Patents by Inventor Randall Hertzler

Randall Hertzler 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).

  • Battery charge monitoring apparatus and method
    Patent number: 5281955
    Abstract: An apparatus and method for monitoring operation and recording status of at least one battery component of an uninterruptable power supply is provided. Physical parameters of a battery are sensed and stored upon deviation from preselected limits. In addition, the present value of the physical parameters are displayed. Back-up power is supplied upon the interruption of utility power. Furthermore, an operator is signaled with an alarm when utility power is interrupted or there is deviation from preselected battery operation limits.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: January 25, 1994
    Assignee: C & D Charter Power Systems, Inc.
    Inventors: Gregory N. Reich, Randall Hertzler