Patents by Inventor Arvind Ishwarial Patel

Arvind Ishwarial Patel 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).

  • Ultrasonic edge sensor for the detection of a web edge
    Patent number: 5803334
    Abstract: An edge sensor working on ultrasonic principles is used to protect the edge of a travelling web and has a plurality of sensor units with adjacent or overlapping ultrasonic measurement fields between the transmitter and receiver of each unit. The units are switched so that only one unit serves to output a receiver signal when the edge crosses over into the respective measurement field.
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: September 8, 1998
    Assignee: Erhardt + Leimer GmbH
    Inventors: Arvind Ishwarial Patel, Gerhard Alt, Wolfgang Krauth, Hans Seibold