Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5402720 | Booster-missile self-aligning adapter A self-aligning adapter used for attaching a booster to a missile includes a hollow tapered receptacle positioned on the missile. A tapered member sized and shaped to fit into and mate with the receptacle is positioned on the booster. The tapered member f... | 04/04/1995 |
| 5343168 | Harmonic frequency synthesizer with adjustable frequency offset A frequency synthesizer having a comb frequency generator, comb line selection filter, and phase locked loop for filtering out spurious signal components and for offsetting the synthesizer output frequency from the frequency of a signal which is output by... | 08/30/1994 |
| 5341236 | Nonlinear optical wavelength converters with feedback An optical frequency conversion apparatus includes at least one resonator (10) having an optical path defined by a plurality of mirrors (M1, M2). A nonlinear conversion medium (10a) is disposed within the optical path of the resonator, the nonlinear conve... | 08/23/1994 |
| 5341143 | Hierarchical tracker and method Method and apparatus for guiding a projectile to a target in a scene using a scene imaging sensor in which the projectile has a guidance and control system for aiming the projectile. A first tracker analyzes the scene and selects a first track point repre... | 08/23/1994 |
| 5341142 | Target acquisition and tracking system An automatic target acquisition and tracking system has been developed for a focal plane array seeker. The automatic target acquisition is achieved by three independent target acquisition algorithms, viz., the maximum likelihood classification, the video ... | 08/23/1994 |
| 5340915 | Crosslinked magnetic polymers and methods for preparation thereof A crosslinked polymer composition having intense magnetic properties and a method for preparation of same. A phthalimide compound and an aromatic dialiphatic acid are reacted in the presence of an acetate of a monovalent metal at elevated temperatures to ... | 08/23/1994 |
| 5340301 | Corrugated substructure forming tool A process and apparatus for rapidly and accurately forming corrugated substructures of complex shapes utilizing composite material A plurality of movable elongated ribs are positioned on a base plate for lateral movement between an open position at which ... | 08/23/1994 |
| 5339305 | Disk-based optical correlator and method The correlation speed and storage capacity of an optical disk-based correlator is enhanced by employing a thick (several hundred micron) photo- polymeric film (or other thick holographic media) on the disk as the recording media to permit volume holograph... | 08/16/1994 |
| 5339287 | Airborne sensor for listening to acoustic signals An acoustic sensor for use in a typical atmospheric condition, which contains both winds and turbulence, such as a wind and turbulence encountered on the exterior surface of a moving airborne flight vehicle includes a probe housing having a streamlined sh... | 08/16/1994 |
| 5339259 | High speed high resolution ultrasonic position and orientation tracker A continuous wave ultrasonic tracking system using an ultrasonic transmitter acoustically radiating a continuous wave ultrasonic transmitted signal and an ultrasonic receiver detecting the transmitted signal as a received signal. The system mixes the tran... | 08/16/1994 |
| 5336748 | Epoxy and amino trialkoxysilane reaction products Silane polymer coating compositions which have excellent bonding properties for metallic surfaces and which make such surfaces highly resistant to corrosion. The compositions are formed by anhydrously reacting an epoxy trialkoxy silane with a primary amin... | 08/09/1994 |
| 5328540 | Mechanized lay up assembly line for composite structures A mechanized lay up assembly line for composite structures has a tool delivery station having a plurality of rollers on its surface for moving tools across the surface. Adjacent to the tool delivery station is a work station. The work station includes a w... | 07/12/1994 |
| 5326206 | Method for compensating for bolt hole misalignment and bolt assemblies therefor Method and assembly for producing shear-resistant attachment between a prefabricated top plate having a plurality of preformed bolt passage holes and a support member having a corresponding plurality of bolt-receiving holes which may be slightly out of al... | 07/05/1994 |
| 5326140 | Submerged cam actuated rotary latch for front access panels A submerged panel latch having an eccentric cam rotatable in the plane of the panel near the panel outer surface and accessible to the user, a latch rotor engaged by the cam and rotatable in a plane perpendicular to that of the cam, inward facing strikers... | 07/05/1994 |
