Patents by Inventor Randal D. Stevenson

Randal D. Stevenson 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).

  • Patent number: 10098908
    Abstract: A method of treating or protecting a mammalian teat by applying a topical composition to the teat, wherein the topical conditioning composition comprises (a) citrate; (b) methylene blue; and (c) an alkyl para-hydroxybenzoate; as well as related methods and compositions.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: October 16, 2018
    Assignee: Zurex PharmAgra, Inc.
    Inventors: Carmine J. Durham, Michael C. Pawlak, Randal D. Stevenson
  • Patent number: 9986741
    Abstract: A surface treatment powder comprising (a) about 50 wt. % or more of a percarbonate, perphosphate, persulfate, peroxide or perborate salt; (b) about 0.2-10 wt. % of a chlorinated isocyanurate salt; and (c) a bleach activator, and method of using same to inhibit the growth of a microorganism on a surface.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: June 5, 2018
    Assignee: DeVere Company, Inc.
    Inventors: Randal D. Stevenson, Thomas J. Fahey
  • Publication number: 20160066580
    Abstract: A surface treatment powder comprising (a) about 50 wt. % or more of a percarbonate, perphosphate, persulfate, peroxide or perborate salt; (b) about 0.2-10 wt. % of a chlorinated isocyanurate salt; and (c) a bleach activator, and method of using same to inhibit the growth of a microorganism on a surface.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 10, 2016
    Inventors: Randal D. Stevenson, Thomas J. Fahey
  • Patent number: 9204655
    Abstract: A surface treatment powder comprising (a) about 50 wt. % or more of a percarbonate, perphosphate, persulfate, peroxide or perborate salt; (b) about 0.2-10 wt. % of a chlorinated isocyanurate salt; and (c) a bleach activator, and method of using same to inhibit the growth of a microorganism on a surface.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: December 8, 2015
    Assignee: DeVere Company, Inc.
    Inventors: Randal D. Stevenson, Thomas J. Fahey
  • Publication number: 20150250816
    Abstract: A method of treating or protecting a mammalian teat by applying a topical composition to the teat, wherein the topical conditioning composition comprises (a) citrate; (b) methylene blue; and (c) an alkyl para-hydroxybenzoate; as well as related methods and compositions.
    Type: Application
    Filed: May 22, 2015
    Publication date: September 10, 2015
    Inventors: Carmine J. Durham, Michael C. Pawlak, Randal D. Stevenson
  • Patent number: 9040023
    Abstract: A method of treating or protecting a mammalian teat by applying a topical composition to the teat, wherein the topical conditioning composition comprises (a) citrate; (b) methylene blue; and (c) an alkyl para-hydroxybenzoate; as well as related methods and compositions.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: May 26, 2015
    Assignee: Zurex PharmaAgra
    Inventors: Carmine J. Durham, Michael C. Pawlak, Randal D. Stevenson
  • Patent number: 8925493
    Abstract: The present invention is directed to methods for applying bovine foot and hoof treatment compositions having two or more specific and complimentary antimicrobial components in a hoof bath just prior to use to work more effectively. These antimicrobial components may include antimicrobial inorganic salts of certain heavy metals, cationic agents, peroxides, aldehydes, fatty acids, iodines or other suitable compounds effective in the killing of microorganisms.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: January 6, 2015
    Assignee: GEA Farm Technologies, Inc.
    Inventors: Kevin L. Torgerson, Robert L. Buck, Nathan Hedlund, Sue Mendell, Randal D. Stevenson, Charles D. Gradle, Alejandro O. Dee, Jeffrey S. Hanson, Glenn Gingrich
  • Publication number: 20130052342
    Abstract: A surface treatment powder comprising (a) about 50 wt. % or more of a percarbonate, perphosphate, persulfate, peroxide or perborate salt; (b) about 0.2-10 wt. % of a chlorinated isocyanurate salt; and (c) a bleach activator, and method of using same to inhibit the growth of a microorganism on a surface.
    Type: Application
    Filed: November 23, 2011
    Publication date: February 28, 2013
    Applicant: DeVere Company, Inc.
    Inventors: Randal D. Stevenson, Thomas J. Fahey
  • Publication number: 20120301407
    Abstract: A method of treating or protecting a mammalian teat by applying a topical composition to the teat, wherein the topical conditioning composition comprises (a) citrate; (b) methylene blue; and (c) an alkyl para-hydroxybenzoate; as well as related methods and compositions.
