| US2777098A | Magnetically controlled electric counting apparatus | Expired / Lapsed | 1952-05-16 | 1957-01-08 | 0 | Details |
| US2754464A | Measuring and control device for dynamoelectric machines | Expired / Lapsed | 1955-01-13 | 1956-07-10 | 0 | Details |
| US2750540A | Selenium rectifiers and their manufacture | Expired / Lapsed | 1950-08-17 | 1956-06-12 | 2 | Details |
| US2738452A | Dry multi-pellet rectifiers | Expired / Lapsed | 1951-06-13 | 1956-03-13 | 2 | Details |
| US2736858A | Controllable electric resistance devices | Expired / Lapsed | 1952-07-08 | 1956-02-28 | 0 | Details |
| US2705105A | Apparatus for the coded representation of measuring values | Expired / Lapsed | 1952-04-16 | 1955-03-29 | 0 | Details |
| FR1081675A | Cooling device dry rectifier using liquid cooling medium | Expired / Lapsed | 1953-07-28 | 1954-12-22 | 0 | Details |
| US2648805A | Controllable electric resistance device | Expired / Lapsed | 1950-10-21 | 1953-08-11 | 0 | Details |
| DE838035C | Device for connecting elongated lights to form strips of li… | Expired / Lapsed | — | 1952-03-27 | 0 | Details |
| DE828270C | Hot wire relay for switching the auxiliary phase of single-… | Expired / Lapsed | 1950-02-18 | 1952-01-17 | 0 | Details |
| DE699892C | Row clamp composed of individual bodies | Expired / Lapsed | 1939-03-07 | 1942-08-07 | 0 | Details |
| US2154275A | Electrode supporting structure | Expired / Lapsed | 1936-10-30 | 1939-04-11 | 0 | Details |
| US2128090A | Refrigerating apparatus of the compression type | Expired / Lapsed | 1937-12-16 | 1938-08-23 | 0 | Details |
| US2103303A | Device for producing electron rays of high energy | Expired / Lapsed | 1936-03-04 | 1937-12-28 | 0 | Details |
| DE654510C | Device for connecting auxiliary devices to electrical count… | Expired / Lapsed | 1935-09-25 | 1937-12-21 | 0 | Details |
| DE634161C | Automatic periodic switching device with temperature-depend… | Expired / Lapsed | 1934-10-16 | 1936-08-19 | 0 | Details |
| US2047554A | Manufacture of tubes from polystyrene and the like substanc… | Expired / Lapsed | 1935-02-15 | 1936-07-14 | 0 | Details |
| DE628167C | Valve, the shut-off body of which is connected to a flexibl… | Expired / Lapsed | 1934-09-09 | 1936-03-30 | 0 | Details |
| DE617088C | Electromagnetically operated piston pump | Expired / Lapsed | 1931-11-01 | 1935-08-12 | 0 | Details |
| DE616468C | Electric sewing machine drive | Expired / Lapsed | — | 1935-07-29 | 0 | Details |
| US1934821A | Device for producing colored pictures | Expired / Lapsed | 1932-05-28 | 1933-11-14 | 0 | Details |
| DE587525C | Device for the automatic regulation of the current of the a… | Expired / Lapsed | 1931-08-01 | 1933-11-04 | 0 | Details |
| US1911976A | Electron tube | Expired / Lapsed | 1930-01-07 | 1933-05-30 | 0 | Details |
| US1909065A | Protective arrangement for electric installations | Expired / Lapsed | 1930-08-28 | 1933-05-16 | 0 | Details |
| DE574975C | Electric wall fan with flap lock | Expired / Lapsed | 1931-05-21 | 1933-04-21 | 0 | Details |
| DE572354C | Device for removing press residues, especially for lead pre… | Expired / Lapsed | 1932-03-24 | 1933-03-16 | 0 | Details |
| US1897223A | Process and apparatus for operating continuous absorption m… | Expired / Lapsed | 1929-10-24 | 1933-02-14 | 0 | Details |
| DE561402C | A control device that works as a function of the speed, par… | Expired / Lapsed | 1928-02-17 | 1932-10-13 | 0 | Details |
| DE538654C | Insulating tube for laying electrical lines | Expired / Lapsed | 1929-08-09 | 1931-11-16 | 0 | Details |
| DE533609C | Firedamp-proof connector | Expired / Lapsed | 1928-05-25 | 1931-09-17 | 0 | Details |
| DE505122C | Resonance relay with a loop-shaped spring that is excited t… | Expired / Lapsed | 1927-09-28 | 1930-08-14 | 0 | Details |
| DE500204C | Lowering pump unit with diving bell | Expired / Lapsed | 1928-06-29 | 1930-06-19 | 0 | Details |
| DE491624C | Automatic control for the washing and rinsing water inflow … | Expired / Lapsed | 1925-10-03 | 1930-02-12 | 0 | Details |
| DE452437C | Method and arrangement for cleaning the collecting electrod… | Expired / Lapsed | 1924-08-03 | 1927-11-10 | 0 | Details |
| FR597460A | Handle and handle coupling | Expired / Lapsed | 1925-04-29 | 1925-11-21 | 0 | Details |
| DE388555C | Circuit for reducing the voltage drop in transformers for r… | Expired / Lapsed | 1920-09-22 | 1924-01-15 | 0 | Details |
| US1187795A | Apparatus for converting heat energy. | Expired / Lapsed | 1913-10-31 | 1916-06-20 | 0 | Details |