| Patent Number |
Title Of Patent |
Date Issued |
| H1572 |
Wavelength stabilizing laser mirror |
August 6, 1996 |
| A high performance wavelength stabilizing laser mirror/output coupler, particularly useful for stabilizing a laser cavity within a narrow bandwidth, is described, which comprises a substrate of selected material on which is deposited an optical coating having a refractive index profile |
| H1560 |
Crash site locator beacon |
July 2, 1996 |
| The Locator Beacon (LB) is an 18 inch diameter hemispherical unit designed to be air dropped via parachute from a search aircraft near an aircraft crash site. The LB is self uprighting when it lands on the ground and its antenna is always oriented for maximum efficiency. When activated, |
| H1537 |
Perfluorinated polyether lubricant compositions |
June 4, 1996 |
| A lubricant composition comprises a perfluorinated polyalkylether base fluid (PFPAE) and an oxidation-corrosion inhibiting amount of a perfluoro-substituted benzothiazole or bis-benzothiazole. The benzothiazole compound additive exhibits excellent solubility in the base fluid and pos |
| H1520 |
Fuel line squeegee |
March 5, 1996 |
| A device for forcing fluid along a collapsible conduit is described which comprises a yoke including a web and first and second projecting leg members, a first roller supported between the first and second leg members for rotation about a first axis, a block member supporting an axle and |
| H1460 |
Spiral-mode or sinuous microscrip antenna with variable ground plane spacing |
July 4, 1995 |
| This is a microstrip antenna which eliminates the cavity used typically in spiral and sinuous type antennas. A small spacer between the antenna element and ground plane replaces the cavity. This significantly reduces the depth of the antenna and permits antenna shapes which conform to a |
| H1456 |
Flat end diamond loading probe for fiber push-out apparatus |
July 4, 1995 |
| A novel loading probe for fiber-matrix testing machines is made of diamond and has a truncated cone end for push-in and push-out tests of fibers in a fiber-matrix composite. The diameter of the probe body or shaft is greater than the diameter of the fiber to be pushed and the flat surfac |
| H140 |
Carbon/carbon combustor external insulation |
October 7, 1986 |
| The combustion chambers of ramjet-powered missiles must be thermally insulated to protect adjacent equipment from combustion gas temperatures of 3000.degree. F. or greater. Thermal protection is accomplished in the present disclosure by the hot wall carbon/carbon combustor, and an in |
| H1379 |
Supersonic fan nozzle for abrasive blasting media |
December 6, 1994 |
| A supersonic fan nozzle for abrasive blast removal of coatings particularly for use with plastic abrasive media, provides much greater media particle velocity, a more uniform velocity profile, and a more uniform media particle distribution than prior art nozzles. The new nozzle has a |
| H1365 |
Hybrid gun barrel |
November 1, 1994 |
| A new hybrid gun barrel can be successfully used with modern hotter propellants without unacceptable erosion of the breech section of the gun barrel and while retaining the accuracy and ballistic characteristics of a fully rifled gun barrel. The gun barrel comprises a smooth bore breech |
| H1356 |
Bomb sensor system |
September 6, 1994 |
| The system is a remotely operated, autonomous multi-channel time history recording device which uses digital and computer technologies to detect, record and display the results of tests that are time varying dependent. It is particularly suited to monitoring the effects of exploding warh |
| H1354 |
Optical data transducer |
September 6, 1994 |
| An optical data transducer system is described which comprises a cryogenic dewar for containing an infrared focal plane array at low temperature and an optical spatial light modulator, collimated laser beam and associated optical train and detector for efficient extraction of information |
| H1349 |
Bushing removal tool |
September 6, 1994 |
| A new bushing removal tool for removing bushings from aircraft transparencies combines a U-shaped tool body, supporting base plates, a threaded shaft extending through the tool body, a large nut screwed on one end of the threaded shaft and a bushing puller on the other end of the thr |
| H134 |
Buried junction enhanced Schottky barrier device |
September 2, 1986 |
| A Schottky barrier device having a completely submersed Schottky barrier junction to enhance the collection efficiency of photogenerated carriers. A method is also disclosed for manufacturing the device. |
| H133 |
Printed wiring board circuit isolator tool |
September 2, 1986 |
| A tool for isolating a printed circuit wiring trace from a component pin, said tool having a rotatable shank with an internal cavity and external cutting flutes formed on an end thereof. The end of the tool is pushed over the exposed end of the pin such that the cutting flutes bear again |
| H1328 |
Adjustable aeromedical equipment bracket |
July 5, 1994 |
| A support bracket for securing medical equipment on or near a litter carried within a medical vehicle, which comprises an extensible tubular member having a threaded lock fitting along the length thereof for locking the extensible member at selected length, first and second tubular end |
| H1316 |
Disposable gas and toxic fume mask |
June 7, 1994 |
