Now showing items 1-19 of 19

    • Algorithm and implementation system for measuring impedance in the D-Q domain 

      Virginia Tech Intellectual Properties, Inc.; Mattavelli, Paolo; Karimi, Kamiar J.; Wang, Fred; Burgos, Rolando; Boroyevich, Dushan; Fu, Sheau-Wei (Johnny); Francis, Gerald; Shen, Zhiyu (United States Patent and Trademark Office, 2015-09-22)
      A controller and infrastructure for an impedance analyzer measures responses to perturbations to respective phases of a multi-phase system at an interface between stages thereof (which may be considered as a source and ...
    • Chimeric infectious DNA clones, chimeric porcine circoviruses and uses thereof 

      Iowa State University Research Foundation, Inc.; Virginia Tech Intellectual Properties, Inc.; Halbur, Patrick G.; Meng, Xiang-Jin; Fenaux, Martijn (United States Patent and Trademark Office, 2015-12-15)
      The present invention relates to infectious DNA clones, infectious chimeric DNA clones of porcine circovirus (PCV), vaccines and means of protecting pigs against viral infection or postweaning multisystemic wasting syndrome ...
    • DC-side leakage current reduction for single phase full-bridge power converter/inverter 

      Virginia Tech Intellectual Properties, Inc.; Mattavelli, Paolo; Boroyevich, Dushan; Luo, Fang; Dong, Dong (United States Patent and Trademark Office, 2015-06-02)
      Leakage current through stray or parasitic capacitance (which is particularly large in devices such as photovoltaic cell arrays and which are damaged by such leakage currents) due to common mode switching noise in a full ...
    • Flotation machine rotor 

      Virginia Tech Intellectual Properties, Inc.; Yoon, Roe-Hoan; Yang, Yihong; Luttrell, Gerald H.; Telionis, Demetri P.; Ragab, Saad; Said, Abdel-Halim; Miskovic, Sanja; Noble, Aaron (United States Patent and Trademark Office, 2016-02-23)
      A rotor for flotation machines or flotation cells of flotation machines includes blades that are configured to provide improved bubble flow and bubble generation performance while also reducing the power requirements for ...
    • Flotation machine rotor 

      Virginia Tech Intellectual Properties, Inc.; Yoon, Roe-Hoan; Yang, Yihong; Luttrell, Gerald H.; Telionis, Demetri P.; Ragab, Saad; Said, Abdel-Halim; Miskovic, Sanja; Noble, Aaron (United States Patent and Trademark Office, 2016-01-19)
      A rotor for flotation machines or flotation cells of flotation machines includes blades that are configured to provide improved bubble flow and bubble generation performance while also reducing the power requirements for ...
    • Infectious genomic DNA clone and serological profile of Torque teno sus virus 1 and 2 

      Virginia Tech Intellectual Properties, Inc.; Meng, Xiang-Jin; Huang, Yaowei (United States Patent and Trademark Office, 2016-02-02)
      The present invention also provides infectious DNA clones, biologically functional plasmid or viral vector containing the infectious nucleic acid genome molecule of Torque teno sus virus (TTsuV). The present invention also ...
    • Lanthionine synthetase component C-like proteins as molecular targets for preventing and treating diseases and disorders 

      Virginia Tech Intellectual Properties, Inc.; Bassaganya-Riera, Josep; Hontecillas, Raquel; Lu, Pinyi (United States Patent and Trademark Office, 2015-08-11)
      The present invention relates to the field of medical treatments for diseases and disorders. More specifically, the present invention relates to the use of the lanthionine synthetase component C-like (LANCL) proteins as ...
    • Method of evaluating and ensuring stability of AC/DC power systems 

      Virginia Tech Intellectual Properties, Inc.; Karimi, Kamiar J.; Wang, Fred; Burgos, Rolando; Boroyevich, Dushan (United States Patent and Trademark Office, 2015-09-15)
      Approximating loci of eigenvalues or characteristic gains of a return ratio matrix of a model of a multi-phase power converter circuit by the loci of the d-d and q-q elements of said synchronous frame of reference applied ...
    • Method of synergistically enhancing the therapeutic efficacy and safety of medication through a combination therapy 

      Virginia Tech Intellectual Properties, Inc.; Bassaganya-Riera, Josep; Guri, Amir J.; Hontecillas, Raquel (United States Patent and Trademark Office, 2015-09-01)
      The present invention provides combinations, for treatment of subjects suffering from or at high risk of developing diseases and disorders involving expression of peroxisome proliferator-activated receptors (PPAR). The ...
    • Modified live-attenuated vaccines (MLV) created by DNA shuffling against porcine reproductive and respiratory syndrome virus (PRRSV) 

