Patents by Inventor Eric D. Bach

Eric D. Bach 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: 7173535
    Abstract: An apparatus is provided for containing an animal in a defined area. The apparatus comprises first and second communicating units; one operatively associated with the animal, and the other positioned to locate the area. At least one of the units is adapted to transmit a signal, and at least one of the units is adapted to receive the signal. A circuit is adapted to measure the transmission time or change in transmission time of the signal and calculate the distance between the first and second units. At least one of the first and second units is configured to emit an output to contain the animal in the area when the transmission time corresponds to the animal leaving the area.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: February 6, 2007
    Inventors: Eric D. Bach, Steven E. Bach
  • Publication number: 20040070508
    Abstract: An apparatus is provided for containing an animal in a defined area. The apparatus comprises first and second communicating units; one operatively associated with the animal, and the other positioned to locate the area. At least one of the units is adapted to transmit a signal, and at least one of the units is adapted to receive the signal. A circuit is adapted to measure the transmission time or change in transmission time of the signal and calculate the distance between the first and second units. At least one of the first and second units is configured to emit an output to contain the animal in the area when the transmission time corresponds to the animal leaving the area.
    Type: Application
    Filed: October 15, 2002
    Publication date: April 15, 2004
    Inventors: Eric D. Bach, Steven E. Bach