Patents Assigned to GranTek, Inc.
  • Method of making clumping cellulosic animal litter
    Patent number: 9301492
    Abstract: A method of making a clumping cellulosic animal litter with enhanced clumping rate and improved flushability when spent using cellulosic granules to about 1%-5% by weight of an inner coating of a polyacrylate is first applied and then to which about 1%-4% by weight based on the weight of the granules of an outer coating of guar gum and/or guar gum substitute is applied.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: April 5, 2016
    Assignee: KADANT GRANTEK INC.
    Inventors: Ricky L. Yoder, Robert V. Wiedenhaft
  • Horse Bedding System
    Publication number: 20110315088
    Abstract: A large animal bedding system in which a large animal stall having a floor is provided with a bedding layer of cellulosic granules distributed across the floor of the stall. The system may include a shovel having a blade and a screen in the blade where the screen has a plurality of holes to assist in removing animal waste and agglomerated granules from the bedding layer.
    Type: Application
    Filed: June 21, 2011
    Publication date: December 29, 2011
    Applicant: KADANT GRANTEK INC.
    Inventors: Ricky L. Yoder, Paul A. Dongieux, JR.
  • Method of making fertilizer combination products including fertilizer granules and cellulosic granules carrying pesticides and other active ingredients
    Patent number: 7867947
    Abstract: Method of making blends of fertilizer granules and highly absorbent cellulosic granules carrying one or more pesticidal or other active ingredients that resist the formation of actives dust or segregation of the granules and that ensure even and efficient application of both the fertilizer and the active ingredients.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: January 11, 2011
    Assignee: Kadant Grantek Inc.
    Inventors: Milenko Devic, Paul A. Dongieux, Jr.
  • Fertilizer combination products including fertilizer granules and cellulosic granules carrying pesticides and other active ingredients
    Patent number: 7635404
    Abstract: Blends of fertilizer granules and highly absorbent cellulosic granules carrying one or more pesticidal or other active ingredients that resist the formation of actives dust or segregation of the granules and that ensure even and efficient application of both the fertilizer and the active ingredients.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: December 22, 2009
    Assignee: Kadant GranTek Inc.
    Inventors: Milenko Devic, Paul A. Dongieux, Jr.
  • Agricultural carrier
    Patent number: 5843203
    Abstract: An improved agricultural carrier and a method of making the carrier is disclosed. The granular carrier is adapted for carrying a low-melting chemical, specifically pesticides. An aromatic solvent is used to dissolve the low-melting chemical, before combining it with the carrier. The granular carrier unexpectedly exceeds its liquid holding capacity for the low-melting chemical.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: December 1, 1998
    Assignee: GranTek, Inc.
    Inventors: A. David Lindsay, Barry A. Omilinsky