Patents by Inventor Walter Thomas Hake

Walter Thomas Hake 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: 3994251
    Abstract: The trimmed edges of cylindrical metal bodies are freed of internal burrs by shifting the body axially on the support means to move the burr-bearing edge from the cutting element to a cylindrical surface portion, following which an ironing tool flattens the burr against the surface so as to effect its fracture and removal from the body.
    Type: Grant
    Filed: November 13, 1975
    Date of Patent: November 30, 1976
    Assignee: American Can Company
    Inventors: Walter Thomas Hake, Andrew Halasz