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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 8047409 | Device for the metered removal of bulk material An apparatus for the metered removal of bulk material from a bin, the apparatus having a top bulk-material-filling opening, bottom bulk-material-removal opening, and a rotor that is connected in a driven manner to at least one sweeping arm disposed inside the bin ne... | 11/01/2011 |
| 7882992 | Cellular wheel sluice A cellular wheel sluice embodied as a blow-through sluice is suitable for dosing secondary fuel, for example. The blow-through sluice includes a supply chute (2) in the top area and a cylindrical housing (1) which is disposed below the supply chute ( | 02/08/2011 |
| 7712381 | Antenna device for injecting or extracting microwaves into/from tubular hollow bodies, and device for measuring mass flow by using antenna devices of this type An antenna arrangement for coupling high frequency electromagnetic waves into or out of a pipe-shaped hollow body includes two patch antenna elements that are located opposite one another and integrated in the pipe inner wall (5) of the hollow body (1)... | 05/11/2010 |
| 7614311 | Device for measurement of a material mass flow including a flow measuring device A device for the measurement of the mass flow, in particular, of a bulk material flow, by the Coriolis measuring principle, comprising a motor with an impeller, driven at constant speed. The bulk material flow is dispensed onto the impeller, radially deflected and m... | 11/10/2009 |
| 7296481 | Cruciform spring element The invention relates to a cross spring element, as it is preferably arranged in measuring apparatuses for the measurement of the mass flow of bulk materials according to the Coriolis principle. In that regard, two bearing elements (1, 2) that are rotatable r... | 11/20/2007 |
| 7168328 | Measuring device for determining the mass rate of flow of a mass flow The invention relates to a measuring device for determining the mass rate of flow of a mass flow, especially for measuring a flow of bulk material. An impeller wheel (2), which is connected to the drive shaft (3) and which is driven at a constant rotat... | 01/30/2007 |
| 6952971 | Apparatus for measuring a mass flow The invention relates to a device for measuring a mass flow, comprising a measuring wheel (3) that is supported by a shaft (4) and that is driven and impinged axially by the mass flow. Said wheel deflects the flow, giving it both radial and tangential ... | 10/11/2005 |
| 6928853 | Method and device for the hysteresis correction of measured values for sensors with extensometers A transducer including a deformation body with a strain gage produces hysteresis-affected measured values based on the strain of the deformation body. Each measured value is to be corrected by the hysteresis error. For this purpose, a hysteresis model is formed from... | 08/16/2005 |
| 6705171 | Torque measuring device for a device measuring the flow of material The invention relates to a device for measuring the flow of material, especially of a flow of bulk material, according to the Coriolis principle of measurement. The device has an impeller (2) which is driven by a motor (9) with a constant r.p.m. The fl... | 03/16/2004 |
| 6688496 | Dosing device for bulk materials The invention relates to a dosing device containing a supply container (8), a dosing container (30) and a discharge device (12). A separate vertical stirring section (22, 22A) is provided in each container, namely the supply container (8) and the dosing c... | 02/10/2004 |
| 6516287 | Method and device for simulating the mass of motor vehicles placed on stationary test stands The invention relates to a method and an apparatus for the mass simulation of vehicle masses on a stationary roller test stand, wherein the simulation mass (msim) is determined from the test stand mass (mP) and from the mass (m{chara... | 02/04/2003 |
