Patents by Inventor Joseph Kronen

Joseph Kronen 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).

  • Remote monitoring system with variable period communication check
    Patent number: 5398782
    Abstract: A remote elevator monitoring system includes a master associated with a building and a local connected to the master. The local includes an electronic processor which executes instructions for determining whether the master has transmitted a signal packet to the local within a time period selectable at will by an operator at the local. The time period is, for example, a period selected within a range of 0-255 days. Optionally, for example, the master is programmed to transmit a signal packet to the local at a selected time on the last day of the selected time period.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: March 21, 1995
    Assignee: Otis Elevator Company
    Inventors: Samuel Talbot, Theresa M. Christy, Joseph Kronen, Ronald R. Pepin