| 5325174 | Integrated optic gyro with one Bragg transducer A laser gyroscope is provided that utilizes a single frequency shifter, in the form of a Bragg cell, to adjust the frequencies of counter-rotating optical signals in a thin film waveguide to achieve resonance along the optical path encountered by each of ... | 06/28/1994 |
| 5325106 | Analog driver for scrollable spatial light modulator A scrollable spatial light modulator--or SLM--provides non-destructively transfer and display of an analog signal, which may include multiple levels of gray scale information, for high speed analog optical processing. Each pixel in the scrollable SLM cons... | 06/28/1994 |
| 5322243 | Separately banking maneuvering aerodynamic control surfaces, system and method A maneuvering system for a flight vehicle rotates a lifting aerodynamic surface of the flight vehicle about an axis parallel with a direction of flight of the vehicle in a rotational direction corresponding to the desired change of flight direction to whi... | 06/21/1994 |
| 5318018 | Advanced aircrew protection system An advanced aircrew protection system comprising a helmet assembly adapted to sustain a full pneumatic pressure within the helmet adjacent to the head of the wearer; a suit assembly adapted to sustain a pressure adjacent to selected parts of the body of t... | 06/07/1994 |
| 5309218 | Gas ring laser gyroscopes In a gas ring laser gyroscope characterized by a gain medium for producing at least one monochromatic narrow electromagnetic beam reflected to form a loop about the gain medium, the improvement wherein bypass channels are provided, displaced from the beam... | 05/03/1994 |
| 5292475 | Tooling and process for variability reduction of composite structures Variability between composite structures can be reduced by utilizing forming and curing tooling that includes a cure tool and a preform tool. The cure tool has a curing surface. The curing surface defines the shape of a cured composite structure. The pref... | 03/08/1994 |
| 5281305 | Method for the production of optical waveguides employing trench and fill techniques A method is described for producing stacked optical waveguides in a silicon dioxide substrate and includes the steps of: etching a first trench in the substrate; filling the first trench with a glassy optical transmission media; depositing a layer of sili... | 01/25/1994 |
| 5275984 | Fiber coating of unbonded multi-layers for toughening ceramic fiber-matrix composites A composite comprising a ceramic matrix having immersed ceramic reinforcing fibers is strengthened and toughened by providing a multi-layer ceramic coating surrounding each fiber. The multiple layers in the fiber coating are not bonded to one another. As ... | 01/04/1994 |
| 5270428 | Corrosion-resistant silane polymer coating compositions Silane polymer coating compositions which have excellent bonding properties for metallic surfaces and which make such surfaces highly resistant to corrosion. The compositions are formed by anhydrously reacting an epoxy trialkoxy silane with a primary amin... | 12/14/1993 |
| 5269904 | Single tank de-oxidation and anodization process The invention is a single-bath electrolytic de-oxidation and anodization process in which a workpiece surface such as an aluminum surface is electrolytically de-oxidized and then anodized to form an adhesive oxide layer in the same electrolytic chemical b... | 12/14/1993 |
| 5268062 | Method and apparatus for carbon coating and boron-doped carbon coating a porous refractory substrate A gravity assisted open system for coating porous refractory substrates with a highly uniform layer of graphite or other material. Pyrolytic dissociation of downwardly flowing precursor gases in an inert atmosphere, countercurrent to an upward direction o... | 12/07/1993 |
| 5265827 | Paddle wheel rotorcraft An aircraft having vertical takeoff and landing capability having at least first and second laterally extending paddle wheels rotatable on a central axis generally perpendicular to the longitudinal axis of the aircraft and between its nose and tail. Each ... | 11/30/1993 |
| 5252730 | Polymer composition having intense magnetic properties and method for preparation thereof A polymer composition having intense magnetic properties and a method for preparation of same. A phthalimide compound and an aromatic dialiphatic acid are reacted in the presence of a metal catalyst at elevated temperatures to form a phenylenebis diphthal... | 10/12/1993 |
