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| Number | Title | Issue Date |
| 5622130 | Heel control system for sailing yachts and sailing yacht hull High performance sailing yacht designs are disclosed based on a keelless sailing yacht concept having dynamic gravitational ballast which is laterally movable for heeling resistance which ballast replaces a function of the standard keel. A keelless yacht ... | 04/22/1997 |
| 5313905 | Twin wing sailing yacht A twin wing sailing yacht having a pair of wing appendages depending from a canoe or hull, the wing appendages including structures which support at their lower ends a fore and aft extending ballast tandemly suspended between them. The wings are rotatable... | 05/24/1994 |
| 5163377 | Sailing yacht High performance sailing yacht designs are disclosed based on a keelless sailing yacht concept having fore and aft cambered foils for leeway control which foils replace the function of the standard keel. A keelless sailing yacht of this type is disclosed ... | 11/17/1992 |
| 5073948 | Midrange loudspeaker driver A midrange loudspeaker driver of the cone diaphragm and magnetic coil type having a reflection free zone immediately behind the diaphragm and within the driver to significantly reduce internal reflections of the diaphragm's rear waves resulting in improve... | 12/17/1991 |
| 4997992 | Low distortion cable A low distortion cable made of multi-strand conductors including a dielectric core, a plurality of conductive strands of solid cross-section wrapped around the core in a single layer and a plurality of dielectric spacer strands, at least one of which is i... | 03/05/1991 |
| 4870722 | Cable clamp strip An improved cable clamp strip for securing wires of a cable bundle in a predetermined orientation comprising: (1) a mounting base formed of a flexible, molded plastic with notches formed in its side edges for increased flexibility in a first direction and... | 10/03/1989 |
| 4869813 | Drill inspection and sorting method and apparatus Apparatus for inspecting and sorting drills oriented in the same direction in a hopper assembly. The hopper assembly feeds the drills, one at a time, and places them in a predetermined ready location. A camera, part of the inspection assembly, mounted dir... | 09/26/1989 |
| 4867805 | Superplastic aluminum alloys, alloy processes and component part formations thereof Improved superplastic aluminum alloys are formulated to contain less than 0.05 weight percent each of iron and silicon based on the total weight of the superplastic aluminum alloy. Advantageously these two elements are present at levels of 0.03 weight per... | 09/19/1989 |
| 4866264 | Method and apparatus for measuring non-reciprocal loss of thin magnetic films and magnetic mirrors Method and apparatus for high accuracy measurement of non-reciprocal reflectivity of magnetic thin film materials and magnetic mirrors. An ellipsometer which employs a Helmholtz coil to supply magneto-optic modulation to p-polarized light and an acousto-o... | 09/12/1989 |
| 4863330 | Composite fastener and method of manufacture An essentially cylindrical, light weight, composite fastener formed of an interior cylindrical core member, a cone-shaped molded insert plug member in the first or head end of the core, and an exterior cup-shaped overwrap member. Threads are formed at the... | 09/05/1989 |
| 4852456 | Decoy system A radar decoy ribbon packed within a dispenser body is launched from an aircraft by creating, within a launch tube, gas pressure sufficient to expel a frangible retaining plug from the outer end of the tube, driving the dispenser body into the airstream. ... | 08/01/1989 |
| 4846452 | Two-stage rotational positioning chuck for successive mask layer registration of odd-shaped, odd-sized wafers For use in a machine capable of forming integrated circuits or the like on an odd-shaped, odd-sized semiconductor wafer, an improved chuck assembly, for increasing the rotational adjustment capabilities of the chuck assembly and a semiconductor wafer supp... | 07/11/1989 |
| 4842670 | Molded vacuum bag for debulking and autoclaving laminates of complex shapes Methods are disclosed for forming silicone rubber vacuum bag assemblies which can be used repeatedly to debulk and autoclave composite layups. These bags can be formed of a single layup of uncured silicone rubber over a tool of a simple shape or as a layu... | 06/27/1989 |
