Patents by Inventor Royston Ferris

Royston Ferris 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).

  • Automated two-component resin mixing and dispensing system
    Patent number: 11951505
    Abstract: According to some embodiments, a system and method for dispensing a floor coating in a specified ratio of multiple components is disclosed. The system and method may set and maintain a desired ratio of the multiple components by controlling, with a controller, a drive rate of respective pumps configured for propelling the components from a reservoir to a mixer or a dispenser. The controller may be responsive to at least one of a measured actual drive rate, an environmental condition, an actual usage of each component, and an operational parameter of the system, for adjusting a drive rate of the respective pumps to compensate for discrepancies that may affect the ratio of the multiple components.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: April 9, 2024
    Assignee: SWIMC LLC
    Inventors: Kyle Sanford Smith, Murty Venkata Bhamidipati, David Royston Hughes, Robert S. Smith, Peter V. Ferris, Daniel R. Allen, Charles R. Sperry, David M. Kroll
  • Watchman's clock system
    Patent number: 5491672
    Abstract: A watchman's clock system comprises a time clock unit capable of interrogating and receiving a coded response from a passive radio frequency responder, typically an identification coded radio frequency tag, located at a site to be visited.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: February 13, 1996
    Assignee: Roster Control Systems, Ltd.
    Inventor: Royston Ferris