    Type: Application
    Filed: May 25, 2012
    Publication date: November 29, 2012
    Applicant: Zurex PharmAgra, Inc.
    Inventors: Carmine J. Durham, Michael C. Pawlak, Randal D. Stevenson
  • Publication number: 20120192805
    Abstract: The present invention is directed to methods for applying bovine foot and hoof treatment compositions having two or more specific and complimentary antimicrobial components in a hoof bath just prior to use to work more effectively. These antimicrobial components may include antimicrobial inorganic salts of certain heavy metals, cationic agents, peroxides, aldehydes, fatty acids, iodines or other suitable compounds effective in the killing of microorganisms. The invention also relates to a foot bath system for delivery, retention, and drainage of foot bath chemicals and waste material.
    Type: Application
    Filed: April 4, 2012
    Publication date: August 2, 2012
    Applicant: GEA FARM TECHNOLOGIES, INC.
    Inventors: Kevin L. Torgerson, Robert L. Buck, Nathan Hedlund, Sue Mendell, Randal D. Stevenson, Charles D. Gradle, Alejandro O. Dee, Jeffrey S. Hanson, Glenn Gingrich
  • Publication number: 20100218731
    Abstract: The present invention is directed to methods for applying bovine foot and hoof treatment compositions having two or more specific and complimentary antimicrobial components in a hoof bath just prior to use to work more effectively. These antimicrobial components may include antimicrobial inorganic salts of certain heavy metals, cationic agents, peroxides, aldehydes, fatty acids, iodines or other suitable compounds effective in the killing of microorganisms.
    Type: Application
    Filed: February 12, 2010
    Publication date: September 2, 2010
    Inventors: Kevin L. Torgerson, Robert L. Buck, Nathan Hedlund, Sue Mendell, Randal D. Stevenson, Charles D. Gradle, Alejandro O. Dee, Jeffrey S. Hanson, Glenn Gingrich
  • Patent number: 7661393
    Abstract: The present invention is directed to methods for applying bovine foot and hoof treatment compositions having two or more specific and complimentary antimicrobial components in a hoof bath just prior to use to work more effectively. These antimicrobial components may include antimicrobial inorganic salts of certain heavy metals, cationic agents, peroxides, aldehydes, fatty acids, iodines or other suitable compounds effective in the killing of microorganisms.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: February 16, 2010
    Assignee: GEA Farm Technologies, Inc.
    Inventors: Kevin L. Torgerson, Robert L. Buck, Nathan Hedlund, Sue Mendell, Randal D. Stevenson, Charles D. Gradle, Alejandro O. Dee, Jeffrey S. Hanson, Glenn Gingrich
  • Publication number: 20090283053
    Abstract: The present invention is directed to methods for applying bovine foot and hoof treatment compositions having two or more specific and complimentary antimicrobial components in a hoof bath just prior to use to work more effectively. These antimicrobial components may include antimicrobial inorganic salts of certain heavy metals, cationic agents, peroxides, aldehydes, fatty acids, iodines or other suitable compounds effective in the killing of microorganisms. The invention also relates to a foot bath system for delivery, retention, and drainage of foot bath chemicals and waste material.
    Type: Application
    Filed: December 14, 2006
    Publication date: November 19, 2009
    Inventors: Kevin L. Torgerson, Robert L. Buck, Nathan Hedlund, Sue Mendell, Randal D. Stevenson, Charles D. Gradle, Alejandro O. Dee, Jeffrey S. Hanson, Glenn Gingrich
  • Patent number: 7617798
    Abstract: An animal bedding mixture is disclosed herein. The animal bedding mixture includes a bedding material and a bedding material additive. Bedding material is preferably straw, sawdust, sand or recycled manure solids. The bedding material additive is preferably 60-99% by weight absorbent clay powder, 0.1 to 35% by weight chlorite salt, and 0.01-35% by weight sodium bisulfate or sodium percarbonate. The bedding material additive of the present disclosure is inert when dry and neither germicidal or acidic. However, when the additive is exposed to moisture, such as animal urine, the sodium bisulfate will acidify the liquid, causing the formation of hypochlorous acid and chlorine dioxide. Hypochlorous acid and chlorine dioxide are very powerful, broad spectrum germicides that have proven efficacy against E. coli, Staphylococcus aureus, and other micro-organisms commonly found in animal bedding.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: November 17, 2009
    Assignee: Technologies Holdings Corp.
