Patents by Inventor Dafang Zhang

Dafang Zhang 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: 9501626
    Abstract: Dispensing machine. The machine includes a number of silos for the storage of smaller objects and a mechanism for dispensing the stored objects into a central receptacle at a designated time or frequency in a combinatorial manner, regardless of the size, shape, or other physical characteristics of the pill to be dispensed. Major components of the device include a number of silos for storing objects of dispersal, a user input interface, a circuit board, an actuator, a central receptacle, a sensor, a storage receptacle, and an alarm. It is preferred that the designated time or frequency for dispersal from each silo is set by a user or a third-party. It is preferred that the machine further includes a capability for wireless connectivity to an intranet or an internet and a mechanism for monitoring access to the central receptacle and for outputting feedback to a user or a third-party.
    Type: Grant
    Filed: May 29, 2013
    Date of Patent: November 22, 2016
    Inventors: Dafang Zhang, Ashwin Nathan, Allen Cheng, Eli Cohen
  • Publication number: 20140358278
    Abstract: Dispensing machine. The machine includes a number of silos for the storage of smaller objects and a mechanism for dispensing the stored objects into a central receptacle at a designated time or frequency in a combinatorial manner, regardless of the size, shape, or other physical characteristics of the pill to be dispensed. Major components of the device include a number of silos for storing objects of dispersal, a user input interface, a circuit board, an actuator, a central receptacle, a sensor, a storage receptacle, and an alarm. It is preferred that the designated time or frequency for dispersal from each silo is set by a user or a third-party. It is preferred that the machine further includes a capability for wireless connectivity to an intranet or an internet and a mechanism for monitoring access to the central receptacle and for outputting feedback to a user or a third-party.
    Type: Application
    Filed: May 29, 2013
    Publication date: December 4, 2014
    Inventors: Dafang Zhang, Ashwin Nathan, Allen Cheng, Eli Cohen
  • Publication number: 20040067263
    Abstract: The present invention discloses a method for preparing Anemone Raddeana extract, comprising the following steps: a) pulverizing a rhizome, stem, leaf, flower, and fruit of Anemone Raddeana to obtain crude powders of Anemone Raddeana; b) extracting the crude powders of Anemone Raddeana with an ethanol solution, filtering, and recovering the ethanol; c) absorbing by a macroporous absorbing resin, removing pigments and saccharides, then eluting the resin until colorless with water or aqueous alkali solution, thus the fraction of saponin is retained in tile column; d) eluting with 50˜70% ethanol, recovering tile ethanol, adding gelatin, filtering precipitate, decoloring with decolor macroporous resin, eluting with 50˜70% ethanol, recovering the ethanol, concentrating and drying to obtain crude saponins of Anemone Raddeana. The present invention further relates to a method for extracting Raddeanin A. The method of the invention is convenient and suitable for industrial production.
    Type: Application
    Filed: October 15, 2003
    Publication date: April 8, 2004
    Inventors: Dayou Liu, Datong Liu, Jinwen Qiu, Dafang Zhang, Hongke Li, Yifeng Liu