| A disposable respiratory protective gas and toxic fume mask is described which comprises a transparent hood of thin film chemical resistant material sealable at the neck or to the face of a subject and covering the eyes, nose and mouth, a filter in the hood for filtering and conducting |
| H1258 |
Blade lock screw |
December 7, 1993 |
| This disclosure relates to the blade lock that serves to secure the blades to the drum rotor of a compressor in a gas turbine engine that is characterized by its ease of removal upon disassembly. The blade lock consists of two components, a locking member that engages the surface of a |
| H1206 |
Cascade crossflow tower |
July 6, 1993 |
| System and method for removing volatile organic compounds from water are described which comprise a substantially closed housing, a column of fluid permeable extended surface packing disposed between a pair of screens within said housing and extending substantially from the top to the bo |
| H1182 |
Dielectric optical switch |
May 4, 1993 |
| A novel optical filter structure for selectively blocking radiation of predetermined wavelength is described which comprises a plurality of alternate first and second layers deposited on a substantially transparent substrate, the first layers comprising a transparent nontransitioning |
| H1181 |
Method for high resolution radar imagery and accurate dimensional measurements |
May 4, 1993 |
| This invention involves a method of processing radar returns to form two-dimensional images of targets such as ground vehicles, aircraft, ships, and so forth. Resolution in one dimension is provided by range resolution, and resolution in the other dimension is provided by Doppler res |
| H1177 |
Radioactively biased optical limiter |
April 6, 1993 |
| A radioactively biased optical power limiter device is described which comprises first and second lenses disposed along an optical axis with a common focal plane therebetween, the first lens disposed for receiving electromagnetic energy input directed along the optical axis and focusing |
| H1136 |
Electrolytic deposition and recovery of silver |
February 2, 1993 |
| A method for electroplating sliver is described which comprises a plating and/or stripping solution of an alkali hydroxide and ethylenediamine having a basic pH in the range of about 7.5 to 13, and having an ethylenediamine concentration of about 5 to 33% by volume, the electroplatin |
| H1133 |
Aircraft arresting system and method |
February 2, 1993 |
| An aircraft arresting system providing a controlled, gradual aircraft deceleration is disclosed. The system includes an arresting barrier comprised of a triggering net/parachute combination. The triggering net is aligned transversely to the runway and is actuated by contact with the |
| H1079 |
Superconductive polarization control network |
July 7, 1992 |
| Polarization Control Networks (PCNs) are used in active solid-state array transmitters. Polarization ECM requires precise polarization control of the transmitted signal. Prior polarization control networks (vector modulators) use ferrite phase shifters to achieve low loss and wide ba |
| H1046 |
Drill chuck remover |
May 5, 1992 |
| A tool for removing a drill chuck from the threaded shaft of a drill motor is described which comprises a tubular segment sized for snugly receiving the drill chuck and including a threaded hole defined through the wall thereof for receiving a set screw for engaging the drill chuck for |
| H1039 |
Intrusion-free physiological condition monitoring |
April 7, 1992 |
| A physiological well-being monitoring system especially suited for use by the pilot or other aircrew members of a high-performance aircraft such as a tactical aircraft is disclosed. The monitoring arrangement includes non-invasive sensing of arterial blood supply in the cranial adjacent |
| H1024 |
Thrust vectoring and reversing nozzle |
March 3, 1992 |
| A thrust vectoring and reversing exhaust nozzle structure for a gas turbine engine is described which comprises a rotatable flap mounted within the exhaust duct of the engine, and being rotatable about an axis of rotation extending transverse of the exhaust duct and substantially central |
| H1012 |
Tube clamp |
January 7, 1992 |
| A tubing clamp is described which comprises first and second parts having respective first and second bases and first and second upstanding portions and sized for assembly with the second base resting upon the first base and the upstanding portions in confronting relationship, registerin |
| H1006 |
Multilevel classifier structure for gas turbine engines |
December 3, 1991 |
| A signal classifier system is disclosed that includes an on-line apparatus for monitoring various electrical signal inputs derived from vibration signals without data interruption, and providing an output from each of several levels of classifications. Classification is by a three-level |
| D394760 |
Combined desk and hutch |
June 2, 1998 |
|
| D389335 |
Desk with reversible pedestals |
January 20, 1998 |
|
| D387576 |
Bed with reversible storage thereunder |
December 16, 1997 |
|
| D381827 |
Seat |
August 5, 1997 |
|
| D379877 |
Bunk bed for dormitory style rooms |
June 17, 1997 |
|
| 6139268 |
Turbine blade having an extensible tail |
October 31, 2000 |
| A turbine blade having an extensible tail is described. The extensible tail is selectively positionable during engine operation, enabling fine-tuning for maximum power and efficiency during engine operation. During periods of operation exhibiting low Reynolds number flows, the extensible |
