Patents by Inventor Randolph Lee Davidson

Randolph Lee Davidson 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).

  • Polypropylene container and process for making the same
    Patent number: 8158052
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and an intermediate layer directly adjacent the layer of polypropylene wherein at least one of the polypropylene and intermediate layers comprises an adhesive such as maleic anhydride incorporated therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: April 17, 2012
    Assignee: Ball Corporation
    Inventors: Guy Richards, A. B. M. Bazlur Rashid, Robert W. Knoll, Sahin Emre, Kevin James Curie, Randolph Lee Davidson
  • Polypropylene Container and Process for Making the Same
    Publication number: 20100044916
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and an intermediate layer directly adjacent the layer of polypropylene wherein at least one of the polypropylene and intermediate layers comprises an adhesive such as maleic anhydride incorporated therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Application
    Filed: October 28, 2009
    Publication date: February 25, 2010
    Applicant: Ball Corporation
    Inventors: Guy Richards, A.B.M. Bazlur Rashid, Robert W. Knoll, Sahin Emre, Kevin James Curie, Randolph Lee Davidson
  • Polypropylene container and process for making the same
    Patent number: 7651781
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and an intermediate layer directly adjacent the layer of polypropylene wherein at least one of the polypropylene and intermediate layers comprises an adhesive such as maleic anhydride incorporated therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: January 26, 2010
    Assignee: Ball Corporation
    Inventors: Guy Richards, A. B. M. Bazlur Rashid, Robert W. Knoll, Sahin Emre, Kevin James Curie, Randolph Lee Davidson
  • Stretch rod for a stretch blow molding machine
    Patent number: 7581942
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and an intermediate layer directly adjacent the layer of polypropylene wherein at least one of the polypropylene and intermediate layers comprises an adhesive such as maleic anhydride incorporated therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Grant
    Filed: January 11, 2008
    Date of Patent: September 1, 2009
    Assignee: Ball Corporation
    Inventors: Guy Richards, A. B. M. Bazlur Rashid, Robert W. Knoll, Sahin Emre, Kevin James Curie, Randolph Lee Davidson
  • Polypropylene container and process for making the same
    Publication number: 20080284063
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and an intermediate layer directly adjacent the layer of polypropylene wherein at least one of the polypropylene and intermediate layers comprises an adhesive such as maleic anhydride incorporated therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Application
    Filed: January 11, 2008
    Publication date: November 20, 2008
    Inventors: Guy Richards, A.B.M. Bazlur Rashid, Robert W. Knoll, Sahin Emre, Kevin James Curie, Randolph Lee Davidson
  • Transparent multilayer polypropylene container with barrier protection
    Patent number: 6677013
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and a layer of EVOH directly adjacent the layer of polypropylene wherein at least one of the polypropylene and EVOH layers comprises an adhesive such as maleic anhydride concentrate mixed therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: January 13, 2004
    Assignee: Pechiney Emballage Flexible Europe
    Inventors: Kevin James Curie, Randolph Lee Davidson, Sahin Emre
  • Transparent multilayer polypropylene container with barrier protection
    Publication number: 20040005475
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and a layer of EVOH directly adjacent the layer of polypropylene wherein at least one of the polypropylene and EVOH layers comprises an adhesive such as maleic anhydride concentrate mixed therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Application
    Filed: June 27, 2003
    Publication date: January 8, 2004
    Inventors: Kevin James Curie, Randolph Lee Davidson, Sahin Emre
  • Transparent multilayer polypropylene container with barrier protection
    Publication number: 20010038897
    Abstract: A multilayer plastic container comprises a layer of a polypropylene and a layer of EVOH directly adjacent the layer of polypropylene wherein at least one of the polypropylene and EVOH layers comprises an adhesive such as maleic anhydride concentrate mixed therein to adhere the layer of polypropylene to the layer of EVOH.
    Type: Application
    Filed: July 9, 2001
    Publication date: November 8, 2001
    Inventors: Kevin James Curie, Randolph Lee Davidson, Sahin Emre