| 4839303 | Planar bipolar transistors including heterojunction transistors and method A bipolar transistor is constructed to include a substrate, a collector layer epitaxial grown on the substrate and a base layer ion implanted in the collector layer. Next a further epitaxial layer is grown on the collector layer over the ion implanted bas... | 06/13/1989 |
| 4827866 | Method and apparatus for treating an article in a heated environment The invention includes a method with the steps of confining a substance which will, upon heating, produce the liquid treating composition and corrosive vapor in a first compartment and confining an article to be treated by the liquid treating composition ... | 05/09/1989 |
| 4824314 | Composite fastener system and manufacturing method thereof A method of forming a lightweight threaded fastener element of bimaterial construction to high tolerance requirements, the element formed by the steps of shaping a metal shell to a preliminary configuration blank by extrusion, filling the extruded shell w... | 04/25/1989 |
| 4822436 | Apparatus for debulking and autoclaving laminates of complex shapes Methods are disclosed for forming silicone rubber vacuum bag assemblies which can be used repeatedly to debulk and autoclave composite layups. These bags can be formed of a single layup of uncured silicone rubber over a tool of a simple shape or as a layu... | 04/18/1989 |
| 4818712 | Aluminum liftoff masking process and product An aluminum liftoff masking process is effected on a prepared gallium arsenide wafer having a base thereon. Successive layers of silicon dioxide and aluminum are deposited on the wafer. The aluminum and silicon dioxide layers are successively etched, incl... | 04/04/1989 |
| 4818607 | Small hollow particles with conductive coating The present invention provides an electrically conductive material (10) comprising a substantially spherical refractory particle (12) having an exterior surface (14) and having a diameter of no more than about 5 millimeters. An electrically conducting coa... | 04/04/1989 |
| 4816133 | Apparatus for preparing thin film optical coatings on substrates A system for coating recipient surfaces of substrates with thin optical film by the deposition of coating material. The system comprises a vacuum chamber, a target within the chamber for providing a sputtered flux and an ion beam gun adapted to direct ion... | 03/28/1989 |
| 4814025 | Method of improving properties of superplastically formed alloys by healing cavities A method for improving mechanical properties of superplastically formed alloy by healing the cavities formed as result of a superplastic forming process is disclosed. The alloy, such as an aluminum alloy, is superplastically formed and is then placed in a... | 03/21/1989 |
| 4809882 | Drill dispensing and transporting apparatus Apparatus for feeding drills, one at a time, from a hopper containing a supply of drills and for feeding them to a final predetermined position. The apparatus includes a hopper assembly having a hopper for supporting the drills, a blade for lifting the dr... | 03/07/1989 |
| 4808248 | Process for thermal aging of aluminum alloy plate A method is disclosed for preparing an improved aluminum alloy plate product wherein the plate produced from an Al-Li-Cu-Mg alloy in the T351 condition is subjected to a thermal aging treatment wherein the plate is exposed to a temperature of about 170° ... | 02/28/1989 |
| 4807260 | Non high frequency clock dependent Manchester biphasic decoder and comparator A decoder and comparator for Manchester biphase code utilizes a clock recovery logic to recover clock signals directly from the code and thus bypasses the necessity of an external clock. This recovered clock is utilized to input the code into shift regist... | 02/21/1989 |
| 4800299 | Method and apparatus for MOSFET radiation failure circumvention A method and electrical circuit for circumventing MOSFET failure resulting from exposure to high energy level radiation. The method includes the steps of turning the MOSFET on during the radiation event and keeping the MOSFET on at the end of the event un... | 01/24/1989 |
| 4793195 | Vibrating cylinder gyroscope and method The gyroscope includes a symmetric and concentric, freely vibrating cylinder. Electromagnetic forcers are arranged to apply forces on the cylinder to excite the cylinder's lowest order radially oscillating mode. The forcers also steer the resulting nodal ... | 12/27/1988 |
