Patents by Inventor Scott D. Welsh

Scott D. Welsh 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).

  • Method for compensating for variation in shut height during starting and stopping of a press
    Patent number: 5915293
    Abstract: A method for compensating for the variation in shut height of a press during stamping and forming as it is starting and stopping comprising user input of the minimum press speed at which feeding of feed material to the press should commence, monitoring of the actual press speed, and feeding of the feed material only when a minimum press speed representing a desired press shut height has been achieved. A method for inputting a desired shut height range, monitoring actual shut height and feeding feed material only when the actual shut height is within the desired shut height range is also disclosed.
    Type: Grant
    Filed: January 13, 1998
    Date of Patent: June 29, 1999
    Assignee: Vamco International, Inc.
    Inventors: Scott D. Welsh, Daniel G. Lukas, Vaughn H. Martin