| Patent application number | Description | Published |
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| 20100307910 | TILTED MULTI EFFECT DISTILLATION MODULE WITH MEANS FOR HEATING AND COOLING - A tilted multi effect distillation module comprising a plurality of distillation stages, each stage defined by a first and a second sheet member arranged in parallel to each other, the second sheet member above the first sheet member, and by one or more frame members ( | 12-09-2010 |
| 20100326428 | METHOD FOR HEATING FRESH WATER FOR DOMESTIC OR INDUSTRIAL USE - A method and apparatus for heating service water and providing heat for the heating of buildings, if required, including a first heat source, a storage tank, and a service water heat exchanger for heating service water, where a simple, robust and efficient system is attained by connecting the first channel of the service water heat exchanger in parallel with the storage tank and by providing a control device, which controls the first circulator pump and the second circulator pump in such a way that in a first operational state the mass flow of the heat transport medium through the first heat source is greater than the mass flow of the heat transport medium through the first channel of the service water heat exchanger, and that in a second operational state the mass flow of the heat transport medium through the first heat source is smaller than the mass flow of the heat transport medium through the first channel of the service water heat exchanger | 12-30-2010 |
| 20110083462 | DEVICE FOR OBTAINING HEAT - The invention relates to a device ( | 04-14-2011 |
| 20110107757 | STIRLING ENGINE - The invention relates to a Stirling engine, including at least one cylinder in which two pistons are arranged which move counter to one another, with each piston being connected by means of a first connecting rod to an oscillating lever, and the oscillating lever is connected by means of a second connecting rod to the crankshaft, where the oscillating lever is connected in an articulated manner with its first end to the second connecting rod, it is pivotably mounted at its second end in the cylinder housing, and the first connecting rod is connected in an articulated manner between the first and second end. | 05-12-2011 |
| Patent application number | Description | Published |
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| 20090211628 | Rear contact solar cell and method for making same - The invention concerns a solar cell ( | 08-27-2009 |
| 20110053312 | METHOD FOR THE CONTACT SEPARATION OF ELECTRICALLY-CONDUCTING LAYERS ON THE BACK CONTACTS OF SOLAR CELLS AND CORRESPONDING SOLAR CELL - A method for fabricating a solar cell comprising a semiconductor substrate is proposed where electrical contacting is made on the back side of the semiconductor substrate. The back side of the semiconductor substrate has locally doped regions. The adjacent regions exhibit different doping from the region. The two regions are initially coated with electrically conductive material over the entire area. So that the conductive material does not short-circuit the solar cell, the two regions are covered with a thin electrically insulating layer at least at the region boundaries. | 03-03-2011 |
| 20110284064 | SOLAR CELL - A solar cell includes a semiconductor layer with first doping, an inducing layer arranged on the semiconductor layer and an inversion layer or accumulation layer which due to the inducing layer is induced underneath the inducing layer in the semiconductor layer. The inducing layer includes a material with a surface charge density of at least 10 | 11-24-2011 |
| 20110290318 | Semiconductor Device, In Particular Solar Cell - A semiconductor device, in particular a solar cell, comprises a semiconductor substrate having a semiconductor substrate surface and a passivation composed of at least one passivation layer which surface-passivates the semiconductor substrate surface, wherein the passivation layer comprises a compound composed of aluminium oxide, aluminium nitride or aluminium oxynitride and at least one further element. | 12-01-2011 |
| 20110308581 | SOLAR CELL - A solar cell includes a semiconductor layer, a collecting layer for collecting free charge carriers from the semiconductor layer and a buffer layer which is arranged between the semiconductor layer and the collecting layer. The buffer layer is designed as a tunnel contact between the semiconductor layer and the collecting layer. The buffer layer essentially includes a material with a surface charge density of at least 10 | 12-22-2011 |
| 20120032310 | Production Process For A Semi-Conductor Device And Semi-Conductor Device - A process for producing a semiconductor device comprises the following process steps: provision of a semiconductor substrate ( | 02-09-2012 |
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| 20090042548 | INTERROGATE-RESPONSE COMMUNICATION SYSTEM WITH PRIVACY INDICATION - A method of and apparatus for obtaining information about a product or service offering having an associated receiver responsive to an information request or query. The method comprise providing a portable subscriber device linked with a communication network, presenting at least one selectable query for information to a subscriber via the subscriber device, selecting the at least one query for information, providing a desired privacy status of the subscriber utilizing the subscriber device, transmitting the query and the privacy status and, at the associated receiver, processing the privacy status and responding to the query by providing the requested information to the subscriber. A corresponding apparatus is also disclosed. | 02-12-2009 |
| 20100225453 | INTERROGATE-RESPONSE COMMUNICATION SYSTEM WITH PRIVACY INDICATION - A method of and apparatus for obtaining information about a product or service offering having an associated receiver responsive to an information request or query. The method comprise providing a portable subscriber device linked with a communication network, presenting at least one selectable query for information to a subscriber via the subscriber device, selecting the at least one query for information, providing a desired privacy status of the subscriber utilizing the subscriber device, transmitting the query and the privacy status and, at the associated receiver, processing the privacy status and responding to the query by providing the requested information to the subscriber. A corresponding apparatus is also disclosed. | 09-09-2010 |
