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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8154714 | Gas analyzer Gas analyzer systems and methods for measuring concentrations of gasses and in particular dry mole fraction of components of a gas. The systems and method allow for rapid measurement of the gas density and/or dry mole fraction of gases for a number of environmental ... | 04/10/2012 |
| 8018981 | Multi-pass optical cell with actuator for actuating a reflective surface A multi-pass optical cell with an actuator for actuating a reflective surface is provided. In one preferred embodiment, an apparatus is provided comprising a first reflective surface, a second reflective surface, and a support structure supporting the first and seco... | 09/13/2011 |
| 6369387 | Gas analyzer In one preferred embodiment, a gas analyzer is presented that focuses light beams through gas cells without reflecting the light beams off the walls of the cells. By eliminating wall reflections, dirt or debris on the walls of the cells will not result in... | 04/09/2002 |
| 6317212 | Gas analyzer The present gas analyzer allows for the effective measurement of the concentration of one or more gases or vapors within a sample. The gas analyzer utilizes a plurality of reference filters that are located between the source and the sample region to enha... | 11/13/2001 |
| 5534125 | DNA sequencing To sequence DNA, DNA samples marked with flourscent infrared dye are applied at a plurality of locations for electrophoresing in a plurality of channels through a gel electrophoresis slab. The channels are scanned with a laser and a sensor, that include a... | 07/09/1996 |
| 5457320 | Apparatus and method for simultaneous measurement of carbon dioxide and water To measure water vapor and carbon dioxide, a gas analyzer includes a light source, a reference flow cell, a sample flow cell, a detector and a source of gas. The light source, flow cells and detector are arranged so that the detector detects light transmi... | 10/10/1995 |
| 5360523 | DNA sequencing To sequence DNA, DNA samples marked with fluorescent infrared dye are applied at a plurality of locations for electrophoresing in a plurality of channels through a gel electrophoresis slab. The channels are scanned with a laser and a sensor, that include ... | 11/01/1994 |
| 5340987 | Apparatus and method for analyzing gas To measure water vapor and carbon dioxide, a gas analyzer includes a light source, a reference flow cell, a sample flow cell, a detector and a source of gas. The light source, flow cells and detector are arranged so that the detector detects light transmi... | 08/23/1994 |
| 4803370 | Infrared light generation To measure the amount of carbon dioxide in a mixture of gases, a source of infrared light includes a porous getter emitted formed of an inner tungsten heater with a layer of sintered together zirconium and carbon powder covered with spectrographic grade c... | 02/07/1989 |
