Patents by Inventor Richard H. Malanaphy

Richard H. Malanaphy 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).

  • Slug-splitting punch
    Patent number: 4543722
    Abstract: A male punch member is disclosed for use with a female die member to remove a slug in two pieces from a sheet metal workpiece. The working end of the punch member is specially configured to enable punching and splitting of a slug into two pieces from a wide range of materials such as 10-gauge, type 304 stainless steel while providing acceptable punch life.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: October 1, 1985
    Assignee: Ex-Cell-O Corporation
    Inventors: Larry G. Adleman, Richard H. Malanaphy