Patents by Inventor Steven Drury

Steven Drury 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).

  • Method for mixing additives with sludge in a powered line blender
    Patent number: 7014775
    Abstract: A powered in-line blender for mixing additives to sludges or other flowable liquid/solid mixtures. The blender is particularly useful in a method of blending polymer to municipal sewage sludges to improve the dewatering characteristics, and thus improving total costs for dewatering, handling, and disposal.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: March 21, 2006
    Assignee: Sharpe Mixers, Inc.
    Inventors: Phil E. Sharpe, Jay G. Dinnison, Steven Drury
  • Method and apparatus for mixing additives with sludge in a powered line blender
    Publication number: 20050082232
    Abstract: A powered in-line blender for mixing additives to sludges or other flowable liquid/solid mixtures. The blender is particularly useful in a method of blending polymer to municipal sewage sludges to improve the dewatering characteristics, and thus improving total costs for dewatering, handling, and disposal.
    Type: Application
    Filed: August 20, 2004
    Publication date: April 21, 2005
    Inventors: Phil Sharpe, Jay Dinnison, Steven Drury
  • Method and apparatus for mixing additives with sludge in a powered line blender
    Patent number: 6808305
    Abstract: A powered in-line blender for mixing additives to sludges or other flowable liquid/solid mixtures. The blender is particularly useful in a method of blending polymer to municipal sewage sludges to improve the dewatering characteristics, and thus improving total costs for dewatering, handling, and disposal.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: October 26, 2004
    Assignee: Sharpe Mixers, Inc.
    Inventors: Phil E. Sharpe, Jay G. Dinnison, Steven Drury
  • Method and apparatus for mixing additives with sludge in a powered line blender
    Publication number: 20030178375
    Abstract: A powered in-line blender for mixing additives to sludges or other flowable liquid/solid mixtures. The blender is particularly useful in a method of blending polymer to municipal sewage sludges to improve the dewatering characteristics, and thus improving total costs for dewatering, handling, and disposal.
    Type: Application
    Filed: March 25, 2002
    Publication date: September 25, 2003
    Applicant: SHARPE MIXERS, INC.
    Inventors: Phil E. Sharpe, Jay G. Dinnison, Steven Drury