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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 4508796 | Chromium (V) compounds as cathode material in electrochemical power sources A cathode for use in a thermal battery, comprising a chromium (V) compound. The preferred materials for this use are Ca5 (CrO4)3 Cl, Ca5 (CrO4)3 OH, and Cr2 O5. The chromiu... | 04/02/1985 |
| 4506987 | High pressure liquid chromatographic gradient mixer A gradient mixer which effects the continuous mixing of any two miscible solvents without excessive decay or dispersion of the resultant isocratic effluent or of a linear or exponential gradient. The two solvents are fed under low or high pressure by mean... | 03/26/1985 |
| 4506822 | Method for brazing together planar and nonplanar metal members The invention relates to a method and apparatus for brazing two metal members together, at least one of which is nonplanar, in a brazing furnace using a substantially pure brazing material. The method comprises the steps of utilizing a brazing fixture to ... | 03/26/1985 |
| 4507614 | Electrostatic wire for stabilizing a charged particle beam In combination with a charged particle beam generator and accelerator, apparatus and method are provided for stabilizing a beam of electrically charged particles. A guiding means, disposed within the particle beam, has an electric charge induced upon it b... | 03/26/1985 |
| 4507589 | Low pressure spark gap triggered by an ion diode Spark gap apparatus for use as an electric switch operating at high voltage, high current and high repetition rate. Mounted inside a housing are an anode, cathode and ion plate. An ionizable fluid is pumped through the chamber of the housing. A pulse of c... | 03/26/1985 |
| 4506914 | Security seal Security for a package or verifying seal in plastic material is provided by a print seal with unique thermally produced imprints in the plastic. If tampering is attempted, the material is irreparably damaged and thus detectable. The pattern of the imprint... | 03/26/1985 |
| 4505218 | Tamper-indicating seal There is disclosed a tamper-indicating seal that permits in the field inspection and detection of tampering. Said seal comprises a shrinkable tube having a visible pattern of markings which is shrunk over the item to be sealed, and a second transparent tu... | 03/19/1985 |
| 4505287 | Flow metering valve An apparatus for metering fluids at high pressures of about 20,000 to 60,000 psi is disclosed. The apparatus includes first and second plates which are positioned adjacent each other to form a valve chamber. The plates are made of materials which have sub... | 03/19/1985 |
| 4505973 | Electrically conductive rigid polyurethane foam A rigid, polyurethane foam comprises about 2-10 weight percent, based on the total foam weight, of a carbon black which is CONDUCTEX CC-40-220 or CONDUCTEX SC, whereby the rigid polyurethane foam is electrically conductive and has essentially the same mec... | 03/19/1985 |
| 4479387 | Fixture for holding testing transducer A fixture for mounting an ultrasonic transducer against the end of a threaded bolt or stud to test the same for flaws. A base means threadedly secured to the side of the bolt has a rotating ring thereon. A post rising up from the ring (parallel to the axi... | 10/30/1984 |
| 4459138 | Recovery of alkali metal constituents from catalytic coal conversion residues In a coal gasification operation (32) or similar conversion process carried out in the presence of an alkali metal-containing catalyst wherein particles containing alkali metal residues are produced, alkali metal constituents are recovered from the partic... | 07/10/1984 |
| 4430600 | Modular low aspect ratio-high beta torsatron A fusion reactor device in which the toroidal magnetic field and at least a portion of the poloidal magnetic field are provided by a single set of modular coils. The coils are arranged on the surface of a low aspect ratio toroid in planes having the cylin... | 02/07/1984 |
| 4175954 | Self-disintegrating Raney metal alloys A method of preparing a Raney metal alloy which is capable of self-disintegrating when contacted with water vapor. The self-disintegrating property is imparted to the alloy by incorporating into the alloy from 0.4 to 0.8 weight percent carbon. The alloy i... | 11/27/1979 |
| 4110257 | Raney nickel catalytic device A catalytic device for use in a conventional coal gasification process which includes a tubular substrate having secured to its inside surface by expansion a catalytic material. The catalytic device is made by inserting a tubular catalytic element, such a... | 08/29/1978 |