| 6137601 |
Incoherent erasure joint transform correlator |
October 24, 2000 |
| A holographic grating is written into a photorefractive erasable holographic member and a light beam having a first wavelength which includes the joint power spectrum of a pair of joint images to be correlated is directed at the photorefractive member to partially erase the grating. |
| 6135390 |
Whole-spacecraft hybrid isolation system for launch vehicles |
October 24, 2000 |
| A whole-spacecraft passive isolation system consisting of a plurality of titanium flexures that act as soft springs to isolate a satellite from its launch vehicle is improved by the addition of piezoceramic wafers attached to the flexures. A low-pass filter feedforward controller is used |
| 6134425 |
Digital module RF section |
October 17, 2000 |
| A miniature RF receiver in the UHF frequency band. This receiver design is specific to the implementation of a digital module, as it contains no downconversion elements, and provides the capability of defining the operational frequency with cascaded tunable filter stages. The tunable |
| 6134045 |
Chitosan optical materials |
October 17, 2000 |
| Chitosan-based electro-optic elements are disclosed. An optical waveguide is made from films of chitosan-acetic acid, and from films of chitosan-acetic acid doped with various rare-earth metal ions, over a substrate. Optical limiters are made from chitosan gel host materials doped wi |
| 6130753 |
Laser optical density measurement system |
October 10, 2000 |
| An apparatus for measuring optical density of highly absorptive materials in which a beam splitter divides light from a laser source into a reference beam, which is directed to a reference detector, and a sample beam, which is reflected off a diffusing plate, through a light limiting |
| 6130339 |
Electro-active monomers comprised of aniline-thiophene units |
October 10, 2000 |
| Provided are novel, electropolymerizable monomers of the formulae: ##STR1## |
| 6128950 |
Spring testing containment |
October 10, 2000 |
| A device which can be used to test heavy coil springs, which is of simple low-cost construction, but which is so designed that the spring can be readily mounted thereon for testing and can be readily removed when testing is completed, and will effectively retain the spring in proper |
| 6127280 |
Photoelectrochemical capacitance-voltage measurements of wide bandgap semiconductors |
October 3, 2000 |
| A method of determining the carrier concentration depth profile in n-type wide bandgap semiconductor wafers is disclosed. The method includes placing a semiconductor wafer within a photoelectrochemical capacitance-voltage measurement system, in contact with a Schottky electrolyte sol |
| 6117697 |
Solid state magnetic field sensor method |
September 12, 2000 |
| A method for making a magnetoresistive sensing device including depositing an ultrathin active film responsive to changes in magnetic field energy onto a compliant layer of periodic table group III-V semiconductor material on a semiconductor substrate wafer, the compliant layer being |
| 6114994 |
Photonic time-delay beamsteering system using fiber bragg prism |
September 5, 2000 |
| A one-laser technique for optical time-delay beamsteering of a microwave phased-array antenna in transmit-and- receive modes. Arrays of reflective, fiber Bragg gratings are employed and a modulated, wavelength-tuned laser excites prism-shaped arrays of chirped or single-frequency grating |
| 6114498 |
Benzobisazole polymers containing 2,2'-bipyridine-5,5 '-diyl moieties |
September 5, 2000 |
| An at least semiconductive polymer film is provided by infiltrating novel rigid-rod heterocyclic polymer film containing a 2,2'-bipyridine-5,5'-diyl moiety, with a conductive metal salt. These polymers have repeating units of the formula ##STR1## wherein Z is selected from the gr |
| 6113242 |
Active edge controlled optical quality membrane mirror |
September 5, 2000 |
| A thin membrane is mounted on an optically flat circular outer ring and stretched over a smaller optically flat circular inner ring. Differential pressure is applied to the annulus formed between the inner and outer rings to prestrain the membrane and separately applied to the inner ring |
| 6111641 |
Nonlinear spectrophotometer |
August 29, 2000 |
| The purpose of the nonlinear spectrophotometer is to provide a simple instrument that can be used on a routine basis to accurately measure the two-photon absorption (TPA) coefficient and cross-section on a wide variety of materials. The instrument is capable of measuring: (1) both or |
| 6109564 |
Electromagnetic, sliding space environment protection satellite door |
August 29, 2000 |
| A magnetically suspended door is described for the protection of spacecraft instrumentation exposed to space. The door is slid between an opened or closed position using electromagnets. |
| 6107617 |
Liquid crystal active optics correction for large space based optical systems |
August 22, 2000 |
| Large space-based optical systems are expected to produce optical beams with large wavefront phase aberrations due to their size, weight limitations, optical misaligments and primary mirror imperfections. The present invention combines a phase diversity wavefront sensor with a real-t |
