Patents by Inventor Wendell Ray Guffey

Wendell Ray Guffey 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).

  • Animal litters
    Patent number: 8733288
    Abstract: Animal litters and methods of making and using such litters are disclosed herein. The animal litters comprise (a) a plurality of absorbent particles comprising (i) a non-swelling particle and (ii) a clumping material coated on the non-swelling particle and (b) a plurality of one or more filler particles that are not associated with the absorbent particles. The filler particles provide additional functionality to the litters, e.g., controlling odor, absorbing moisture, releasing fragrance, controlling microorganisms, controlling dust, reducing density, reducing weight, and combinations thereof. The litters are made by producing the absorbent particles using conventional means and combining the absorbent particles with one or more filler particles that impart the desired characteristic to the litters.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: May 27, 2014
    Assignee: Nestec S.A.
    Inventors: Adam Winkleman, Igor Sokolik, Ying Tang, Wendell Ray Guffey, Yimin Zhang, Regina Pratt, Seth Johnson, Brian Mayers, Patrick Reust, Eric Keller
  • METHODS FOR DIAGNOSING IMPENDING JOINT FAILURE
    Publication number: 20130078732
    Abstract: The invention provides methods for diagnosing impending joint failure in an animal by measuring the concentration of phenylalanine in a body fluid; measuring the concentration of one or more of tyrosine, alanine, valine, and glutamine in the body fluid; determining the ratio of phenylalanine to one or more of tyrosine, alanine, valine, and glutamine; and diagnosing impending joint failure by comparing the ratio to ratios predicative of impending joint failure.
    Type: Application
    Filed: January 29, 2010
    Publication date: March 28, 2013
    Inventors: Wendell Ray Guffey, Dennis Lawler, Selena E. Richards
  • ANIMAL LITTERS
    Publication number: 20110253055
    Abstract: The invention provides animal litters and methods of making and using such litters. The animal litters comprise (a) a plurality of absorbent particles comprising (i) a non-swelling particle and (ii) a clumping material coated on the non-swelling particle and (b) a plurality of one or more filler particles that are not associated with the absorbent particles. The filler particles provide additional functionality to the litters, e.g., controlling odor, absorbing moisture, releasing fragrance, controlling microorganisms, controlling dust, reducing density, reducing weight, and combinations thereof. The litters are made by producing the absorbent particles using conventional means and combining the absorbent particles with one or more filler particles that impart the desired characteristic to the litters.
    Type: Application
    Filed: November 10, 2009
    Publication date: October 20, 2011
    Inventors: Ying Tang, Igor Sokolik, Adam Winkleman, Seth Johnson, Brian Mayers, Patrick Reust, Wendell Ray Guffey, Yimin Zhang, Regina Pratt