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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 |
| 5831121 | Process for the production of 3-hydroxy propionic acid or a salt thereof 3-hydroxy propionic acid is obtained in high yield through the catalytic oxidation of 3-hydroxy propionaldehyde with O2 or an O2 -containing gas in the aqueous phase in the presence of a platinum-group catalyst, in particular a Pd or... | 11/03/1998 |
| 5607656 | Process for preparing potassium peroxomonosulfate triple salt A process for preparing the potassium peroxomonosulfate triple salt 2 KHSO5 .multidot.KHSO4 .multidot.K2 SO4 by partial neutralization of sulfuric acid-Caro's acid fed to a working solution containing KHSO5... | 03/04/1997 |
| 5478544 | Method for producing sodium perborate monohydrate Method and apparatus for producing sodium perborate monohydrate by dehydrating sodium perborate tetrahydrate in a fluid bed with heated air. Contact surfaces are arranged inside the fluid bed whose total area is the same as up to 500 times the area of the... | 12/26/1995 |
| 5240172 | Solder alloy for dental and jewelry parts White solder alloys for dental and jewelry parts, with working temperatures around 1000° C., contain 38 to 70% by weight gold, 6 to 20% by weight palladium, 8 to 40% by weight silver, 1 to 6% by weight iron and/or cobalt, 0 to 10% by weight copper, 0-5% ... | 08/31/1993 |
| 5239033 | Formed, polymeric organosiloxane ammonium compounds, method of their preparation and use Spherical, polymeric organosiloxane ammonium compounds are disclosed with a silica-like skeleton consisting of: ##STR1## units in which R1 and R2 stand for a group ##STR2## in which R5 is alkylene the oxygen atom... | 08/24/1993 |
| 4449402 | Apparatus for measuring the flow velocity of gases and liquids There is described an anemometer for the measurement of the flow velocity of gases and liquids particularly for the measurement of the intake air of internal combustion engines whereby the heated resistances are film resistance made of a metal layer and c... | 05/22/1984 |
| 4444936 | Bis-(silylethyl)-oligosulphides and process for their production Novel bis-(silylethyl)-oligosulphides are obtained by reacting a vinyl silane of the formula (CH2 .dbd.CH)m --SiRn1 R4--(m+n) in which R represents chlorine, bromine, iodine, C1 --C3 | 04/24/1984 |