      Virginia Tech Intellectual Properties, Inc.; Meng, Xiang-Jin; Huang, Yaowei; Ni, Yanyan (United States Patent and Trademark Office, 2015-09-15)
      The present invention provides a novel infectious cDNA clone of porcine reproductive and respiratory syndrome virus (PRRSV), particularly for PRRSV strain VR2385; an improved DNA-launched reverse genetics system for PRRSV; ...
    • Multiple exposure with image reversal in a single photoresist layer 

      Virginia Tech Intellectual Properties, Inc.; Orlowski, Marius K.; Ndoye, Coumba (United States Patent and Trademark Office, 2015-08-25)
      Multiple patterned exposures of a single layer of image reversal resist prior to and following image reversal processing, upon development, respond to the respective exposures as either a positive or a negative resist, ...
    • Optimal trajectory control for LLC resonant converter for LED PWM dimming 

      Virginia Polytechnic Institute and State University; Lee, Fred C.; Ji, Shu; Feng, Weiyi (United States Patent and Trademark Office, 2016-03-01)
      Pulse width modulation is provided for controlling a resonant power converter, particularly for dimming of light emitting diode arrays without loss of efficiency. Dynamic oscillation due to the beginning of a pulse width ...
    • Optimal trajectory control for LLC resonant converter for soft start-up 

      Virginia Tech Intellectual Properties, Inc.; Lee, Fred C.; Feng, Weiyi (United States Patent and Trademark Office, 2016-04-19)
      By setting switching instants of a switching circuit of a resonant power converter based on current in a resonant circuit reaching a current limit of a current limitation band, soft start-up of the power converter can be ...
    • Pool cleaner with laser range finder system and method 

      Pentair Water Pool and Spa, Inc.; Virginia Tech Intellectual Properties, Inc.; Boothe, Brian J.; Leonessa, Alexander; Cain, Christopher H. (United States Patent and Trademark Office, 2015-07-21)
      Embodiments of the invention provide a pool cleaner control system including a laser range finder with a first laser line generator, a second laser line generator, and a camera. The first laser line generator and the second ...
    • Porcine torque teno virus vaccines and diagnosis 

      Virginia Tech Intellectual Properties, Inc.; Meng, Xiang-Jin; Huang, Yaowei (United States Patent and Trademark Office, 2016-01-05)
      The present invention provides four purified preparation containing a polynucleic acid molecule encoding porcine Torque teno virus (PTTV) genotypes or subtypes PTTV1a-VA, PTTV1b-VA, PTTV2b-VA, and PTTV2c-VA. The present ...
    • System and method for estimating a treatment volume for administering electrical-energy based therapies 

      Virginia Tech Intellectual Properties, Inc.; Davalos, Rafael V.; Garcia, Paulo A. (United States Patent and Trademark Office, 2016-03-15)
      The invention provides for a system for estimating a 3-dimensional treatment volume for a device that applies treatment energy through a plurality of electrodes defining a treatment area, the system comprising a memory, a ...
    • Treatment planning for electroporation-based therapies 

      Virginia Tech Intellectual Properties, Inc.; Robertson, John L.; Davalos, Rafael V.; Garcia, Paulo A.; Rossmeisl, John H.; Neal, II, Robert E. (United States Patent and Trademark Office, 2015-12-01)
      The present invention provides systems, methods, and devices for electroporation-based therapies (EBTs). Embodiments provide patient-specific treatment protocols derived by the numerical modeling of 3D reconstructions of ...
    • Two-stage single phase bi-directional PWM power converter with DC link capacitor reduction 

      Virginia Tech Intellectual Properties, Inc.; Wang, Ruxi; Wang, Fred; Boroyevich, Dushan; Dong, Dong (United States Patent and Trademark Office, 2015-06-30)
      DC link capacitance in a bi-directional AC/DC power converter using a full-bridge or H-bridge switching circuit can be greatly reduced and the power density of the power converter correspondingly increased by inclusion of ...
    • Using power fingerprinting (PFP) to monitor the integrity and enhance security of computer based systems 

      Virginia Tech Intellectual Properties, Inc.; Reed, Jeffrey H.; Aguayo Gonzalez, Carlos R. (United States Patent and Trademark Office, 2016-02-16)
      Procedures are described for enhancing target system execution integrity determined by power fingerprinting (PFP): by integrating PFP into the detection phase of comprehensive defense-in-depth security; by deploying a ...