Patents by Inventor Asher Singer

Asher Singer 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).

  • Patent number: 6317041
    Abstract: A refuge bay monitoring system including a radio system connected to a computer in an above-ground control room, and a controller connected to a radio system in a below-ground refuge bay or safe area for mine workers. The controller monitors the operation of equipment in the refuge bay and any doors to the refuge bay. The refuge bay radio system communicates with the radio system in the above-ground control room so the computer can monitor the refuge bay. The radio systems provide intercommunication for data and voice.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: November 13, 2001
    Assignee: C.T. Systems CC
    Inventors: Asher Singer, Andy Steenkamp
  • Patent number: 6215410
    Abstract: A rescue guiding system for underground mine personnel to guide the movement of a person during hazardous life-threatening situations from a work area through a passageway to a refuge bay, including a network of short-range radio transmitters each transmitting a different digitally coded signal and a receiver for each person having an indication device to guide the person in the correct direction to reach the refuge bay.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: April 10, 2001
    Inventors: Asher Singer, Andy Steenkamp