• Damped frequency response apparatus, systems, and methods 

      Jeffrey K. Bennighof (United States Patent and Trademark Office, 2007-03-06)
      Apparatus, systems, and methods are disclosed to solve an equation associated with a structure of the form {−ω2MR+iωBR+[(1+iγ)KR+i(K4R)]}Y=FR, wherein ω is a time-harmonic excitation frequency, MR is a reduced form of a ...
    • Data tag control for quantum-dot cellular automata 

      Earl E. Swartzlander, Jr.; Inwook Kong (United States Patent and Trademark Office, 2016-06-14)
      The present disclosure relates to methods and systems for data tag control for quantum dot cellular automata (QCA). An example method includes receiving data, associating a data tag with the data, communicating the data ...
    • Data tag control for quantum-dot cellular automata 

      Earl E. Swartzlander, Jr.; Inwook Kong (United States Patent and Trademark Office, 2013-04-09)
      The present disclosure relates to methods and systems for data tag control for quantum dot cellular automata (QCA). An example method includes receiving data, associating a data tag with the data, communicating the data ...
    • Decoding a communication signal that contains analog pulses with exponentially-shaped leading edges 

      Robert H. Flake (United States Patent and Trademark Office, 2014-12-30)
      A receiver for decoding a communication signal is disclosed. The receiver includes an input port and a filter. The input port receives the communication signal from a communication medium. The communication signal comprises ...
    • Defect-free ultrahigh flux asymmetric membranes 

      Ingo Pinnau; William Koros (United States Patent and Trademark Office, 1990-02-20)
      Defect-free, ultrahigh flux integrally-skinned asymmetric membranes having extremely thin surface layers (<0.2 .mu.m) comprised of glassy polymers are disclosed. The membranes are formed by casting an appropriate drope ...
    • Dehydrogenation using dehydrogenation catalyst and polymer-porous solid composite membrane 

      Stephen J. Miller; William Koros; Mary E. Rezac (United States Patent and Trademark Office, 1995-07-04)
      Light paraffinic hydrocarbons are catalytically dehydrogenated using a dehydrogenation catalyst and a polymer-porous solid composite membrane capable of separating hydrogen from the effluent of the dehydrogenation reaction. ...
    • Delivery of therapeutic agents 

      James W. McGinity; Susan L. Ashley (United States Patent and Trademark Office, 1993-07-13)
      The present invention relates to a composition of matter for the time-dependent liberation of therapeutic agents. This composition of matter comprises a polymeric slab and a homogeneously dispersed enzyme which degrades ...
    • Dendritic macroporous hydrogels prepared by crystal templating 

      Christine E. Schmidt; Scott A. Zawko (United States Patent and Trademark Office, 2014-05-20)
      The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the ...
    • Dendritic macroporous hydrogels prepared by crystal templating 

      Christine E. Schmidt; Scott A. Zawko (United States Patent and Trademark Office, 2014-03-11)
      The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the ...
    • Dendritic macroporous hydrogels prepared by crystal templating 

      Christine E. Schmidt; Scott A. Zawko (United States Patent and Trademark Office, 2018-02-20)
      The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the ...
    • Dendritic macroporous hydrogels prepared by crystal templating 

      Christine E. Schmidt; Scott A. Zawko (United States Patent and Trademark Office, 2016-04-26)
      The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the ...
    • Densely packed sensor arrays 

      C. Grant Willson; Jason E. Meiring; Timothy B. Michaelson (United States Patent and Trademark Office, 2011-09-13)
      A system and method for recognition of images may include the use of alignment markers. The image recognized may be a pattern from an array, a character, a number, a shape, and/or irregular shapes. The pattern may be formed ...
    • Depth-resolved spectroscopy method and apparatus 

      Rebecca R. Richards-Kortum; Ann M. Gillenwater; Richard A. Schwarz (United States Patent and Trademark Office, 2009-03-03)
      Methods and apparatus for depth-resolved spectroscopy. A ball lens may be used to redirect light from a fiber-optic probe so that the light intersects the detection region of a collection probe in a specific depth layer ...
    • Detecting isotopes and determining isotope ratios using raman spectroscopy 

      Philip L. Varghese; Manfred F. Fink (United States Patent and Trademark Office, 2004-08-17)
      The methods and apparatus described may be used for the discrimination of two closely spaced spectral lines. In certain embodiments the methods and apparatus may be used for the detection of isotopes and isotopic ratios ...
    • Detection of genomic abnormalities with unique aberrant gene transcripts 

      Lee, Ming-Sheng (United States Patent and Trademark Office, 1991-03-12)
      The present invention involves a method for detecting the unique aberrant gene transcripts of a targeted cellular genomic abnormality in a tissue sample. This method comprises a series of steps. Initially, total cellular ...
    • Detection of minimal numbers of neoplastic cells carrying DNA translocations by DNA sequence amplification 

      Lee, Ming-Sheng (United States Patent and Trademark Office, 1991-06-18)
      The present invention related to a sensitive method of detecting t(14;18) translocations arising from variable breakpoints in the J-region of the immunoglobulin heavy chain locus on chromosome 14. These breakpoints are ...
    • Detection of textural defects using a one class support vector machine 

      Alan C. Bovik; Dinesh Nair; Eduardo Perez; Sina Jahanbin (United States Patent and Trademark Office, 2013-06-04)
      Method for detecting textural defects in an image. The image, which may have an irregular visual texture, may be received. The image may be decomposed into a plurality of subbands. The image may be portioned into a plurality ...
    • Detection system based on an analyte reactive particle 

      Dean P. Neikirk; Jason B. Shear; John T. McDevitt; Eric V. Anslyn (United States Patent and Trademark Office, 2003-08-05)
      A system for the rapid characterization of multi-analyte fluids, in one embodiment, includes a light source, a sensor array, and a detector. The sensor array is formed from a supporting member into which a plurality of ...
    • Determination of oil saturation in reservoir rock using paramagnetic nanoparticles and magnetic field 

      Thomas E. Milner; Keith P. Johnston; Chun Huh; Steven L. Bryant (United States Patent and Trademark Office, 2015-09-15)
      Methods for detection of the presence and distribution of oil in subsurface formation are described herein. The present invention involves injection of an aqueous dispersion of the nanoparticles into the potentially oil ...
    • Determining anisotropy in a stratum using scattered vertical and horizontal shear modes 

      Bob A. Hardage; Robert J. Graebner (United States Patent and Trademark Office, 2003-09-23)
      The present invention provides a system for, and method of determining anisotropy in a stratum using scattered horizontal shear and vertical shear modes. The method includes transforming seismic energy wave generated by a ...