Now showing items 21-30 of 30

    • Retrofit winglets for wind turbines 

      Miller, L. Scott; Matheswaran, Vijay (United States Patent and Trademark Office, 2022-01-04)
      A winglet is provided for retrofitting to a wind turbine. Aerodynamic and centrifugal forces for winglets having a range of configurations including winglet height, taper ratio, twist, and cant angle are modeled, wherein ...
    • Small molecule therapeutic inhibitors against picornaviruses, caliciviruses, and coronaviruses 

      Chang, Kyeong-Ok; Kim, Yunjeong; Groutas, William C. (United States Patent and Trademark Office, 2021-05-25)
      Antiviral protease inhibitors are disclosed, along with related antiviral dipeptidyl compounds, macrocyclic derivatives thereof and methods of using the same to treat or prevent viral infection and disease from coronaviruses, ...
    • Spreading sequence system for full connectivity relay network 

      Kwon, Hyuck M.; Yang, Jie; Pham, Khanh D. (United States Patent and Trademark Office, 2018-04-24)
      Fully connected uplink and downlink fully connected relay network systems using pseudo-noise spreading and despreading sequences subjected to maximizing the signal-to-interference-plus-noise ratio. The relay network systems ...
    • System and method for channel probability mass function dependent frequency hopping 

      Kwon, Hyuck M.; Hannon, Matthew; Pham, Khanh D. (United States Patent and Trademark Office, 2017-11-14)
      A system and method for generating a channel statistics dependent frequency hopping pattern that requires low computational complexity and simultaneously maximizes channel capacity and minimizes the symbol error rate or ...
    • System and method for generating exact symbol error rates of frequency-hopped signals 

      Kwon, Hyuck M.; Pham, Khanh D. (United States Patent and Trademark Office, 2017-08-22)
      A system and method for transmitting data over a wireless communication network. The method broadly includes generating a frequency hopping pattern spanning a plurality of time hops and a plurality of signal frequencies; ...
    • System and method for recycling of pre-impregnated composite fibers 

      Asmatulu, Ramazan; Patlolla, Vamsidhar Reddy (United States Patent and Trademark Office, 2017-10-03)
      An apparatus for recycling of fibers pre-impregnated with resin may include a container configured to receive a predetermined amount of solvent and a predetermined amount of fibers pre-impregnated with resin. The apparatus ...
    • System for developing composite repair patches on aircraft or other composite structures 

      Tomblin, John S.; Brown, Brian M.; Salah, Lamia (United States Patent and Trademark Office, 2018-03-20)
      A system for generating a repair patch for a damaged area of a composite structure may include a scanning module, a repair patch model generator and a cutting tool. The scanning module may be deployed at the location of ...
    • Trumpet slide ring spacer 

      Hunsicker, John David (United States Patent and Trademark Office, 2020-01-14)
      Structures and methods are provided for adjusting a size of a slide ring aperture for a musical instrument. Embodiments include a trumpet slide ring spacer adapted to be mounted on an instrument and retained within a valve ...
    • Vehicle operator impairment detection system and method 

      He, Jibo; Ren, Zhiquan (United States Patent and Trademark Office, 2017-11-07)
      An operator impairment detection system comprising a wearable mobile device including a frame for supporting the wearable mobile device on an operator's face, an accelerometer for sensing acceleration of the wearable mobile ...
    • Virtual reality driver training and assessment system 

      Ni, Rui (United States Patent and Trademark Office, 2020-11-03)
      A virtual reality (VR) based driving simulation system and method provides hazard perception training and testing. Some embodiments use a personal computing device (e.g., smartphone), a head-mounted VR headset, and a ...