Patents by Inventor Robert G. Crowell

Robert G. Crowell 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).

  • Dissolved air floatation with filter system
    Patent number: 8394278
    Abstract: A system for filtering organic molecules from an electrolyte solution, including a feed inlet line adapted to carry a solution with organic molecules, a filter vessel secured to the inlet line, and a pump adapted to introduce dissolved air into the solution in the feed inlet line. The filter vessel is a solvent extraction filter having coalescing media above a solution outlet at the bottom of the vessel and an organic vent outlet at the top of the vessel. The system operates by (a) dissolving air into the solution, (b) inputting the solution with dissolved air into the filter vessel, (c) outletting solution from the bottom vessel outlet to flow solution down through coalescing media, and (d) periodically venting floating organic molecules from the top of the vessel.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: March 12, 2013
    Assignee: Smith & Loveless, Inc.
    Inventor: Robert G. Crowell
  • Dissolved Air Floatation with Filter System
    Publication number: 20120168386
    Abstract: A system for filtering organic molecules from an electrolyte solution, including a feed inlet line adapted to carry a solution with organic molecules, a filter vessel secured to the inlet line, and a pump adapted to introduce dissolved air into the solution in the feed inlet line. The filter vessel is a solvent extraction filter having coalescing media above a solution outlet at the bottom of the vessel and an organic vent outlet at the top of the vessel. The system operates by (a) dissolving air into the solution, (b) inputting the solution with dissolved air into the filter vessel, (c) outletting solution from the bottom vessel outlet to flow solution down through coalescing media, and (d) periodically venting floating organic molecules from the top of the vessel.
    Type: Application
    Filed: March 12, 2012
    Publication date: July 5, 2012
    Inventor: Robert G. Crowell
  • Dissolved air floatation with filter system
    Patent number: 8133396
    Abstract: A system for filtering organic molecules from an electrolyte solution, including a feed inlet line adapted to carry a solution with organic molecules, a filter vessel secured to the inlet line, and a pump adapted to introduce dissolved air into the solution in the feed inlet line. The filter vessel is a solvent extraction filter having coalescing media above a solution outlet at the bottom of the vessel and an organic vent outlet at the top of the vessel. The system operates by (a) dissolving air into the solution, (b) inputting the solution with dissolved air into the filter vessel, (c) outletting solution from the bottom vessel outlet to flow solution down through coalescing media, and (d) periodically venting floating organic molecules from the top of the vessel.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: March 13, 2012
    Assignee: Smith & Loveless, Inc.
    Inventor: Robert G. Crowell
  • Dissolved air floatation with filter system
    Publication number: 20080169244
    Abstract: A system for filtering organic molecules from an electrolyte solution, including a feed inlet line adapted to carry a solution with organic molecules, a filter vessel secured to the inlet line, and a pump adapted to introduce dissolved air into the solution in the feed inlet line. The filter vessel is a solvent extraction filter having coalescing media above a solution outlet at the bottom of the vessel and an organic vent outlet at the top of the vessel. The system operates by (a) dissolving air into the solution, (b) inputting the solution with dissolved air into the filter vessel, (c) outletting solution from the bottom vessel outlet to flow solution down through coalescing media, and (d) periodically venting floating organic molecules from the top of the vessel.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 17, 2008
    Inventor: Robert G. Crowell