Patents by Inventor W. Thomas Bushman

W. Thomas Bushman 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).

  • Apparatus and method for remote sensor monitoring, metering and control
    Patent number: 4241237
    Abstract: A remote unit for a remote meter reading system. The remote unit initiates a telephone call to a central complex at a predetermined callback time. In response to an acknowledgement signal indicative of a completed connection, the remote unit transmits indicia of its identity and collected data. The central complex responds with an instruction word, to control the next scheduled callback time and operational mode of the remote unit. Error code, load management and demand metering provisions are disclosed.
    Type: Grant
    Filed: January 26, 1979
    Date of Patent: December 23, 1980
    Assignee: Metretek Incorporated
    Inventors: Theodoros G. Paraskevakos, W. Thomas Bushman