Patents by Inventor Peter Carl Clark

Peter Carl Clark 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: 7244087
    Abstract: The present invention is directed to a system and a method to unload bulk powders from large bulk containers. The system and method are particularly useful for unloading bulk cohesive powders.
    Type: Grant
    Filed: August 8, 2005
    Date of Patent: July 17, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Catherine Marie Wilson, Timothy Allan Bell, John D. Connolly, Jr., Peter Carl Clark, Andrew P. Mitchell, James E. Mothersbaugh
  • Patent number: 7229242
    Abstract: The present invention is directed to a system and a method to unload bulk powders from large bulk containers. The system and method are particularly useful for unloading bulk cohesive powders.
    Type: Grant
    Filed: August 3, 2005
    Date of Patent: June 12, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Timothy Allan Bell, Peter Carl Clark, John D. Connolly, Jr., Catherine Marie Wilson, Andrew P. Mitchell, James E. Mothersbaugh
  • Publication number: 20040004091
    Abstract: The present invention is directed to a system and a method to unload bulk powders from large bulk containers. The system and method are particularly useful for unloading bulk cohesive powders.
    Type: Application
    Filed: June 20, 2003
    Publication date: January 8, 2004
    Inventors: Catherine Marie Wilson, Timothy Allan Bell, John D. Connolly, Peter Carl Clark
  • Patent number: 6558111
    Abstract: The present invention is directed to a system and a method to unload bulk powders from large bulk containers. The system and method are particularly useful for unloading bulk cohesive powders.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: May 6, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Catherine Marie Wilson, Timothy Allan Bell, John D. Connolly, Jr., Peter Carl Clark
  • Publication number: 20020119032
    Abstract: The present invention is directed to a system and a method to unload bulk powders from large bulk containers. The system and method are particularly useful for unloading bulk cohesive powders.
    Type: Application
    Filed: March 22, 2002
    Publication date: August 29, 2002
    Inventors: Catherine Marie Wilson, Timothy Allan Bell, John D. Connolly, Peter Carl Clark