    Inventor: Randal D. Stevenson
  • Publication number: 20090110754
    Abstract: A liquid biocide containing stabilized chlorine dioxide and hypochlorous acid for various uses, including use as a teat dip or dairy animals. The stable, prophylactic biocide consists essentially of 0.10-20.0% by weight of a chlorite salt, 0.1-3.0% by weight of an acid, 0.10-2.0% by weight of an alkaline agent, and the balance water. Chlorite salt reacts with the acid to form germicidal chlorine dioxide and hypochlorous acid. The acid constituency and the alkaline agent constituency regulate the pH of the solution such that the biocide is stable when mixed for a period greater than two months. The present disclosure also includes a method of producing a stable, prophylactic biocide for dairy cattle, the method comprising 0.10-20.0% by weight of a chlorite salt, 0.10-3.0% by weight of an acid, 0.10-2.0% by weight of an alkaline agent, and the balance water in a container, and sealing the container.
    Type: Application
    Filed: December 12, 2008
    Publication date: April 30, 2009
    Inventor: Randal D. Stevenson
  • Publication number: 20090090304
    Abstract: An animal bedding mixture is disclosed herein. The animal bedding mixture includes a bedding material and a bedding material additive. Bedding material is preferably straw, sawdust, sand or recycled manure solids. The bedding material additive is preferably 60-99% by weight absorbent clay powder, 0.1 to 35% by weight chlorite salt, and 0.01-35% by weight sodium bisulfate or sodium percarbonate. The bedding material additive of the present disclosure is inert when dry and neither germicidal or acidic. However, when the additive is exposed to moisture, such as animal urine, the sodium bisulfate will acidify the liquid, causing the formation of hypochlorous acid and chlorine dioxide. Hypochlorous acid and chlorine dioxide are very powerful, broad spectrum germicides that have proven efficacy against E. coli, Staphylococcus aureus, and other micro-organisms commonly found in animal bedding.
    Type: Application
    Filed: December 12, 2008
    Publication date: April 9, 2009
    Applicant: BOU-MATIC TECHNOLOGIES CORPORATION
    Inventor: Randal D. Stevenson
  • Publication number: 20080226748
    Abstract: A liquid biocide containing stabilized chlorine dioxide and hypochlorous acid for various uses, including use as a teat dip or dairy animals. The stable, prophylactic biocide consists essentially of 0.10-20.0% by weight of a chlorite salt, 0.1-3.0% by weight of an acid, 0.10-2.0% by weight of an alkaline agent, and the balance water. Chlorite salt reacts with the acid to form germicidal chlorine dioxide and hypochlorous acid. The acid constituency and the alkaline agent constituency regulate the pH of the solution such that the biocide is stable when mixed for a period greater than two months. The present disclosure also includes a method of producing a stable, prophylactic biocide for dairy cattle, the method comprising 0.10-20.0% by weight of a chlorite salt, 0.10-3.0% by weight of an acid, 0.10-2.0% by weight of an alkaline agent, and the balance water in a container, and sealing the container.
    Type: Application
    Filed: March 16, 2007
    Publication date: September 18, 2008
    Inventor: Randal D. Stevenson
  • Publication number: 20080098958
    Abstract: An animal bedding mixture is disclosed herein. The animal bedding mixture includes a bedding material and a bedding material additive. Bedding material is preferably straw, sawdust, sand or recycled manure solids. The bedding material additive is preferably 60-99% by weight absorbent clay powder, 0.1 to 35% by weight chlorite salt, and 0.01-35% by weight sodium bisulfate or sodium percarbonate. The bedding material additive of the present disclosure is inert when dry and neither germicidal or acidic. However, when the additive is exposed to moisture, such as animal urine, the sodium bisulfate will acidify the liquid, causing the formation of hypochlorous acid and chlorine dioxide. Hypochlorous acid and chlorine dioxide are very powerful, broad spectrum germicides that have proven efficacy against E. coli, Staphylococcus aureus, and other micro-organisms commonly found in animal bedding.
    Type: Application
    Filed: October 27, 2006
    Publication date: May 1, 2008
    Inventor: Randal D. Stevenson