Patents by Inventor Kate L. Smith

Kate L. Smith 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).

  • Electrostatic spraying device and a method of electrostatic spraying
    Patent number: 9211551
    Abstract: An electrostatic spraying device (1) and method for dispensing a controlled volume of liquid in pulses using an emitter (2) having a spray area (29) from which the liquid can be sprayed, a means for injecting charges into the liquid, whereby, in use, the liquid (3) is delivered to the spray area by electrostatic forces and electrostatic spraying occurs in one or more pulses whilst the charges are injected. The charges may be injected by a time-varying or constant non-zero electric field so that electrospray occurs above a threshold value.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: December 15, 2015
    Assignee: Queen Mary & Westfield College
    Inventors: John P. W. Stark, Matthew S. Alexander, Mark D. Paine, Kate L. Smith
  • ELECTROSTATIC SPRAYING DEVICE AND A METHOD OF ELECTROSTATIC SPRAYING
    Publication number: 20100155496
    Abstract: An electrostatic spraying device (1) and method for dispensing a controlled volume of liquid in pulses using an emitter (2) having a spray area (29) from which the liquid can be sprayed, a means for injecting charges into the liquid, whereby, in use, the liquid (3) is delivered to the spray area by electrostatic forces and electrostatic spraying occurs in one or more pulses whilst the charges are injected. The charges may be injected by a time-varying or constant non-zero electric field so that electrospray occurs above a threshold value.
    Type: Application
    Filed: May 19, 2008
    Publication date: June 24, 2010
    Applicant: Queen Mary & Westfield College
    Inventors: John P. W. Stark, Matthew S. Alexander, Mark D. Paine, Kate L. Smith