| 4778731 | Optically transparent electrically conductive semiconductor windows and methods of manufacture A semiconductor window which is transparent to light in the infrared range and which has good electrical conductivity is formed with a substrate of semi-conductor material which has a conduction modifying dopant diffused, grown or deposited on one surface... | 10/18/1988 |
| 4776749 | Robotic device A robotic positioning device has a support structure and a tool implement holding member which is positional within the three dimensional space of the support structure. The tool implement holding member is connected to the support structure utilizing fiv... | 10/11/1988 |
| 4761548 | Optically triggered high voltage switch with cesium vapor An electric arc discharge switch having less susceptibility to electrode erosion and capable of being optically triggered. In a first embodiment the switch includes a gas tight body defining a hollow interior with electrodes mounted onto the body and form... | 08/02/1988 |
| 4757524 | X-ray generator An improved X-ray tube including a coaxial tube with a center conductor isolated by a cylindrical insulator from a continuous annular interior conductor disposed about the insulator. The interior conductor includes sharp edged (high gradient) longitudinal... | 07/12/1988 |
| 4755014 | Refractive optical waveguide interface and lens An integrated optical waveguide structure which provides for efficient, single-mode propagation of light across an interface between two contiguous waveguide layers of differing effective refractive index. The waveguides are formed by layers of increased ... | 07/05/1988 |
| 4753149 | Braiding machine An apparatus for forming a braided covering over an article, such as a wire harness, which is continuously operable for forming a braided covering throughout the entire length of the wire harness. A sensor, operable in response to movement of the material... | 06/28/1988 |
| 4752504 | Process for continuous chemical vapor deposition of carbonaceous films A process continuously deposits a carbonaceous film, by chemical vapor deposition, onto a moving longitudinally extending web of a plurality of matted or woven fibers, a plurality of parallel individual fibers, or a bundle of fibers, of a refractory ceram... | 06/21/1988 |
| 4746054 | Method of joining concentric cylinders A method of forming a composite metal-ceramic helix structure suitable for TWT application. The method includes concentrically joining a metal cylinder disposed within a ceramic cylinder to form a high strength hermetic bond therebetween having good therm... | 05/24/1988 |
| 4741498 | Ultrasonic drag reduction and lift increase Method and apparatus for reducing aerodynamic drag and enhancing lift by using ultrasound to alter the structure of boundary layers. In one embodiment, a continuous thin sheet of ultrasound is radiated transversely into the boundary layer parallel to an a... | 05/03/1988 |
| 4740085 | Scale factor stability control In a ring laser gyroscope the sum and the difference of the two opposed beam intensities is utilized, in a first implementation, to correct gain non-linearity, and in a second implementation, to adjust tuning mirror positions to minimize non-linear gain o... | 04/26/1988 |
| 4729528 | Aeroelastic control flap Auxiliary aeroelastic control flaps arranged on the leading edge of an aircraft's wings at or near the wing tips and ahead of the ailerons for actuation under control of the pilot. The aeroelastic control flaps operate with the ailerons to induce suppleme... | 03/08/1988 |
| 4726007 | Compact disc damper and method A damper disc made of material having significant loss to vibration and low sound propagation velocity is arranged to be laid over a CD disc and in good contact with its upper surface to suppress and dissipate vibrational energy from the CD disc. The damp... | 02/16/1988 |
| 4725774 | Integrated interferometric acousto-optic spectrum analyzer Described herein is an integrated acousto-optic circuit for analyzing the spectrum of a radar signal. A waveguided optical beam is first split into two parts, one of which interacts with a surface acoustic wave generated by a reference signal and the seco... | 02/16/1988 |
| 4722860 | Carbon film coated refractory fiber cloth A flexible electrically conducting cloth is described which comprises a plurality of intermingled or interwoven refractory fibers the sheet resistance of which exceeds 1,000 ohms per square inch and a conducting coating encapsulating a majority of the fib... | 02/02/1988 |
