Patents by Inventor John P. Greiner

John P. Greiner 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).

  • MODULAR CONICAL CHIPPER/CANTER HEAD AND METHOD
    Publication number: 20120298261
    Abstract: A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module, providing a conical, solid hub module for mounting one or more chipping knives, and at least one of (a) installing one or more control plates between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.
    Type: Application
    Filed: June 22, 2012
    Publication date: November 29, 2012
    Inventor: John P. Greiner
  • Modular conical chipper/canter head and method
    Patent number: 8225828
    Abstract: A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module, providing a conical, solid hub module for mounting one or more chipping knives, and at least one of (a) installing one or more control plates between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: July 24, 2012
    Assignee: Key Knife, Inc.
    Inventor: John P. Greiner
  • Modular conical chipper/canter head and method
    Publication number: 20080135132
    Abstract: A modular conical chipper/canter head and method. A preferred method adjusts the cutting head for changes in chip length. The method includes the steps of providing an annular facing module, providing a conical, solid hub module for mounting one or more chipping knives, and at least one of (a) installing one or more control plates between the facing module and the hub module, and (b) removing the one or more control plates from between the facing module and the hub module, for spacing the facing and hub modules apart a selected amount.
    Type: Application
    Filed: December 11, 2006
    Publication date: June 12, 2008
    Inventor: John P. Greiner