Patents by Inventor David S. Bettinger

David S. Bettinger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6333726
    Abstract: A pixel array-based orthogonal projection concealment apparatus applicable for continuously matching a mobile platform to its changing background integrates power means, sensing and inputting means for observer and background data, programmed computational means, and pixel array display means in a single apparatus. In its preferred embodiment the concealment projection image is displayed through a liquid crystal array.
    Type: Grant
    Filed: December 1, 1999
    Date of Patent: December 25, 2001
    Inventor: David S. Bettinger
  • Patent number: 6325108
    Abstract: Performance improved prestressed pipe and hollow member where the additional exterior layer of circumferential wound fiber and thermoset polymer on a cured fiber reinforced composite pipe and hollow member creates compression stresses in the cured pipe and hollow member to offset the tension stresses due to operational temperature loadings. In its preferred embodiment this performance improved prestressed pipe and hollow member makes composite piping for rocket engines practical.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: December 4, 2001
    Inventor: David S. Bettinger
  • Patent number: 6299716
    Abstract: A conformable coating composite, comprising a heat-shrink polymeric matrix sheet embedded with low signature functional material and coated with an adhesive layer, is used for the permanent retrofit to the surface of a vehicle to reduce detection. The method of utilization comprises the steps of applying the matrix sheet, followed by thermally conforming the matrix sheet to the vehicle, and finally thermally activating the adhesive to achieve permanent coating attachment.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: October 9, 2001
    Inventor: David S. Bettinger
  • Patent number: 6235357
    Abstract: A two phase polymer composite comprises high-modulus, continuous, pre-stressed fibers selected to maintain tension within a discontinuous fiber-reinforced polymer matrix selected to compressively restrain the pre-stressed fibers below an activation temperature. Whereas above an activation temperature the discontinuous fiber-reinforced polymer matrix is selected to cease restraint and deform to provide an external force release and dimensional change. The composite material is imparted with the characteristics of increased strength, as well as increased creep and impact resistance.
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: May 22, 2001
    Inventors: David S. Bettinger, Frederick Stoll
  • Patent number: 6166361
    Abstract: Actuators that generate positional change and external force in response to remote microwave radiation. In a preferred embodiment the actuators remotely release an electrical connector by the heating of a friable metal element; and to the method of using microwave actuators for efficient disassembly of a manufactured hard goods entity.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: December 26, 2000
    Inventor: David S. Bettinger
  • Patent number: 5552197
    Abstract: Composite materials which generate delayed dimensional change and force due to prestressed fibers constrained and controlled within and by a responsive polymer matrix which yields in a predetermined manner, and methods for preparing the same. In various embodiments the response may be externally-activated on-demand or self-activated time-dependent.
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: September 3, 1996
    Inventor: David S. Bettinger
  • Patent number: 5474527
    Abstract: A microprocessor controlled transdermal medication patch system wherein said medication is dispensed internally by positive displacement from multiple reservoirs within said patch so as to vary the drug selection, sequence, and concentration and thereby the regimen and release rate. In a preferred embodiment, electric resistance heating elements activate multiple heat-shrink polymer reservoirs to dispence beneficial fluids into a common absorbent layer for transdermal passage.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: December 12, 1995
    Inventor: David S. Bettinger
  • Patent number: 5427585
    Abstract: A transdermal medication system wherein said medication is selectively dispensed on-demand from multiple reservoirs within a disposable patch so as to vary the drug choice and the drug concentration, and thereby the regimen and release rate. In a preferred embodiment electric resistance heating activates multiple heat-shrink polymer reservoirs into an absorbent layer for transdermal passage. An embodiment of the invention dispenses a heated moisturizing fluid to facilitate transdermal transfer. In another embodiment, depletion indication is provided.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: June 27, 1995
    Inventor: David S. Bettinger
  • Patent number: 5368588
    Abstract: A parenteral fluid medication pump comprises a reservoir filled with fluid medication. The medication is continuously discharged over an extended period into the patient. The continuous discharge is obtained by a shrink polymer wall for the reservoir which is powered by the relaxation of forces which are internal to the shrink polymer. In the principal embodiment the device pumps from a reservoir which is surgically implanted and internal to the patient. A reservoir depletion warning for surgically implanted pumps which creates a physiological indicator is also taught. In other embodiments the device is capable of magnetic, external-triggered disablement.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: November 29, 1994
    Inventor: David S. Bettinger
  • Patent number: 5188260
    Abstract: Device for delayed dispensing of viscous liquids in which the plastic material of the dispensing container is selected for its ability to shrink in a predictable manner upon exposure to heat, age, light, or chemical activator; and the container shape and dimensions are selected to render the proper evacuation pressure according to the volume and viscosity of the charge to be dispensed. In various embodiments of the invention the shrink induced dispenser is used to dispense lubricants, inks, additives, and medications. In heat activated embodiments the inventiuon is capable of integral temperature responsive automatic flow control.
    Type: Grant
    Filed: June 3, 1991
    Date of Patent: February 23, 1993
    Inventor: David S. Bettinger
  • Patent number: 4806011
    Abstract: Spectacle-mounted display apparatus in which a reflective surface of a partially-transparent eyeglass lens is employed as the primary optical element. A concave spherical relay reflector is positioned inside the lens/eye cavity. The display ocular is an asymmetrical multi-axial virtual image magnifier which receives the object light on its relay reflector and thereby reflects the object light from the partially reflective surface of the spectacle lens to the wearer's eye to form a virtual image at infinity. In various embodiments of the invention, the ocular display apparatus is employed as a personal display of film, LEDs, fiber optics, CRT or electronic images generated for delivering data to a wearer as a virtual image at infinity.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: February 21, 1989
    Inventor: David S. Bettinger