Patents by Inventor Keith Beard

Keith Beard 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).

  • Pump control method and apparatus
    Patent number: 6669448
    Abstract: A method for controlling the operation of one or more electrically-operated pumps (11, 12) to pump a liquid from a well or sump (10) which, in use, receives a substantially continuous inflow of said liquid, characterized in that the method includes the step of starting or stopping each pump in relation to the approach of a change of tariff for the electricity supplied for the operation of each said pump (11, 12).
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: December 30, 2003
    Assignee: Pulsar Process Measurement Ltd.
    Inventors: Keith Beard, Paul Lewis, Steven Lycett, Sang Tran
  • Pump control method and apparatus
    Publication number: 20020106280
    Abstract: A method for controlling the operation of one or more electrically-operated pumps (11, 12) to pump a liquid from a well or sump (10) which, in use, receives a substantially continuous inflow of said liquid, characterized in that the method includes the step of starting or stopping each pump in relation to the approach of a change of tariff for the electricity supplied for the operation of each said pump (11, 12).
    Type: Application
    Filed: December 12, 2001
    Publication date: August 8, 2002
    Applicant: Pulsar Process Measurement Limited
    Inventors: Keith Beard, Paul Lewis, Steven Lycett, Sang Tran