Siemens APP und Maschinen GmbH
Siemens APActive Patents
0
Total Holdings
48
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE749842C | Compass based on the action of the earth's magnetic field | Expired / Lapsed | 1938-06-22 | 1953-01-26 | 0 | Details |
| US2287754A | Power amplifier | Expired / Lapsed | 1940-04-03 | 1942-06-23 | 0 | Details |
| US2262173A | Automatic regulating apparatus | Expired / Lapsed | 1939-05-12 | 1941-11-11 | 0 | Details |
| US2257031A | Power amplifier | Expired / Lapsed | 1939-08-19 | 1941-09-23 | 0 | Details |
| US2255560A | Hydraulic power system | Expired / Lapsed | 1938-02-15 | 1941-09-09 | 0 | Details |
| US2252059A | Method and a device for determining the magnitudes of magne… | Expired / Lapsed | 1937-12-24 | 1941-08-12 | 0 | Details |
| US2247983A | Amplifying apparatus | Expired / Lapsed | 1940-03-06 | 1941-07-01 | 0 | Details |
| US2241499A | Earth inductor compass | Expired / Lapsed | 1939-06-06 | 1941-05-13 | 0 | Details |
| US2237661A | Keying device for ultra-short-wave transmitters | Expired / Lapsed | 1938-11-18 | 1941-04-08 | 0 | Details |
| US2237225A | Synchronous transmission system | Expired / Lapsed | 1939-05-10 | 1941-04-01 | 0 | Details |
| US2237077A | Repeating device | Expired / Lapsed | 1938-01-19 | 1941-04-01 | 0 | Details |
| US2234326A | Yielding follow-up control | Expired / Lapsed | 1939-11-09 | 1941-03-11 | 0 | Details |
| US2231439A | Centrifugal speed governor for engines | Expired / Lapsed | 1939-02-02 | 1941-02-11 | 0 | Details |
| DE700611C | Process for eliminating the rectifying effect of pressure t… | Expired / Lapsed | 1939-01-27 | 1940-12-24 | 0 | Details |
| US2222886A | Servomotor control system for airplanes | Expired / Lapsed | 1937-01-16 | 1940-11-26 | 0 | Details |
| US2220055A | Course indicator for aircraft | Expired / Lapsed | 1937-10-25 | 1940-10-29 | 0 | Details |
| DE695876C | Device for measuring the content of liquid containers | Expired / Lapsed | 1936-02-14 | 1940-09-05 | 0 | Details |
| US2213357A | Direction indicating means | Expired / Lapsed | 1938-03-15 | 1940-09-03 | 0 | Details |
| US2204292A | Direction indicating means | Expired / Lapsed | 1938-06-04 | 1940-06-11 | 0 | Details |
| US2200745A | Electron discharge device | Expired / Lapsed | 1937-10-15 | 1940-05-14 | 0 | Details |
| US2197890A | Flight control device, more particularly for fast aircraft | Expired / Lapsed | 1938-04-02 | 1940-04-23 | 0 | Details |
| US2197898A | Automatic gyroscopic control apparatus for vehicles | Expired / Lapsed | 1937-09-29 | 1940-04-23 | 0 | Details |
| US2191250A | System for the automatic control of airplanes | Expired / Lapsed | 1935-09-04 | 1940-02-20 | 0 | Details |
| US2190390A | Automatic steering device for aircraft | Expired / Lapsed | 1938-04-09 | 1940-02-13 | 0 | Details |
| US2189475A | Regulating apparatus | Expired / Lapsed | 1937-10-12 | 1940-02-06 | 0 | Details |
| US2188834A | Control apparatus for vehicles | Expired / Lapsed | 1938-05-21 | 1940-01-30 | 0 | Details |
| US2188606A | Gyroscopic apparatus for determining the inclination of an … | Expired / Lapsed | 1938-05-16 | 1940-01-30 | 0 | Details |
| US2188628A | Measuring instrument | Expired / Lapsed | 1937-11-26 | 1940-01-30 | 0 | Details |
| US2187120A | Aircraft engine control | Expired / Lapsed | 1936-04-04 | 1940-01-16 | 0 | Details |
| US2179179A | Servomotor for the remote control of aircraft | Expired / Lapsed | 1937-11-24 | 1939-11-07 | 0 | Details |
| US2178306A | Course device for vehicles | Expired / Lapsed | 1937-06-25 | 1939-10-31 | 0 | Details |
| US2164412A | Navigating apparatus for instruction purposes | Expired / Lapsed | 1937-07-30 | 1939-07-04 | 0 | Details |
| US2162862A | Attitude control means for aircraft | Expired / Lapsed | 1938-05-20 | 1939-06-20 | 0 | Details |
| US2160970A | Inclinometer for aircraft | Expired / Lapsed | 1937-04-05 | 1939-06-06 | 0 | Details |
| US2159142A | Automatic rudder control for aircraft | Expired / Lapsed | 1938-04-26 | 1939-05-23 | 0 | Details |
| US2137974A | Aileron control for airplanes | Expired / Lapsed | 1936-09-09 | 1938-11-22 | 0 | Details |
| US2134132A | Method and system for the vertical navigation of blind land… | Expired / Lapsed | 1935-05-16 | 1938-10-25 | 0 | Details |
| DE666562C | Aiming device for the dropping of objects from aircraft | Expired / Lapsed | 1934-05-12 | 1938-10-24 | 0 | Details |
| US2133670A | Voltage measuring system | Expired / Lapsed | 1935-11-08 | 1938-10-18 | 0 | Details |
| DE659887C | Device for setting, in particular remote setting, of an obj… | Expired / Lapsed | 1932-01-22 | 1938-05-12 | 0 | Details |
| US2112965A | Regulator for aircraft driving gears | Expired / Lapsed | 1935-04-18 | 1938-04-05 | 0 | Details |
| US2110622A | Automatic speed stabilizing device for aircraft | Expired / Lapsed | 1935-03-07 | 1938-03-08 | 0 | Details |
| DE646425C | Rotary pendulum for determining the perpendicular or the ho… | Expired / Lapsed | 1935-11-15 | 1937-06-14 | 0 | Details |
| DE643684C | Device for the inductive remote display of rotary movements… | Expired / Lapsed | 1932-01-24 | 1937-04-14 | 0 | Details |
| US2051837A | Automatic control arrangement for aircraft | Expired / Lapsed | 1935-07-01 | 1936-08-25 | 0 | Details |
| US2016857A | Self steering arrangement | Expired / Lapsed | 1935-03-05 | 1935-10-08 | 0 | Details |
| DE619055C | Altitude control device for the automatic interception of a… | Expired / Lapsed | 1934-01-11 | 1935-09-23 | 0 | Details |
| US2003930A | Automatic rudder control device | Expired / Lapsed | 1934-05-03 | 1935-06-04 | 0 | Details |