| 5251381 | Precision angularity hole checker with indicator A device for the angularity of a hole has a housing, a pivotally movable probe, and a digital display for displaying angular deviation of the probe from a home position. The device can additionally or alternatively have a signaling device to signal angula... | 10/12/1993 |
| 5245927 | Dual-tandem unmanned air vehicle system An unmanned air vehicle system which is intended for launch from a platform such as an aircraft or a ship and to follow other than a ballistic trajectory includes a pair of substantially similar air vehicles in a tandem relationship. A unitary tubular air... | 09/21/1993 |
| 5235439 | Volume-holographic inner product processor A pattern recognition apparatus and a method for operating same. The apparatus includes a volume holographic medium (4) having a plurality of Fourier-space volume holograms representing pattern templates stored within. The apparatus further includes a spa... | 08/10/1993 |
| 5225696 | Focal plane array with charge transfer gate A radiation detection system includes an array of radiation detectors disposed on a common substrate of type-n silicon, wherein each detector includes an electrode spaced apart from the silicon by silicon dioxide. Two rows of the detectors are coupled by ... | 07/06/1993 |
| 5222827 | Fastener installation and method for composite members A fastener installation for securing a composite member to a structure. The fastener installation includes a shear member adhesively bonded to a surface of the composite member, and a pin member extending through the shear member and composite member to e... | 06/29/1993 |
| 5221578 | Weak frangible fiber coating with unfilled pores for toughening ceramic fiber-matrix composites A ceramic fiber/ceramic matrix composite has ceramic fibers and a porous coating on the fibers. A ceramic matrix contacts the porous coating, the fiber and coating being immersed in the ceramic matrix. The porous coating is selected from the group includi... | 06/22/1993 |
| 5206503 | X-Y translational imaging device with housing supporting means for a camera body including image sensing means An imaging device has a lens for focusing light and a sensor for imaging that light. The lens is selected such that the focus coverage area projected from the lens is much greater in area than the area of the sensor. The sensor is moved through the covera... | 04/27/1993 |
| 5205171 | Miniature silicon accelerometer and method A miniature accelerometer is fabricated using integrated circuit manufacturing and silicon micromachining techniques to form a closed loop, force balance sensor utilizing a silicon proofmass formed from and connected to a layer of silicon by a split flexu... | 04/27/1993 |
| 5204042 | Method of making composite laminate parts combining resin transfer molding and a trapped expansion member In a process for forming composite laminate parts from reinforcing fibers and resin, a mold is selected which has a mold cavity having a part definition surface therein and a resin passageway leading to the cavity. An expansion member capable of expanding... | 04/20/1993 |
| 5202168 | Precision retro-reflective target tape A retro-reflective target tape comprising a lower sub-laminate having an upper transparent thick mylar backing about 2 mils thick, a release sheet therebeneath and a pressure sensitive adhesive therebetween; and an upper sub-laminate having an upper light... | 04/13/1993 |
| 5166949 | Method and apparatus for suppressing off-axis modes in laser and ring laser gyroscopes A dielectric interference film having a central region of one thickness and a peripheral region of a different thickness is superimposed on one of the mirrors of a ring laser gyroscope for the purpose of suppressing off-axis resonant modes that are charac... | 11/24/1992 |
| 5162271 | Method of forming a ductile fiber coating for toughening non-oxide ceramic matrix composites A method of toughening a fiber/matrix ceramic composite consisting of non-oxide based ceramic fibers immersed in a ceramic matrix. The method includes, prior to immersing the fibers in the matrix, applying a metallo-organic solution of a noble metal to th... | 11/10/1992 |
| 5145297 | System and method for particulate matter removal A system and method for removing particulate matter from an object being machined or having been machined. A vacuum tube is connected to a source of vacuum and has an intake end adapted to be placed in close proximity to the object being machined. In one ... | 09/08/1992 |
